SECURITY EVANGELIST

Malware attacks affect us all.

The increasing number of Internet users worldwide creates an equal (or larger) number of opportunities for cyber criminals to take advantage of our systems. As we become more dependent on the online environment, we can clearly see a massive growth in malware and cyber criminal activities all across the globe.

Source: McAfee Labs Threats Report, April 2017

According to the McAfee Labs Threats Report of 2017, the number of malware has seen a decline during the past three quarters of 2016, a pattern that was also noticed at the beginning of 2015. However, the graphic clearly shows a massive growth in malware attacks and cyber criminal activities all across the globe.

With so many ways out there to access and exploit vulnerable systems, we need to make sure we’re able to recognize a malware infection in order to prevent and defend our systems. You need to know how to tell if you have malware!

Because it is a battle and you need to be ready.

This article will show you what the main symptoms of a malware infected system are. You’ll also learn to correctly evaluate the risk and know where to look for a solution. Let’s get to it!

Table of contents:

Symptoms of a malware infection

  1. Slowdown
  2. Pop-Ups
  3. Crashes
  4. Suspicious hard drive activity
  5. Running out of hard drive space
  6. Unusually high network activity
  7. New browser homepage, new toolbars and/or unwanted websites accessed without your input
  8. Unusual messages or programs that start automatically
  9. Your security solution is disabled
  10. Your friends tell you that they are getting strange messages from you
  11. New, unfamiliar icons on desktop + battery life drains quickly
  12. You see unusual error messages
  13. You are unable to access the Control Panel, Task Manager, Registry Editor or Command Prompt
  14. Everything seems to work perfectly normal
CHECK YOUR CYBER SECURITY HABITS
Has your computer suffered a malware infection lately?

Symptoms of a malware infection

1. SLOWDOWN

slow computer

Does it take longer than normal for your operating system to boot up?
Are you waiting too long for some of your programs to start?

It is a known fact that malware has the tendency to slow down your operating system, your Internet speed or the speed of your applications.

If you notice something like this and you’re not using any resource-heavy program or application, check for other causes first. It may be a lack of RAM memory, a fragmented system, a lack of space on your hard drive or maybe a hardware issue affecting your drive. These 10 tips will come in handy when evaluating such problems.

If you have already thoroughly verified these possible causes and all seems fine, you can start considering a potential malware infection.

2. POP-UPS

pop-ups

One of the most annoying signs of malware is represented by the unwanted pop-up windows. Unexpected pop-ups which appear on the system are a typical sign of a spyware infection.

In this particular case, the main issue is created not only by the numerous pop-up windows that affect your Internet navigation, but also because it is quite difficult to remove them from the system.

Pop-ups are not only annoying, but they usually come bundled with other concealed malware threats, and which could be far more destructive for our systems.

To avoid spyware and its impact on our systems, keep in mind a few security practices:

  • don’t click any suspicious pop-up windows
  • don’t answer unsolicited emails/messages
  • be careful when downloading free applications

To remove this type of threat, you need a very good security product against spyware. A few popular products capable of removing spyware from your system are Malwarebytes, Spybot Search and Destroy, Lavasoft’s Ad-Aware and others. This guide can help you get rid of this pesky problem.

3. CRASHES

crashing

If your programs or your system crash constantly or the infamous BSOD (Blue Screen of Death) appears regularly, it’s a clear warning that your system is not working properly and you should look into it.

There are two things that can cause this type of issues:

  1. You could be dealing with a technical issue caused by a potential incompatibility between your software and/or hardware
  2. Or it may be a malware issue.

If you suspect a technical issue, multiple software problems may lead to this.

Are you running various programs which may conflict with each other? Are there any orphaned registry keys which have not been removed that could down and eventually crash your system?

Orphaned registry keys are pieces of data information that have been left behind during the process of uninstalling several programs from your computer. They don’t only take up unnecessary space on the PC, but can represent a serious liability for the proper functionality of your computer. To clear them, you have the option of using the Registry Editor (Regedit.exe) that can be opened in the search bar of Windows and then selecting the run command. The daunting part of this process is the fact that you have to manually remove these orphaned keys and this can be very tedious work for everybody.

Our recommendation is to run an automated cleaning session with the help of a specialized program such as CC Cleaner which is free. This will automatically scan missed and unused keys while also having the option to backup the data before the actual cleaning. After installing CCleaner, click the Registry icon (see the image below), select the items you want to remove, click on Scan for issues and a list of potential issues will be generated. Once the scan process is finished, you can review the list and click on Fix selected issues to solve the outstanding Registry issues. You will be asked to backup changes.

If you are checking for malware, simply run a complete scan on the system with a good antivirus product. It is important to have a reliable security solution on your system, which should include real-time scanning, automatic update and a firewall.

To find the best solution, check the antivirus test results run by big company names in the security industry, such as AV Comparatives, PC Magazine, AV-TEST or Virus Bulletin and select the best antivirus solution for your system.

4. SUSPICIOUS HARD DRIVE ACTIVITY

Another warning sign of a potential malware infection on your system is the hard drive activity. If you notice that your disk continues to exhibit excessive activity even when you don’t use it and there is no program or download running at that moment, this could be the right time to check your system for malware.

We have to mention that another possible cause for the abnormal hard disk activity could be a hardware failure of the disk. You should also take this into consideration.

We should mention that it helps checking what programs and processes are constantly accessing your hard drive, so you can easily detect unusual activity.  This article shows 5 ways to keep an eye on those programs accessing your drives.

5. RUNNING OUT OF HARD DRIVE SPACE

 

low disk space

Regarding the hard drive, you also need to check if your physical storage space has been increasing lately or if some of your files disappeared or changed their names.

This is another sign of malware activity, since there are numerous types of malicious programs which use various methods to fill up all the available space in the hard drive and cause it to crash.

6. UNUSUALLY HIGH NETWORK ACTIVITY

Source: Flikr.com

There are cases where the user is not connected to the Internet through his browser, and there is no program that may connect to online servers to download or upload any data, but high network activity can still be observed.

First of all, we need to check the following:

  •  Is there any Windows update at that moment?
  •  Is there any program or application that’s downloading or uploading any data?
  •  Is there any update for a certain app running at that moment?
  •  Is there a large download that you started and forgot about, which may still be running in the background?

If the answer to all these questions is No, then maybe you should check where all that traffic is going.

  • To check for a malware infection, use a good antivirus product to check your system. If you want to minimize the risk of infecting your computer system with malware, you can use one of these useful security measures.
  • If you suspect that your computer has been infected by a dangerous financial malware, you need a specialized security suite designed to address these type of threats.

7. NEW BROWSER HOMEPAGE, NEW TOOLBARS and/or UNWANTED WEBSITES ACCESSED WITHOUT YOUR INPUT

Have you noticed that your home page has been changed and you don’t remember doing it yourself?
Did a new toolbar pop out of nowhere and landed at top of your web browser?
Have you tried to access your favorite blog, but you were redirected to a different address?

toolbarsThis usually happens when you visit a website and you accidentally click a link or a pop-up window. This triggers unwanted software to download and install on your device. Its effects are not only annoying, but also malicious.

Run a complete scan with your security solution as soon as possible. Because these type of threats don’t go away easily. Make sure you run additional scans with specialized software, such as anti-spyware programs as the ones mentioned above.

8. UNUSUAL MESSAGES OR PROGRAMS THAT START AUTOMATICALLY

A few warning signs should really make you suspicious. If any of these happen, pay closer attention and try finding the cause:

  • if, all of a sudden, you see programs opening and closing automatically
  • your Windows operating system shutting down without reason
  • if you notice strange windows in the booting process
  • or if Windows informs you that you’ve lost access to some of your drives.

Though the root cause may be a technical one, it could also be a sign that malware has compromised your system. If this is the case and you lost access to some important areas of your operating system, you need to prepare for the worst. These are the cases when a complete wipe and reinstall of the operating system is taken into consideration.

9. YOUR SECURITY SOLUTION IS DISABLED

If your antivirus solution doesn’t seem to work anymore or if the Update module seems to be disabled, then check to see what happened immediately!

You should know that some types of malware are especially designed to disable security solutions, leaving you without any defense. If you already tried to reboot your computer, close and open the security solution and all your troubleshooting efforts were useless, you could consider the malware infection scenario.

This is especially the case since traditional antivirus solutions are sometimes unable to block and remove advanced malware, such as ransomware or financial malware. There are a couple of strong reasons why this is happening, and you should read about them, so you can enhance your protection by adding multiple layers.

For a more in-depth guide on how to remove all types of malware, not just spyware and adware, we recommend you check out our malware removal guide.

10. YOUR FRIENDS TELL YOU THAT THEY’RE GETTING STRANGE MESSAGES FROM YOU

Are your friends telling you that they received suspicious emails from you or instant messages from your social media account, which often include attachments or links?

facebook-virus-cycle

Source: Malware spread via Facebook chat

First of all, you need to verify whether those emails or messages were sent from one of your accounts (so check your Sent Items folder in your email/social media account). If there’s nothing there, those messages could have been delivered from an application which is out of your control.

If you discover the messages were sent from one of your accounts, take these steps:

  • Make sure you logged out from all your accounts. We access the same accounts on our work computers, on our home laptops and of course, on our mobile devices. Since we log in to our favorite online accounts on so many devices, it can happen that sometimes we forget to log out. Therefore, always make sure to log out from your online accounts on all devices.
  • Set strong passwords for your accounts. Don’t use the same password for all your accounts! Even if you are hacked, having different passwords for each account will help you limit a potential loss. Make a habit of managing your passwords safely.
  • Use two-factor authentication. This option can significantly increase your control over your accounts’ security. Using two-factor authentication means that, besides entering your credentials, you will also need to enter a code sent to your phone.

11. NEW, UNFAMILIAR ICONS ON DESKTOP + BATTERY LIFE DRAINS QUICKLY

If you are noticing unknown and new icons on the desktop of your computer, you may have downloaded a piece of software that contains PUPs (Potentially Unwanted Programs). Also known as PUAs (Potentially Unwanted Applications), these are software programs that you most likely didn’t want to install on your computer.

They are considered to be malware and can do a lot a damage by collecting private information, showing annoying ads or pop-ups on the desktop or adding toolbars on your browser. If infected with PUPs, you can use this useful guide to remove them from Windows.

Did your cellphone’s battery life is draining fast? You may have lots of applications and program running, such as games or streaming services, or, the worst scenario, it could be a virus infection affecting your device. This mainly happened because most of the devices didn’t receive the latest system updates, making them vulnerable to cyber attacks. Read this article to find out how mobile malware has evolved in 2016.

12. YOU SEE UNUSUAL ERROR MESSAGES

If you see unusual error messages saying that you have missing or corrupt files folders on your computer, it could be a warning sign that is infected with malware. These type of messages can suggest your PC has been compromised and affect its system performance, making the apps and programs run slowly. Pay attention to these errors, run an antivirus program and make sure your operating system is up to date.

13. YOU ARE UNABLE TO ACCESS THE CONTROL PANEL, TASK MANAGER, REGISTRY EDITOR OR COMMAND PROMPT

Do you find yourself in the situation when you can’t access the Control Panel, Task Manager, Registry Editor or Command Prompt? This is another sign that your computer is vulnerable and exposed to potential cyber attacks. To keep your PC safe and protected, it’s recommended to run a full scan of your system using a good antivirus program. For more protection, we warmly suggest using a proactive security solution to keep your confidential information properly safe.

14. EVERYTHING SEEMS TO WORK PERFECTLY NORMAL

When it comes to keeping your data safe and secure, you need to be vigilant and careful, even if things might look normal. Unfortunately, there are some cases when different types of malware can hide their activity, leave no visible marks and still infect your computer. Everything may seem to work perfectly normal on your PC, until a bot on your system could silently await for instructions from ITS control and command system, accessing and collecting your personal information.

Knowledge is our best weapon

Knowing how malicious software behaves on a regular system may just prove to be the key element between staying safe and having your system wrecked or your online identity stolen.

Since we live in a connected and complex environment, online security doesn’t end with installing a series of security programs and forgetting about them. It’s essential that we also understand how malware behaves on the system, so we can mitigate its impact.

In the end, it is our knowledge of malware tools and methods that keeps us safe, because it is far easier to prevent a threat from becoming reality than to take actions against it when it’s already too late.

This article was initially published in May 2016 and it was republished in July 2017.

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Comments

I run my laptop without battery, but its too slow now,i cant work on it. any solution for this?

I was in doubt if there is any virus in my windows desktop, but later i realized after these steps i had no antivirus. Thank you for the guide.

My laptops keyboard is misbehaving sometimes.Sometimes mouse pointer is not working or sometimes some keys are not working. I have an antivirus software but i haven’t update its database. Its license is not expired. what should i do?

If you think, It is causing issue due to antivirus then i would like to suggest you that as it is expired now so remove it completely from the system and reboot the machine once. Then see what is the response. If issue persist still then get it checked by new keyword it may be the issue of keyboard. If issue is persist still then reinstall the operating system changed and enjoy hassle free laptop performance.

Very Nice Post..Thanks for Sharing..Nowadays in this modern world, laptops or PCs are playing a major role. One should keep it safe and secure via clearing its issues and defects. Your post will help a lot.

Well Said and Written by Lenovo Laptop Service Center Team.. Everyone should be aware about malfunction and too much virus attack in the world. We are also professional in the IT Industry and have found too many customer suffering from infected malware. All credit goes to heimdalsecurity.com team to share such a valuable information for us.

Great article! Very helpful. I have clear info about viruses now 😉

Many thanks for your feedback!

Very important information, thank you very much for the post!!

Interesting read – Malicious Malware – And Its Many Forms

Robert Wrightson on July 13, 2017 at 1:28 am

I suspect a person I know affected my mac with malware, it is slow and I have incessant pop ups. I have a pending criminal petition against this person but need evidence that he has hacked my computer, is it possible to find evidence of that on my mac? Thank you.

What to do with all those cyber muggers? My email got blocked by one of such (My Faster PC) and they asked me for $200 to fix the problem. Is anything the FBI can do to fix those con jerks?

Contact Federal Trade Commission at 1-877-FTC-HELP. I too, was a recent victim.

How we can find the virus such as ransomware or financial malware in our computer, what are signs we must aware of?

do we need some other kind of antivirus to rip off from these viruses? if yes how much Heimdal gives security for these?

Good Article
keep it up
good to share for society,
Regards

Hey Andra, Yday when i was browsing some genuine site, my laptop gives pop-up that malware detected. I updated default anti-virus system, what should i look more for? Hope my system is secure. Thank in advance.

Hi John! I’d recommend you use this guide to look into the issue more thoroughly: https://heimdalsecurity.com/blog/malware-removal/

sharanya patane on May 7, 2017 at 8:53 am

my connection is not secured my default home page has changed automatically i dont have access to select my homepage even youtube is not working

Mam/Sir, I would like to know Is there any powerful Total Security which is more effective than Malwarebyte to remove malwares and also my chrome browser keep showing these search engines “initialsite123” and “launchpad.org” and it’s so annoying, please help me how to remove these viruses??

Thank you!

hi i have a qustion my pc is keeps ruuning a scan disk then when i type in a explorer window i type in a web broswer and it reboots
also when i type something it goes to the next window without me pressing next
any help would be helpful

You can try this guide and see if you find anything malicious on your PC: https://heimdalsecurity.com/blog/malware-removal/

my home computer is really slow but we have really good internet.

Hi, I have a problem that I just cant find the solution to. My laptop is always connected to the WI-Fi. I have an antivirus program enabled. What happens is that even when I am not on the browser (like preparing a report in excel), even then my antivirus shows messages like “We have blocked this website for your safety”. And the trend is that most of those sites blocked are wordpress blogs that are probably spam. Just today, those sites turned into pornographic sites(and I might add ashamedly that the sites it tried accessing corresponding to my interests in that dirty field). It seems like my system is trying to access these sites in the background while also getting information and usage patterns on me and the antivirus is constantly blocking it. I have run two full scans, one in safe mode, one normally. Both times the scan showed no threats. Pls advise me what to do.

It seems like you could greatly benefit from what Heimdal PRO can do in terms of traffic filtering (which is more than the web traffic filtering in most AV products). But if you’d rather try another option, I’d recommend you try this guide and see if you find anything malicious on your PC: https://heimdalsecurity.com/blog/malware-removal/

I want to be a security system expert which course is best for me?

HAHAHAHAHA I DON’T HAVE A EVIL THING THEY CALL UMMM A VIRUS HAHAHAHAHAHAHAHAHA MY FRIEND TOLDS MEH *no hate loves ya lots*

chantel williamson on March 15, 2017 at 11:11 pm

my computer is freezing like when you log on the mouse is stock and the websites wont open

Hi Chantel,

Sorry to hear that, but we don’t provide malware removal support. You can use this guide to start cleaning up your PC: https://heimdalsecurity.com/blog/malware-removal/

SO ANNOYING I GOT HACKED

what if having immediately off while using your loptop? what the problem of this?

Found this while searching for a solution… but my issue is not on here. For the past week or so, every time we get on a search engine (we have google chrome, firefox and microsoft edge) (on a three-month old PC) it works at first, and then stops working…ALL of them! I ran free versions of malwarebytes…nothing, and superantispyware …cookies. I looked at programs in the control panel…nothing unusual popped up. When I restart the computer, I am able to get on the search engines. Using another device, I looked up possible solution, and for google chrome, it said to clear browsing history. I did, and that seems to have helped (I am on this site now!). I will try the same with the other search engines. But it seems that there should be something I need to clear off the computer. Any ideas?

Hello there! What I would do is also run a cleaning session with CCleaner. Maybe that can help.

You should try Google Cleanup Tool if you are still experiencing issues. URL: https://www.google.com/chrome/cleanup-tool/
Also, check on the extensions in each browser as you may potentially have adware such as unwanted toolbars. The Google Cleanup tool will scan your browser for known programs and will reset your browser “This will reset your startup page, new tab page, search engine, and pinned tabs. It will also disable all extensions and clear temporary data like cookies. Your bookmarks, history and saved passwords will not be cleared.”

You can also give Norton power Eraser a try, here is the URL: https://security.symantec.com/nbrt/npe.aspx
When you use Norton Power Eraser, scan for unwanted applications then scan for risks. Save all of your files as you will be required to restart your computer for a rootkit scan. Do not go into the advanced settings unless you are considered an advanced user or a technician.

Hopefully, I helped in some way.

Great advice. I am going to share it with my students.

This is a good list. Some of these problems took me back a while. That IE toolbar picture is crazy haha. I think one of the most common one’s I see is the browser homepage being changed.

Another thing that catches a lot of people is the “Malware” that they install when installing another program. Spamming the next button can get you into trouble if one of those next buttons has a checked box that makes you agree to install something else. These have got me a couple times before as well.

I think we all fell for these at some point, just like you said, Dave. I’m glad you enjoyed the article and thanks for taking the time to share your thoughts!

Hi,my phone crashes on an app does that mean I have a virus also it says I have a virus and tells me to click on it do i

My phone has same issue, and other than that, my PC too gets hang up after 5 min usage. don’t know if both device are having virus attack.

Hi Andra. I have a quick question. If a pop-up appears on screen that says you are currently being hacked, should I trust those pop-ups if they aren’t from my anti-virus software? Thanks!

hi, in all my browsers( Mozilla, Google Chrome, Internet explorer) when i try to open “www.google.com” or “www.gmail.com ” it gives me an error stating that ” your connection is not secure” pleases pleases help me to fix this, idont know what to do.

Hi there! Unfortunately, we can’t help with specific issues. Please verify your software and hardware for issues.

Are you currently a student using an account created by the school or your network administrator? (You may be the administrator) If so, log out of that account or start browsing in guest mode. That way, you can browse whatever you want. The same thing happened to a friend of mine. Oh, and another fix, do you currently see, or have. SafeMode enabled anywhere? If so, disable it. If there is no option to disable it, contact your network administrator or provider. Hope this helped!

I have a problem with my PC. I tried to download something and now something called arcing pops up and says it has stopped working. What should I do. I have a HP windows 10 laptop

Hi Alexander! We don’t provide assistance for malware infections for individual users, but you can certainly find help here: https://heimdalsecurity.com//blog/best-internet-malware-forums/. It seems that you’re infected with adware: https://heimdalsecurity.com/glossary/adware

I’m using McAfee and Heimdal on my HP Laptop. My internet connection is 3G & have some speed problem. So patches are not updated many times. Should I need some more security software? Please suggest.

Hi there! I think that your internet provider may be the cause here. However, you can always send us an email at support@heimdalsecurity.com if you think we can help.

The disk continues to exhibit excessive activity even when you don’t use it…
I scanned with Malwarebytes Anti-Malware (updated) but the Heuristic Search
didint seek anything… anysuggestion?

Many things could cause this behavior, Roy, not only malware. It really depends on the hardware and software you use. Maybe someone from these forums can help: https://heimdalsecurity.com//blog/best-internet-malware-forums/

Can a malware still don’t show these signs and lurk in the system?

Can you please help to suggest any best antivirus for my dell laptop ?

We actually have a guide dedicated to just that: https://heimdalsecurity.com//blog/what-is-the-best-antivirus/

Thank You Andra Zaharia For Refer this url https://heimdalsecurity.com//blog/what-is-the-best-antivirus/ To Mr. Ranjeet Singh, I also went through it and found that… mcafee antivirus is the best no doubt its quality and another one i was suggested by Laptop Repair Home Service . I m having nice experience by using Quick Total Security as well.

Can someone please help? I was on my laptop looking at a website and all of a sudden this thing popped up and it said: Your laptop has been hacked and blah blah blah and I don’t remeber the rest and I don’t know if it’s real or not. Please help.

So sorry to hear about your issues, Leen. I can’t tell by the details, but I’m sure you can find help on any of these great forums: https://heimdalsecurity.com//blog/best-internet-malware-forums/

Most of those are scams designed to make you call a number in India to some boilerroom where they try and get you to give them access to your computer online, where they steal all of your personal information. I get these all the time—don’t ever call the phone number that they give you—it’s a scam.

how about Bug they keep showing up when i press a app

I can’t open some website, it said “What can I do to prevent this in the future?

If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.”

my computer suddenly gets distorted example the time in the right appears on the left behind the widows start menu and when my mouse rolls over icons they change pictures to other icons what is that whats wrong with my computer is it really because i didn’t upgrade to win10 and then reformatted my computer after all support for win7 stopped?? OMG I’m going nuts I reformatted my computer 5 times now.

Sorry, Teeri, but this looks like a problem you’ll have to contact Microsoft about (at first). Maybe you can use one of these forums to find help: https://heimdalsecurity.com//blog/best-internet-malware-forums/

hii.. i am using windows 8 ,sometimes it works so slow to loading the web page on internet and it also show with “Mozilla Firefox not responding”….what i do..please give any opinion on it,,your cute boy_ vicky

Hey i just bought a new gaming pc it has good ram and stuff but i installed a program that was claimed to be safe after using it i get a low framerate in games and my pc got too slow how it used to be ! i tried ti install Avast but it gives an error that file was corrupt or it was banned to be installed in my pc ! please help 😀

really good post! Now i have a clear idea about viruses.

Can adware affect my bank account

No, but it can pave the way for other malware to infect your PC. Read more here: https://heimdalsecurity.com/glossary/adware

mine keeps opening random tabs

Is computer malwares or virus can affect ups or other hardware attached?

Yes, it can, especially ransomware.

my computer keeps clicking randomly………

hai, i am using avast anti virus and it is updated monthly. does avast antivirus scans or identifies spyware ? and by using internet download manager ie , after the trail version of idm completed , i have installed the free trail version of idm by seeing tricks in the youtube ,by changing the existing trail version data in the windows run file.this type of shortcuts will harm the system ?

i brought a new pc,and now the antivirus shows me it has expired.
my sytem has been also slowed down ,it takes long time for the windows to boot.
and recently when i downloaded office 2016 from the net the sytem showed malware detected and asked me to restart the system.
i have got mccafee antivirus in my system
what should i do.
can u help me to figure out this problem?

We do not offer this kind of assistance, but maybe you can get some help here: https://heimdalsecurity.com/blog/best-internet-malware-forums/

hi we have a net cafe and we have 5.5mbps internet connection then suddenly we experience low internet connections yesterday i conducted a speedtest we found out that our internet subscriber give only 1.22 mbps so we call thier attention thier technician arrive and test everything when they use their device a laptop the connection is fine its 5.5mbps but when our computer its only 1.22mbps they said that maybe some of our computer have virus they said thats the reason why whe have slow internet connection?is that possible? what would i do?we have 11 computers here…pls help me…..

We do not offer this kind of assistance, but maybe you can get some help here: https://heimdalsecurity.com/blog/best-internet-malware-forums/

How to upgrade my HCL laptop RAM supporting DDR2 to DDR4 is it possible ?

You can’t, as DDR2 and DDR4 have completely different designs. The DDR4 RAM will not physically fit the socket, and if it does, it won’t work effectively.
Also what does this have to do with malware xD

when i open google or any sites on any browser .my antivirus shows a malware is blocked but my computer is very fast no pop-up messages are displaced .Is there anyone who can help me

Thank you for this information about knowing if a computer is infected or not. It is good to know that slow downs are a warning sign to pay attention to. This would be a problem because it could end up influencing the hard drive. Something to consider would be to seek professional help as soon as a problem is suspected.

Thrilled we could help, Jade! I hope you never have to deal with such an issue.

i got better solution to this all problem run them first in the virtual machine and leave it, in couple of minutes if strange happening to VM. or an annnoying pop-up to your screen, or system fails thats it its a malware.

Interesting. I have tried some scanning tools but most of them give you more malware. Do you know of any safe scanning software?

I will double check this symptoms in my PC. Ive experienced irregularities lately. Aside from ESET Antivirus, what other AV softwares can you suggest?

These are really helpful tips. Thanks for sharing. Most of these things were happened to me before. Then a friend recommends me to use ESET Antivirus and since then, none of these things are happening to my system anymore.

I was already familiar with all warning sings on the list, except #6 UNUSUALLY HIGH NETWORK ACTIVITY. I will be trying Glasswire now.

Patricia LongIsland on July 29, 2016 at 10:30 pm

I have a very unusual problem. There is one and only one website that I sometimes access where my letter U does not work at all. I try to leave a message or make comments and everywhere a letter U should be, there is nothing, not even a space. It’s like I just misspelled a word. Therefore, any message or comment I try to leave does not make sense. I have absolutely no other problems with my computer. Do you have any suggestions? Also, I use Google Chrome for Internet access. Thank you.

Hi Patricia,

This sounds very strange indeed. I couldn’t tell if it’s a hardware or a software problem, so I recommend you ask someone to take a look at it, because we don’t offer tech support and it’s difficult to offer specific advice from afar.

Best of luck!

I have had the very same issue mentioned above.. although it seems to have now gone away.. it was with Facebook messenger.. most frustrating as you can’t even type a Capital U to around the issue.

I believe it’s was Facebook but have been Viber ?

I have a problem before with malware. Usually when your computer is infected by it you will notice that your computer starts to slow. One way to address the problem is update your antivirus software and run a scan to rule out the problem. If you have time please check out Computer Repairs Adelaide

Marhasak DM Manurung on June 10, 2016 at 3:12 pm

when I connect my laptop to internet, everything on my computer are running slow. can you help me how to fix it?

Hi there,

Unfortunately, we don’t offer technical support. Please contact a company that provides this kind of services.

many possible why your PC so slow,one of that too many background process please your task manager what kind of apps eating your ram,processor, and hard disk space.
and terminate it,
if your PC, an regular apps become hungry of process power and ram sucker this the sign your PC infected of a malware, you run an anti-malware like malwarebytes

Glad I didnt have any of these things happening to my PC right now. I am using ESET Antivirus and im glad that my PC is still protected.

How funny to run into a Romanian. I am a Romanian myself and I was researching an issue that I have with comments. Since a few days ago when I try to submit a comment on a blog, the computer is warning me that I am sending it on a form that is not secure. I have no idea what that means. Should I not send it? Does my computer have malware?

Hi Anda! So nice to have you here!
That sounds strange indeed. Our blog uses HTTPS, so the data you send us is encrypted for safety. Have you experienced this with other blogs as well?

Hi Anda,

Sorry that I only saw your comment now.

Our website is protected with SSL. Do you still have this issue? If so, we’ll look into it to make sure everything is in order.

Both Disqus and the Heimdal blog are safe to use, so maybe it was a temporary issue.

Thank you for your feedback!

and also check your internet connection, some problem laid to the internet provider

funny how I ran into a Romanian author 😀

Updating operating system may improve the reliability speed and security of our computer. It is essential to improve and update your operating system from time to time. Latest version of OS allows you to do the updating automatically although may take a bit of time but it worth the effort.

Thank you, very useful article.
My Laptop got slow when i uses any browser can you tell me what to do.

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