How To Check That My Computer Is Virus Or Malware Infected

How To Check That My Computer Is Virus Or Malware Infected

How To Check That My Computer Is Virus Or Malware Infected
How To Check That My Computer Is Virus Or Malware Infected
How Can You Tell if Your Computer System is Infected With Virus And Malware? Let’s look at some signs that your computer system might have a virus and malware infection:

Running Your Computer Very Slower

The most common symptom of a malware infection is a slow running computer. Are your operating systems and programs taking a while to start up? Is your data bandwidth suspiciously slow? If so, your computer may potentially have a virus.

However, before you immediately assume your computer has a virus, you should check if there are other causes to your computer slowing down. Check if you were running out of RAM. For Windows, open task manager (Ctrl + Shift + Esc) and go to the Performance tab and check how many gigabytes of RAM you are using under the Memory section. For Mac OS users, you can open the Activity Monitor app and under System Memory, you should be able to find out your RAM usage.

Other causes of a slow system include a lack of space on your hard drive and damaged hardware. Once you have ruled out the other potential causes, then a virus may have infected your device.

Browser Redirects Everywhere On The Web

Frequently, rootkit malware will redirect your browser and send it on websites that you had no intention of visiting. It does this to help earn revenue for the criminals or black hat hackers who managed to get the malware installed on your computer.

The person who infected your computer is likely participating in a malware affiliate marketing program that pays cybercriminals to infect as many PCs as they can. Control over infected PCs is then sold on the black market. These infected computers are used for all kinds of different purposes,  from sending out SPAM, to performing Denial-of-Service attacks.

Pop-ups Are Popping Up Every Time

Usually, along with browser redirects, comes browser pop-ups. Some clever ones will avoid your web browser’s pop-up blocker. Again, the purpose of infecting your computer with this kind of malware is to earn the hacker money through advertising views / forced clickthroughs, etc

It is up All Hours of The Night

Malware and hackers never sleep. If your computer is showing network and/or disk activity in the middle of the night, and you do not have some known backup or maintenance process running, this may be a telltale sign of infection.

Your system may be under the control of a botnet collective and has likely been given its orders and is busy processing illicit tasks using your resources and bandwidth.

Strange Processes Are Running In Background Or Foreground

If you have opened up your OS task manager and you see some unfamiliar process eating a lot of resources, you may be infected. Google the process name that seems suspicious. It could be legitimate or it could be a process associated with a specific malware program.

Your Browser Has a New Homepage That You Did not Set

Has your web browser’s homepage suddenly been changed to something you did not authorize? Again, this is a sign that is hard to ignore and is likely a sign of either malware or intrusive adware. Consider resetting your browser to its default settings. This may remove the issue, but further action might also be needed.

Some System Tools Not Open

If basic tools, such as your disk defragmentation tool or other system maintenance and restore tools are unresponsive, malware may have uninstalled them or made them inaccessible in an attempt to prevent you from removing the malware. It is basically a malware self-preservation tactic and one that might make the lazy person give up and throw in the towel. You will need to take action in order to remedy this situation.

Websites Tell You That You Have Been Blacklisted

If websites that you visit are reporting to you that your IP address has been associated with computer hacking and has been blacklisted, you have likely been compromised by a botnet and your computer is victimizing other computers unbeknownst to you.

Isolate and quarantine your system immediately and read our article Help! I have Been Hacked! Now What? to see what you need to do next.

Antivirus is Not Working

Sometimes, malware will deliberately disable your antivirus software in order to protect itself. Consider investing in a second opinion malware scanner to help detect and defend against this kind of thing.

Blue screen of death (BSOD)

If your PC crashes regularly, it is usually either a technical problem with your system or malware infection. You might not have installed the latest drivers for your device or the programs you were running could possibly be incompatible with your hardware. If none of these problems are apparent in your PC then the virus could be conflicting with other programs causing your crashes.
To check what caused your last BSOD (Blue screen of death) to go to Control Panel> System and Security> Administrative Tools> Event Viewer and select Windows Logs. Those marked with an “error” are your recorded crashes. For troubleshooting solutions, consult forums or your IT department to figure out what to do next.

Programs opening and closing automatically

Malware can also be present when your programs are opening and closing automatically. However, do check if some programs are meant to behave this way or if they are simply incompatible to run with your hardware first before coming to the conclusion that your computer has a virus.

Lack of storage space

There are several types of malware that can manipulate the files saved on your computer. Most tend to fill up your hard drive with suspicious files. If you find any unknown programs that you have never installed before, do not open the application, search up the programs name over the Internet and use antivirus protections once you are certain that it is malware.

Pop-ups, websites, toolbars, and other unwanted programs

These are irritating signs that your computer has a virus. Pop-ups come from clicking on suspicious pages, answering survey questions to access the service of a website or installing free applications. Do not click on ads where Jane says she earned $8000 a month staying at home. When you get pop-ups appearing out of the blue, refrain from clicking anywhere on the pop-up page and just close out of the window and use your anti-malware tool immediately.

Equally, free applications allow you to download their service for free but the installation process can be riddled with malware. When you are installing a program from the Internet it is easy to just skim over the terms and conditions page and repeatedly press next. This is where they get you. In the process of skipping over certain installation steps, you might have agreed to accept a new default browser, opening unwanted websites and other programs filled with viruses. Just be cautious the next time you download something for free. It is best to try avoiding any of these practices when you can in order to protect your computer.

Fake Security Programs

If you start seeing threatening warnings from a mystery anti-virus product you have never installed, chances are this is Malware. The creation and distribution of malware is a very lucrative business. Naturally, to use this software, you will need to pay to “fix” your problems. Be wary of unrecognized applications or software that you have not downloaded. If in doubt Google is your friend, you won’t be the first to have been infected.

An Unknown App Sends Scary Warnings

Creating and distributing fake antivirus programs is a lucrative business. The perpetrators use drive-by downloads or other sneaky techniques to get the fake antivirus onto your system, then display scary warnings about made-up threats. Naturally, you have to register a payment before the fraudulent tool will "fix" the problem. And of course, scanning for malware with the fake AV is super-fast, since it is not actually doing anything.

You Get Ransom Demands

Some malware programs literally hold your PC or data for ransom. Overt ransomware threats may encrypt all your pictures and documents and demand that you pay to get them back. Others try to obscure what they are doing. For example, they may display a warning, purportedly from the FBI or another agency, stating that your computer was used to send spam or view porn, and demanding that you pay a fine before you are allowed to use it again. Of course, even if you do pay, you may not get your documents back. Antivirus apps and security suites should protect against most malware, but you can also double down on safety with dedicated ransomware protection software.

Sometimes There Are no Symptoms at All

Sometimes there are no symptoms at all, or if there are some they are very hard to detect. Again, the best defense is to keep your system patched and ensure that your antivirus software is up to date. As mentioned earlier, a second opinion scanner may help provide an additional line of defense that may catch malware that slips past your front line scanner.

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How To Check That My Computer Is Virus Or Malware Infected How To Check That My Computer Is Virus Or Malware Infected Reviewed by Redbuddy on January 25, 2019 Rating: 5

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