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HDG Explains : Do I Have a Virus? Here Are The Warning Signs

Posted on October 7, 2020 By blog_786 No Comments on HDG Explains : Do I Have a Virus? Here Are The Warning Signs

Anyone who has ever had a virus on a computer system knows how stressful it can be. It doesn’t matter if your security software is advanced or strong, there is a chance that viruses can overcome all its defenses and infect your computer.

Some of the most common symptoms of a possible virus infection of your computer include poor or slow performance, abnormal PC behavior, computer freezes, or application crashes. However, this is not always caused by viruses, it can be the result of other factors.

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

There is no one-size-fits-all reason why you would be able to pinpoint and say that this is the work of a virus on your computer until you scan it. Sometimes they cause problems and sometimes they behave well, but they still run in the background.

However, if you see all of the telltale signs and your gut makes you ask, “Do I have a virus?” We’re going to look at some of the major and minor signs to look out for and what to do. remove the virus from your computer; and take steps to prevent future attacks.

What is a computer virus?

A computer virus is malicious software that hijacks and uses codes of legitimate applications on your computer system to reproduce and distribute. It is deployed with the intent to take control of your computer and / or damage it.

Computer viruses share similarities with biological viruses in many ways, including how they are transmitted from one computer to another, and, among other things, are combined with other files or programs to run.

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Every day, a new virus is created to harm ordinary people like you, who browse the web from their computers, regardless of the dangers hidden in it.

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

Hackers and crooks have also become more cunning and cunning, cleverly disguising their threats, so that one click of the mouse can instantly make you a victim of a computer virus.

They just write the code of the virus and then test it to make sure it spreads properly before releasing it to wreak havoc on computer systems and other devices. They also design the attack phase, which can take many forms.

Some do it for the thrill to see it explode, others just want to brag, while others are willing to do it for the cold, the cash they can get when tricked into buying fake software or sharing with your personal data. information they use to steal your money.

How does a computer virus work

Just as the flu infects and multiplies in your body’s immune system, a computer virus infiltrates your machine and its programs. Such malware may be installed on your device without your consent or knowledge and may inject malicious code that can control and track your online activities.

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

As a rule, when infecting your computer, a virus acts as follows: a malicious application is launched at the user’s request, and the virus code is loaded into the memory of the computer’s central processor immediately before the legitimate code is executed.

As soon as this happens, the virus begins to spread, infecting programs and applications on your computer and introducing malicious code as much as possible.

Depending on whether the virus is on your computer or not, or it is a boot sector virus, it can inject malicious code into programs as they open, executable files, or into the boot sector of the system disk so that it runs before your operating system. fully loaded.

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

At this point, it will execute the virus code for which the creator created it, also known as the payload. It then scans your computer’s hard drive for all sorts of things, including keystrokes, bank details, or turns your computer into a DDoS weapon against others. An attacker can use it to encrypt your data and demand a ransom in exchange for restored access to your files and data.

In the days before the Internet, viruses spread through infected floppy or flash drives, but today they can spread over the Internet or from computer to computer via virus code. They can also be spread via email attachments, attachments, or downloads from an infected repository.

Warning signs of a virus on your computer

There are many different types of viruses that are classified differently based on their behavior, which means that some of them may fall into one or more categories. If you are firmly convinced that a virus might be on your computer, but you cannot tell for sure whether it has slipped through the protection of your security software, here are some warning signs that indicate a virus is present on your computer.

Slow computer

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

If your computer starts up slowly or runs programs, it is likely infected with a virus. There are several factors that can affect the performance of your computer, but the virus is most worried about because some types allow attackers to use its power for their own illegal purposes, such as mining cryptocurrencies or conducting a DDoS attack, all of which affect its performance.

Random or strange fan behavior

The fans in your computer help draw cool air in, forcing warm air into the computer case and speed up your performance during demanding tasks like gaming. However, if you notice strange fan behavior, it could be a sign of a virus infection, especially if the fans are spinning at maximum speed even when the computer is idle or it gets too hot.

Often Computer Crashes

This, combined with a blue screen of death, could indicate a virus or a problem with your computer. Determining the exact cause is not easy as it can sometimes be due to overheating, driver issues, hardware issues, or operating system errors.

Slow internet connection

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

This is often associated with viruses and malware that can intercept your connection and use your bandwidth for other activities. If you notice that you have a slow connection or unusually high network activity, there may be a virus on your computer. Sometimes, you may lose your connection altogether.

Weird browser extensions that you didn’t install

If you see new browser extensions that look strange and that you remember have never been installed, you may have a virus on your computer. Some extensions are legal and useful, but others may collect your personal information and sell it to third parties or put your system at risk.

Browser redirects

Redirects are common with viral infections, especially if you land on sites you didn’t intend to visit. These sites are usually infected with malware and are used as lairs to collect personal information from unsuspecting users or even induce them to download more malware. They are sometimes used to drive traffic to such sites, which in turn helps cybercriminals make more money from displaying ads.

Increase the frequency of pop-up ads on your screen

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

If you suddenly start seeing pop-up ads with different advertisements, or if your browser home page changes and performance becomes slower, your computer may be infected with a virus. Some unwanted programs usually come with adware that uses this feature to display unnecessary pop-ups in get-rich-quick schemes, weight loss schemes, and other fake virus alerts.

Abnormal social media account behavior

This is another common sign that you have a virus on your computer when your friends start receiving spam messages claiming to be from you. They may receive strange messages or comments from your account, which could be a sign that it has been hacked or your computer is infected.

Security software does not start or does not work properly

Your computer’s antivirus and security software helps protect it from new malware that appears every day. However, some strains can disable it and stop scanning or updating, which is a sure sign of viruses on your computer’s system.

If you notice that the antivirus on your computer is behaving differently than usual, or you receive warning messages that the system is not protected, you may be dealing with a virus.

How to remove viruses from your computer and prevent future infections

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

It is not easy to remove a virus from your computer, but you can use some or all of the solutions and measures listed below to clean your system and restore it to normal:

  1. Close unnecessary applications that are consuming resources and make your fans speed up. Check if they have returned to normal speed.
  2. Check for notifications from Windows Defender that your antivirus is disabled and check the suggested solutions. Restart your computer to re-enable antivirus software, which sometimes acts like an operating system. and software updates may affect its performance.
  3. Log out of all hacked accounts on your computer and other devices.
  4. Scan your computer for malware If you have Windows Defender installed and it does not flag files or programs with viruses, try using different antivirus programs as they each have their own virus signature databases. It’s also a good way to know more exactly what’s going on.
  5. Install an anti-phishing browser extension to prevent dangerous sites from loading when redirected. Remove any extensions that you did not originally install.

Other measures you can take to prevent future attacks include changing your passwords, enabling two-factor authentication, checking any of your downloads before they enter your system, and installing solid security software plus a good ad blocker for better browsing. –

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