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Computer Virus and its types | What is VIRUS? | VIRUS is a Software or a program? - Computer Work 22

Computer Virus and its types | What is VIRUS? | VIRUS is a Software or a program? - Computer Work 22

Computer Virus and its types | What is VIRUS? | VIRUS is a Software or a program? - Computer Work 22

What is a Computer Virus?

A computer virus is a piece of code embedded in an official program and is made to replicate itself and infect other computer programs. Just like people get colds or flu, it can stay quiet inside the system and work if you do not expect it.

A computer virus is spread from one host to another and there are many ways for your computer to catch up. It can be through email attachments, file downloads, software installations, or unprotected links.

These viruses can steal your personal data such as passwords, log in to your social media accounts or online banking accounts, and delete all your data.

Common varieties of pc Viruses

Cybercriminal criminals are becoming higher and higher at stealing our confidential knowledge and also the viruses that area unit developing speedily. Their area unit countless viruses worldwide, however here area unit some common varieties you ought to bear in mind of:

1. A pestilence that infects files

A virus that attaches itself to associate degree OS. It’s additionally aforesaid to be a pestilence that always infects files with .exe or .nex extensions. Some file attackers could override the host files and a few could harm the information of your Winchester drive.

2. Macro Virus

This type of virus is usually found in programs like Microsoft Word or stand out. These viruses area units sometimes hold on as a part of a document and may unfold once the files area unit is transferred to alternative computers, sometimes via email attachment.

3. Browser Hijacker

This virus has redirected and changed your browser settings. it's usually brought up as a browser send virus as a result of it redirecting your browser to alternative malicious websites that you just don't have any intention of visiting. This virus will cause alternative threats like ever-changing your browser's default home page.

4. Net Scripting Virus

A deceptive virus that has targeted in-style websites. What this virus will do is take away the code from the website and install links that might install malicious software packages on your device. Net scripting viruses will steal your cookies associate degreed use the knowledge to send you credibleness to an infected web site.

5. Boot Sector virus

These viruses were once common once computers were started on floppy disks. Today, these viruses area units found unfold across virtual media like external onerous drives or USB. If a pc encompasses a boot sector virus, it mechanically uploads it to memory that permits it to require management of your pc.

 6. Polymorphic Virus

This virus has the ability to evade anti-virus programs as it can change codes every time an infected file is created.

7. Citizen virus

A permanent virus keeps itself in your computer's memory allowing you to infect files on your computer. This virus can disrupt your operating system leading to file and system corruption.

8. Divorce virus

A highly contagious and easily transmitted virus on your computer system. It can infect many parts of the system including memory, files, and boot sector making it difficult to contain.

Protection against These sorts of laptop Viruses

A virus left untreated will cause injury to your device however if detected early, and applicable steps are taken, then recovery can speed up. As a preventive life against infection, here are a couple of notes to stay in mind to assist keep your device safe.

     ·         Avoid clicking on suspicious links.
·         Scan the e-mail attachment before gap it.
·         Avoid clicking on pop-up ads and find a pop-up blocker for your application program.
·         If you're redirected to a different website, do nothing, and forthwith leave the location.
·         Install a reliable program and keep it up-to-date.

 


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