A computer virus is quite similar to a flu virus that is designed in a way so that it can spread from one host to another. It also can replicate itself. The flu virus will not be able to reproduce without a host cell similarly even the computer virus cannot reproduce ad spread without programming such as a document or a file.

This is how a computer virus attacks

Once you attach the virus to the program, document, or file successfully, the virus will lie dormant until circumstances force the device or the computer to execute the code. If you want the virus to infect the device or the computer, you will have to run the infected program on the device, and that in turn causes the virus code to get executed. If you mcafee activate, then it will help you to remove the virus.

Most common types of viruses

If you are interested to know about the most common types of viruses, then you can go through the points mentioned below:

  1. Resident Virus

The resident viruses set up shops in the RAM and meddle with the operations of your systems. These are so sneaky that there is also a chance to attach themselves to the anti-virus software files.

  1. Multipartite Virus

This virus infects the entire system and it spreads by performing certain unauthorized actions on the operating system, folders, and the programs.

  1. Direct Action

This is a type of virus that only attacks a few specific file types. These are the most common executable files that replicate and also infect files. This has a targeted nature and therefore detecting this is the easiest. You can also remove them quite easily.

  1. Browser Hijacker

This is also a virus that can be detected quite easily and this virus also infects the browser and also redirects you to certain malicious websites.

  1. Overwrite Virus

This is a virus that overwrites the content of the files to infect the files, folders, and programs.

  1. Web Scripting virus

This virus is disguised in the link codings, images, ads, videos, and site code. This is quite a sneaky virus that can infect the system when the users download malicious files or visit malicious sites.

  1. File Infector

This is a virus that targets executable files. It slows down the programs and also damages the system files when the user downloads them.

  1. Network Virus

These viruses travel through network connections and also replicate themselves through the various shared resources.

A computer virus is a malicious code or program that is written to alter how the computer works. It is also designed to spread from one computer to another. To operate, a virus attaches itself to a legitimate program or document that supports the macros to execute the code. The virus can cause damaging and unexpected effects that include harming of the system software by corrupting and then destroying the data. In order to activate the anti virus, you will have to visit the mcafee.com/activate and get it activated.