Type of Computer Virus

The working of each and every virus is different
because every virus is designed by the different source code.


This type of virus is specially designed to
irreversible damage or destroys the files which are stored in our computer

Sector Virus:

This virus attaches itself to the boot sector of the
disk. This sector conation the startup files of the operating system. When
someone start any computer then firstly load these files and this virus
directly destroys these files by which we need to install again operating

So this operating system deletes the files of
operating system.

Example of Virus:


This virus work very slow it does not attack when it
enter in any computer system. But in the long run, it takes over all the
resources (External devices like printer, keyboard and mouse etc.) of the
computer system and eventually the computer becomes useless.


Trojan horse virus comes as a friendly program (as a
game, application, etc.) however it is very dangerous as it destroys all the
data on your system. Trojan horse do not replicate themselves but they can be
very destructive. The Trojan horse can be spread through a number of ways, but
the common means of infection is attachment of emails.


Spyware virus also very dangerous virus it stole the
information and send to the other network or people. For example if you are
searching something on google or chatting on social media then this type of
virus all records and chatting send to the other person. 

What is Computer Virus?

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