Types of Computer Viruses, & How to Get Rid of Them

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A computer virus is very malicious type of software that someone has written in order to get access to your personal files on your computer. This can leave you at risk for identity theft, since a third party can get a hold of your personal banking and credit card information. The types of computer viruses that we see can replicate themselves and spread.

Here we are going to look at the types of computer viruses:

Resident Viruses

This virus will stay on your computer in RAM memory, and will corrupt all files and programs on your system

Direct Action Viruses

This type of virus replicates and infects files in your PC’s directory or folder it is in. It carries out these operations when your computer is booted up

Overwrite Viruses

These types of computer viruses delete the information that is contained in those files it infects, basically making them useless. You can only get rid of it by deleting the file altogether.

Boot Virus

A boot birus affects the part of a floppy or hard disk called the boot sector, a critical part of that disk, because information is store with a program that makes it possible to start the PC for the disk. But we do not see that many of these anymore because a portable discs are not all that popular anymore.

Directory Virus

These types of computer viruses change paths which show where the file is located. When the infected program is executed, you are running a virus without even knowing it.

File Infectors

The most common types of computer viruses. They infect programs or executable files. They are often found on free programs you download off of the internet.

Companion Viruses

They get this name because they accompany other files that exist already on your computer.

FAT Virus

FAT stands for “file allocation table.” This type of virus often results in lost information


Very similar to a virus, but not difficult to get rid of

Trojans or Trojan Horses/Logic Bombs

These are different from viruses in that they do not reproduce

The best way to get rid of these harmful intruders is to use a spyware removal program. It will scan your PC for problems, eliminate them, and work to get them away in the future.

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