Common Viruses Part 2

Apr 10, 2017 | IT Services

Round two of various common computer viruses, what they are and what they can do to your computer or even your entire network.

Common Computer VirusesEncrypted Viruses

A virus that consists of encrypted malicious code making it difficult for antivirus software to detect them.

Companion Viruses

A virus that gets into the system by “accompanying” other files that already exist by waiting in the memory until a program starts.

Network Virus

A virus that quickly multiplies through shared resources and spreads through a LAN, and sometimes throughout the internet.

Nonresident Viruses

A computer virus that does not store or execute itself from computer memory.

Chernobyl Virus

A virus with a potentially devastating payload that destroys all computer data upon execution of the infected file.

FAT Virus

A common threat that distributes itself by manipulating the method in which files are accessed by the FAT file system.


A standalone malware computer program that replicates itself to spread to other computers.

Trojans or Trojan Horses

A harmless-looking program designed to trick you into thinking it is something you want but which performs harmful acts when it runs.

Logic Bombs

A piece of code intentionally inserted into a software system that will set off a malicious function during specified conditions.

Computer Viruses

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