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I S P  G L O S S A R Y
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cluster virus
Last modified: Thursday, May 17, 2007 

A type of computer virus that associates itself with the execution of programs by modifying directory table entries to ensure the virus itself will start when any program on the computer system is started.  If infected with a cluster virus it will appear as if every program on the computer system is infected; however, a cluster virus is only in one place on the system.

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eSecurity Planet 
A resource for daily information on e-security targeted to IT managers. The site provides users with information from a variety of sources, including experts at security product and services firms, and the consultants who follow the security industry.

Webopedia's "Did You Know?" Article
The Difference Between a Virus, Worm and Trojan Horse.

Related Categories

Viruses

Related Terms

anti-antivirus virus

antivirus program

Appending Virus

Bimodal virus

retrovirus

Trojan horse

virus

Virus API

virus dropper

virus signature

worm

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