Discovered: March 13, 2004
Updated: February 13, 2007 12:19:02 PM
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.HLLW.Citor is a worm that attempts to spread through IRC by sending a URL link to other people in the channel. The URL link is the worm executable.
Protection
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Initial Rapid Release version March 13, 2004
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Latest Rapid Release version July 12, 2008 revision 018
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Initial Daily Certified version March 13, 2004
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Latest Daily Certified version July 12, 2008 revision 019
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Initial Weekly Certified release date March 13, 2004
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Low
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Number of Infections: 0 - 49
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Number of Sites: 0 - 2
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Moderate
Damage
Distribution
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Distribution Level: Medium
Writeup By: Eric Chien