Discovered: February 6, 2004
Updated: February 13, 2007 12:17:08 PM
Also Known As: Vesser [F-Secure], W32/Deadhat.worm.a [McAfee], WORM_DEADHAT.A [Trend], Win32.Deadhat.A [Computer Asso, Worm.Win32.Vesser [Kaspersky]
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.HLLW.Deadhat is a worm with backdoor capabilities. It attempts to uninstall the
W32.Mydoom.A@mm and
W32.Mydoom.B@mm worms, and then it spreads to other systems infected with Mydoom. Also, it spreads through the Soulseek file-sharing program.
Protection
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Initial Rapid Release version February 9, 2004
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Latest Rapid Release version February 9, 2004
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Initial Daily Certified version February 9, 2004
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Latest Daily Certified version January 15, 2008 revision 016
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Initial Weekly Certified release date February 9, 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: Heather Shannon
