Discovered: July 11, 2005
Updated: February 13, 2007 12:42:00 PM
Also Known As: Net-Worm.Win32.Mytob.bt [Kaspe, W32/Mytob.el@MM [McAfee], W32/Mytob-DI [Sophos], WORM_MYTOB.HS [Trend Micro]
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Mytob.HG@mm is a mass-mailing worm that opens a back door and lowers security settings on the compromised computer.
Protection
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Initial Rapid Release version July 11, 2005
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Latest Rapid Release version August 20, 2008 revision 017
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Initial Daily Certified version July 11, 2005
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Latest Daily Certified version August 20, 2008 revision 016
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Initial Weekly Certified release date July 13, 2005
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: 3 - 9
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Moderate
Damage
Distribution
Writeup By: Masaki Suenaga
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