Discovered: September 14, 2007
Updated: September 14, 2007 4:51:01 PM
Type: Worm
Infection Length: 16,384 bytes; 68,096 bytes
Systems Affected: Windows 2000, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
W32.Mimbot.B is a worm that spreads through MSN instant messaging applications. It also opens a back door on the compromised computer.
Protection
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Initial Rapid Release version September 14, 2007 revision 019
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Latest Rapid Release version October 19, 2009 revision 053
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Initial Daily Certified version September 14, 2007 revision 032
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Latest Daily Certified version October 19, 2009 revision 065
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Initial Weekly Certified release date September 19, 2007
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: Easy
Damage
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Damage Level: Medium
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Payload: Opens a back door on the compromised computer.
Distribution
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Distribution Level: Low
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Target of Infection: MSN instant messaging clients.
Writeup By: Stephen Doherty
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