Discovered: June 20, 2007
Updated: July 23, 2007 2:39:10 AM
Also Known As: Troj/RKAgen-A [Sophos], Rootkit:W32/Agent.EA [F-Secure]
Type: Trojan
Infection Length: 154,112 bytes
Systems Affected: Windows XP, Windows NT, Windows 2000
Trojan.Srizbi is a Trojan horse that sends spam and uses a rootkit to hide itself.
Protection
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Initial Rapid Release version June 20, 2007 revision 001
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Latest Rapid Release version February 9, 2010 revision 018
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Initial Daily Certified version June 20, 2007 revision 003
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Latest Daily Certified version February 9, 2010 revision 025
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Initial Weekly Certified release date June 20, 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: Difficult
Damage
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Damage Level: Medium
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Payload: Sends spam.
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Compromises Security Settings: Rootkit is able to bypass firewall and IDS systems.
Distribution
Writeup By: Kaoru Hayashi