Discovered: November 2, 2008
Updated: November 4, 2008 10:03:42 AM
Also Known As: W32/Wecorl [McAfee], WORM_WECORL.A [Trend]
Type: Worm
Infection Length: Varies
Systems Affected: Windows XP, Windows Server 2003, Windows 2000
W32.Wecorl is a worm that spreads by exploiting the
Microsoft Windows Server Service RPC Handling Remote Code Execution Vulnerability (BID 31874).
Protection
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Initial Rapid Release version pending
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Latest Rapid Release version February 20, 2009 revision 032
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Initial Daily Certified version November 3, 2008 revision 025
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Latest Daily Certified version February 20, 2009 revision 048
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Initial Weekly Certified release date November 5, 2008
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: Low
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Modifies Files: Modifies Svchost.exe
Distribution
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Distribution Level: Low
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Ports: TCP 139
Writeup By: Kaoru Hayashi
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