1. Symantec/
  2. Security Response/
  3. Trojan.Wsnpoem


Risk Level 1: Very Low

July 24, 2008
August 22, 2012 9:02:32 AM
Also Known As:
Win32/Kollah.NU [Computer Associates], W32/Zbot [F-Secure], TROJ_ZBOT.AJD [Trend], TROJ_ZBOT.QT [Trend], Generic PWS.y!F1684D85 [McAfee], TROJ_ZBOT.AJR [Trend], Troj/Zbot-AX [Sophos], Troj/Zbot-BD [Sophos], Troj/BckDoor-B [Sophos], Troj/Zbot-CK [Sophos], Troj/Agent-KZY [Sophos], Troj/Dloadr-CXH [Sophos]
Infection Length:
68,608 bytes
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
Trojan.Wsnpoem is a Trojan horse that opens a back door and downloads potentially malicious files on to the compromised computer.

For more information, please see the following resources:

Antivirus Protection Dates

  • Initial Rapid Release version July 23, 2008 revision 038
  • Latest Rapid Release version January 14, 2015 revision 039
  • Initial Daily Certified version July 23, 2008 revision 039
  • Latest Daily Certified version January 15, 2015 revision 001
  • Initial Weekly Certified release date July 30, 2008
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Hyun Choi and Sean Kiernan

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