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Trojan.Anicmoo.B

Risk Level 1: Very Low

Discovered:
February 22, 2005
Updated:
February 13, 2007 12:33:54 PM
Type:
Trojan Horse
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


Trojan.Anicmoo.B is a downloader Trojan that exploits the Windows User32.DLL ANI File Header Handling Stack-Based Buffer Overflow Vulnerability (as described in the Microsoft Security Bulletin MS05-002). The Trojan exists as a malformed animated cursor (.ani). The Trojan downloads a copy of SecurityRisk.Downldr.

Antivirus Protection Dates

  • Initial Rapid Release version February 22, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version February 22, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date February 23, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Low
Writeup By: Masaki Suenaga

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