Trojan.Anicmoo.B

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.

Protection

• Initial Rapid Release version February 22, 2005
• Latest Rapid Release version July 12, 2008 revision 018
• Initial Daily Certified version February 22, 2005
• Latest Daily Certified version July 12, 2008 revision 019
• 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