2/23: Anicmoo-B a Downloader Trojan
February 23, 2005

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).

This Trojan downloads a copy of SecurityRisk.Downldr.

Technical details can be found at Symantec page.