Trojan.Welomoch

Trojan.Welomoch is a Trojan horse that attempts to utilize XCP software to hide W32.HLLW.Antinny, which it drops on to the compromised computer. The XCP software is installed by inserting certain Sony BMG content-protected music CDs into the computer.

Protection

• Initial Rapid Release version December 6, 2005
• Latest Rapid Release version August 2, 2008 revision 020
• Initial Daily Certified version December 6, 2005
• Latest Daily Certified version August 2, 2008 revision 021
• Initial Weekly Certified release date December 7, 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: Moderate

Damage

• Damage Level: Low

Distribution

• Distribution Level: Low