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Trojan.Welomoch

Risk Level 1: Very Low

Discovered:
December 6, 2005
Updated:
February 13, 2007 12:49:40 PM
Type:
Trojan Horse
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


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.

Antivirus Protection Dates

  • Initial Rapid Release version December 6, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version December 6, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • 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
Writeup By: Kazumasa Itabashi

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