W32.Nomvar

W32.Nomvar is a worm that copies itself to the root of all drives, including removable and shared drives, and downloads potentially malicious files on to the compromised computer.

Protection

• Initial Rapid Release version May 28, 2007 revision 039
• Latest Rapid Release version June 30, 2009 revision 053
• Initial Daily Certified version May 29, 2007
• Latest Daily Certified version June 30, 2009 revision 055
• Initial Weekly Certified release date May 30, 2007

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
• Payload: Downloads potentially malicious files.

Distribution

• Distribution Level: Medium
• Shared Drives: Copies itself to shared drives.