W32.Sober.S@mm

W32.Sober.S@mm is a mass-mailing worm that uses its own SMTP engine to spread. It sends itself as an email attachment to addresses gathered from the compromised computer. The email may be in either English or German.

Protection

• Initial Rapid Release version November 15, 2005
• Latest Rapid Release version January 24, 2010 revision 039
• Initial Daily Certified version November 15, 2005
• Latest Daily Certified version January 25, 2010 revision 003
• Initial Weekly Certified release date November 16, 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: High