W32.Bobax.AJ@mm

W32.Bobax.AJ@mm is a mass-mailing worm that spreads by exploiting the Microsoft Windows Plug and Play Buffer Overflow Vulnerability (described in Microsoft Security Bulletin MS05-039) on TCP port 445. The worm allows a compromised computer to be used as a covert proxy.

Antivirus Protection Dates

• Initial Rapid Release version September 7, 2005
• Latest Rapid Release version June 22, 2009 revision 066
• Initial Daily Certified version September 7, 2005
• Latest Daily Certified version June 19, 2009 revision 051
• Initial Weekly Certified release date September 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: Medium

Distribution

• Distribution Level: High