W32.Zotob.L

W32.Zotob.L is a worm that opens a back door and exploits various vulnerabilities. The worm spreads by exploiting vulnerabilities, including the Microsoft Windows Plug and Play Buffer Overflow Vulnerability (described in Microsoft Security Bulletin MS05-039).

Protection

• Initial Rapid Release version August 25, 2005
• Latest Rapid Release version March 5, 2008 revision 053
• Initial Daily Certified version August 25, 2005
• Latest Daily Certified version March 5, 2008 revision 054
• Initial Weekly Certified release date August 31, 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: Medium