W32.Bratle.A

W32.Bratle.A is a worm that attempts to propagate by exploiting the Microsoft Windows LSASS Buffer Overrun Vulnerability (as described in Microsoft Security Bulletin MS04-011). It also opens a FTP server on the compromised computer.

Protection

• Initial Rapid Release version August 1, 2005
• Latest Rapid Release version August 2, 2008 revision 020
• Initial Daily Certified version August 1, 2005
• Latest Daily Certified version August 2, 2008 revision 021
• Initial Weekly Certified release date August 3, 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