W32.Secefa.D

W32.Secefa.D is a worm with back door capabilities that drops another threat onto the compromised computer.

It is reported that the worm is downloaded by a malformed html file that exploits the Microsoft Internet Explorer CreateTextRange Remote Code Execution Vulnerability (as described in Bugtraq ID 17196).

Protection

• Initial Rapid Release version April 3, 2006
• Latest Rapid Release version March 5, 2008 revision 053
• Initial Daily Certified version April 3, 2006
• Latest Daily Certified version March 5, 2008 revision 054
• Initial Weekly Certified release date April 5, 2006

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: Low