VBS.Trappy@mm

VBS.Trappy@mm is a Visual Basic Script (VBS) worm. It infects .htm, .plg, .asp, and .vbs files. It replicates using MAPI objects to spread itself as an attachment.

The worm exploits a known Microsoft Outlook Express security hole so that the worm is executed without having to run any attachment. Microsoft has patched this security hole to eliminate security vulnerabilities in "Scriptlet.TypLib" ActiveX controls. The patch is available at:

http://www.microsoft.com/technet/ie/tools/scrpteye.asp

Protection

• Initial Rapid Release version September 7, 2001
• Latest Rapid Release version September 7, 2001
• Initial Daily Certified version September 7, 2001
• Latest Daily Certified version June 17, 2008 revision 017
• Initial Weekly Certified release date pending

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