W32.Zoher@mm

W32.Zoher@mm is a worm that comes in an email message with a subject of "Fw: Scherzo!" and an attachment named Javascript.exe. The body of the email message contains a message in Italian.

The worm exploits a vulnerability in Microsoft Outlook and Outlook Express in an attempt to execute itself when you open or preview the message. Further information and a patch to remove the vulnerability can be found at

http://www.microsoft.com/technet/security/bulletin/MS01-020.asp

Protection

• Initial Rapid Release version December 24, 2001
• Latest Rapid Release version November 13, 2008 revision 048
• Initial Daily Certified version December 24, 2001
• Latest Daily Certified version January 20, 2009 revision 048
• 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: High