W32.Klexe.Worm

W32.Klexe.Worm is a worm that uses Microsoft Outlook to send a Web site link to all the contacts in the Outlook Address Book. The link contains the zipped version of the worm. This worm has a Trojan component that captures all the keystrokes and periodically sends the stolen information to a predefined hacker's email address.

This threat is written in the Microsoft Visual Basic programming language.

Protection

• Initial Rapid Release version June 28, 2003
• Latest Rapid Release version July 19, 2008 revision 019
• Initial Daily Certified version June 28, 2003
• Latest Daily Certified version July 19, 2008 revision 018
• Initial Weekly Certified release date June 28, 2003

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