W32.Klexe.Worm

Risk Level 2: Low

Printer Friendly Page|Rate this page

Discovered:: June 27, 2003
Updated:: February 13, 2007 12:03:02 PM
Also Known As:: W32/Klexe@MM [McAfee], Win32.Klexe.A [CA]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

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.

Antivirus Protection Dates

Initial Rapid Release version June 28, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version June 28, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date June 28, 2003

Click 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

Writeup By: Yana Liu

Technical Details

Search Threats

Search by name

Example: W32.Beagle.AG@mm

Internet Security Threat Report, Volume 16