W32.Clunk.A

Risk Level 1: Very Low

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Discovered:: March 24, 2005
Updated:: February 13, 2007 12:35:44 PM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Clunk.A is a password-stealing worm that propagates through network file shares. It captures text typed into Internet Explorer and takes screenshots of browser windows, attempting to collect passwords and other sensitive information.

Antivirus Protection Dates

Initial Rapid Release version March 25, 2005
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version March 25, 2005
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date March 25, 2005

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: Moderate

Damage

Damage Level: Low

Distribution

Distribution Level: Medium

Writeup By: Paul Mangan

Technical Details

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Internet Security Threat Report, Volume 16