W32.WinExt.Worm

Risk Level 1: Very Low

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Discovered:: January 24, 2000
Updated:: February 13, 2007 11:34:37 AM
Type:: Worm

W32.WinExt.Worm is a worm that propagates via e-mail using MAPI. The worm automaticaly replies to emails and attaches itself as TryIt.exe. The size of the executable is 71,680 bytes. It is packed with a shareware utility that changes all PE section names to spaces.

Antivirus Protection Dates

Initial Rapid Release version December 21, 2000
Latest Rapid Release version November 4, 2010 revision 052
Initial Daily Certified version December 21, 2000
Latest Daily Certified version November 4, 2010 revision 057
Initial Weekly Certified release date pending

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: Low

Writeup By: Peter Szor

Technical Details

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Internet Security Threat Report, Volume 16