W32.Ameter@m

Risk Level 1: Very Low

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Discovered:: September 24, 2002
Updated:: February 13, 2007 11:58:31 AM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Ameter@m is a worm that requires Borland C++ 6.0 runtime libraries be installed for it to run. It overwrites all .exe files (except for Emm386.exe and Setver.exe) that reside in the %windir% folder.

It also sends itself to an email address that is contained within the worm. This email message has the following characteristics:

Subject: Brigada Ocho Bitmap Tools
Attachment: <original worm file name>

Antivirus Protection Dates

Initial Rapid Release version September 24, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version September 24, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date September 25, 2002

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: High

Distribution

Distribution Level: Low

Writeup By: Douglas Knowles

Technical Details

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Internet Security Threat Report, Volume 16