W32.Alco.AB@mm

Risk Level 1: Very Low

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Discovered:: March 11, 2003
Updated:: February 13, 2007 11:44:10 AM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Alco.AB@mm is a mass-mailing worm that sends itself to all the email addresses that it finds in the .htm and .html files. The email has the following characteristics:

From: Chief Skaler <admin@evol.com>
Subject: Evol Worm
Message:
There was an error with your smtp provider please read the datalink and send a copy to your ISP. Error1106 : Dead datalink (report is attatched).
Attachment: Errorlog.exe

The worm copies itself to the default shared folders of the KaZaA, Bearshare, and eDonkey2000 file-sharing networks. The worm also attempts to spread through IRC.

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

Antivirus Protection Dates

Initial Rapid Release version March 12, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version March 12, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date March 12, 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: Moderate

Damage

Damage Level: Low

Distribution

Distribution Level: High

Writeup By: Yana Liu

Technical Details

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Internet Security Threat Report, Volume 16