W32.Socay.Worm

Risk Level 1: Very Low

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Discovered:: January 15, 2003
Updated:: February 13, 2007 11:56:30 AM
Type:: Trojan Horse, Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Socay.Worm is a backdoor Trojan that contains worm functionality. It attempts to send itself to all the addresses in the Microsoft Outlook Address Book. The email characteristics are:
Subject: Re:VISA DE TRABAJO
Attachment: <Original file name>

The worm also tries to copy itself to drive A as Visa de Trabajo <multiple spaces> .exe

The backdoor component listens on port 8,520 for remote connections.

Antivirus Protection Dates

Initial Rapid Release version January 15, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version January 15, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date January 15, 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: Medium

Distribution

Distribution Level: Low

Writeup By: Douglas Knowles

Technical Details

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Internet Security Threat Report, Volume 16