W32.Tuoba.Trojan

Risk Level 1: Very Low

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Discovered:: March 15, 2004
Updated:: February 13, 2007 12:19:06 PM
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Tuoba.Trojan uses an Internet Explorer exploit to add a Web server to the Intranet zone and to redirect network traffic to that server.

For information on the exploit, refer to http://www.securityfocus.com/bid/9658.

Antivirus Protection Dates

Initial Rapid Release version March 15, 2004
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version March 15, 2004
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date March 15, 2004

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: Low

Writeup By: Paul Mangan

Technical Details

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Internet Security Threat Report, Volume 16