Backdoor.Upfudoor

Risk Level 1: Very Low

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Discovered:: December 23, 2002
Updated:: February 13, 2007 11:51:15 AM
Also Known As:: Backdoor.Upfudoor.10 [KAV]
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

Backdoor.Upfudoor is a Backdoor Trojan that gives an attacker unauthorized access to a compromised computer. By default, it opens port 39,122. The Trojan has the ability to log keystrokes. It is packed with ASPack v2.11.

Antivirus Protection Dates

Initial Rapid Release version December 23, 2002
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version December 23, 2002
Latest Daily Certified version August 20, 2008 revision 016
Initial Weekly Certified release date December 24, 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: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: Low

Writeup By: Serghei Sevcenco

Technical Details

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Internet Security Threat Report, Volume 16