Backdoor.Trojan.Client

Risk Level 1: Very Low

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Discovered:: July 24, 2001
Updated:: February 13, 2007 11:57:29 AM
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

Programs detected as Backdoor.Trojan.Client are utility applications that are used by hackers to control a Backdoor.Trojan.

Norton Internet Security/Norton Internet Protection users
If you are using either of these Symantec firewall programs, the name that is used by the Trojan Block rule to prevent the Trojan from being downloaded to your computer is different from the name that is used by Norton AntiVirus to detect the same threat if it were actually run on your computer or received in email.

Norton Internet Security/Norton Internet Protection will block Backdoor.Trojan.Client from being downloaded to your computer using the Block Rule Backdoor/SubSeven.

Antivirus Protection Dates

Initial Rapid Release version July 25, 2001
Latest Rapid Release version May 17, 2012 revision 038
Initial Daily Certified version July 25, 2001
Latest Daily Certified version May 18, 2012 revision 006
Initial Weekly Certified release date July 25, 2001

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: Low

Distribution

Distribution Level: Low

Writeup By: Atli Gudmundsson

Technical Details

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Internet Security Threat Report, Volume 16