Symantec.com > Security Response > Backdoor.Trojan.Client

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.

Protection

  • Initial Rapid Release version July 25, 2001
  • Latest Rapid Release version July 4, 2009 revision 021
  • Initial Daily Certified version July 25, 2001
  • Latest Daily Certified version July 4, 2009 revision 020
  • Initial Weekly Certified release date July 25, 2001

Click here 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
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