Symantec.com > Security Response > Backdoor.Imiserv

Backdoor.Imiserv

Risk Level 1: Very Low

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Discovered: September 17, 2002
Updated: February 13, 2007 11:49:22 AM
Also Known As: Trojan.Imiserv, Trojan.Win32.Imiserv.a [Kasper, TROJ_IMISERV.A [Trend], Troj/Imiserv [Sophos], application IMIServ [McAfee]
Type: Trojan Horse
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP


Backdoor.Imiserv connects and sends data to a predefined Web site. It is written in the Microsoft C/C++ program language.

    Notes:
  • Virus definitions dated prior to December 15, 2003 may detect the files with a similar behavior to this backdoor. Virus definitions dated December 15, 2003 or later will detect such files as Adware.IEPlugin.
  • Virus definitions dated before September 18, 2002, may detect this threat as a Trojan Horse.




If you are using Norton AntiVirus, it may detect this threat within a compressed file, in which case you may see a message that access was denied. For additional information, read the document What does it mean when Norton AntiVirus denies access to a file?

Protection

  • Initial Rapid Release version September 18, 2002
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version September 18, 2002
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date September 18, 2002

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 50 - 999
  • Number of Sites: 3 - 9
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Low

Writeup By: Yana Liu
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