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Backdoor.Volac

Risk Level 1: Very Low

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Discovered: December 10, 2003
Updated: February 13, 2007 12:15:05 PM
Type: Trojan Horse
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


Backdoor.Volac is a backdoor Trojan horse server that allows unauthorized remote access to an infected system.

This Trojan may be found as the file, %Windir%\Avsynmgr32S.exe.


Note: %Windir% is a variable. The Trojan locates the Windows installation folder (by default, this is C:\Windows or C:\Winnt) and copies itself to that location.

Read the Backdoor.Volac.dr and Hacktool.Anavol writeups for more information about how this Trojan may be distributed.

Protection

  • Initial Rapid Release version December 11, 2003
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version December 11, 2003
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date December 17, 2003

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: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Low

Writeup By: Heather Shannon
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