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Backdoor.Volac.dr

Risk Level 1: Very Low

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Discovered: December 10, 2003
Updated: February 13, 2007 12:15:04 PM
Type: Trojan Horse
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


Backdoor.Volac.dr is a Trojan horse dropper that installs Backdoor.Volac as "Avsynmgr32S.exe," and Backdoor.Sdbot as "MSmurkiF.exe."

The dropper may be found as the file MSldwrD.exe. It may also be found in conjunction with Hacktool.Anavol, which spreads the dropper to systems that have weak passwords.

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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