1. Symantec/
  2. Security Response/
  3. Backdoor.Volac.dr


Risk Level 1: Very Low

December 10, 2003
February 13, 2007 12:15:04 PM
Trojan Horse
Systems Affected:

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.

Antivirus Protection Dates

  • 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.
Writeup By: Heather Shannon

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2016 Internet Security Threat Report, Volume 21
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