Symantec.com > Business > Security Response > Downloader.Silentbank

Downloader.Silentbank

Risk Level 1: Very Low

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Discovered: January 10, 2008
Updated: January 10, 2008 7:05:25 PM
Also Known As: Troj/Agent-GTO [Sophos], Troj/Agent-HNT [Sophos]
Type: Trojan
Infection Length: 10,981 bytes
Systems Affected: Windows 98, Windows 95, Windows XP, Windows Me, Windows Vista, Windows NT, Windows Server 2003, Windows 2000

Downloader.Silentbank is a Trojan horse that continuously tries to download Trojan.Silentbanker files from a remote location and lowers security settings.

Protection

  • Initial Rapid Release version January 10, 2008 revision 022
  • Latest Rapid Release version June 8, 2009 revision 005
  • Initial Daily Certified version January 10, 2008 revision 021
  • Latest Daily Certified version June 8, 2009 revision 007
  • Initial Weekly Certified release date January 16, 2008

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
  • Payload: Downloads additional malware on to the compromised computer.
  • Compromises Security Settings: Lowers security settings.

Distribution

  • Distribution Level: Low

Writeup By: Liam O Murchu
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