1. /
  2. Security Response/
  3. Backdoor.Snifula.E


Risk Level 1: Very Low

June 1, 2009
November 19, 2012 1:44:31 PM
Also Known As:
Infection Length:
78,848 bytes
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
Backdoor.Snifula.E is a Trojan horse that steals financial information and opens a back door on the compromised computer.

Note: Virus definitions dated November 19, 2012 or earlier detect this threat as Trojan.Hanambot.

Antivirus Protection Dates

  • Initial Rapid Release version June 1, 2009 revision 040
  • Latest Rapid Release version June 24, 2014 revision 006
  • Initial Daily Certified version June 1, 2009 revision 050
  • Latest Daily Certified version December 23, 2012 revision 016
  • Initial Weekly Certified release date June 3, 2009
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy


  • Damage Level: Medium
  • Payload: Opens a back door on the compromised computer.
  • Releases Confidential Info: Sends confidential information to remote locations.
  • Compromises Security Settings: Lowers firewall settings.


  • Distribution Level: Low
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Nino Fred Gutierrez and Andrea Lelli

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report