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  3. Trojan.Tredpaf


Risk Level 1: Very Low

May 28, 2013
May 30, 2013 11:34:55 PM
Infection Length:
Systems Affected:
Windows 2000, Windows 7, Windows Vista, Windows XP
Trojan.Tredpaf is a Trojan horse that opens a back door and may download more malware onto the compromised computer.

Antivirus Protection Dates

  • Initial Rapid Release version May 28, 2013 revision 033
  • Latest Rapid Release version May 29, 2013 revision 001
  • Initial Daily Certified version May 29, 2013 revision 003
  • Latest Daily Certified version May 29, 2013 revision 003
  • Initial Weekly Certified release date May 29, 2013
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. Downloads more files.
  • Releases Confidential Info: Steals information from the compromised computer.


  • 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: Symantec Security Response

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