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  3. Trojan.Farfli


Risk Level 1: Very Low

July 29, 2007
July 29, 2007 8:51:54 AM
Also Known As:
Infection Length:
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
Trojan.Farfli is a Trojan horse that downloads other files and modifies the Start Page for Internet Explorer.

Antivirus Protection Dates

  • Initial Rapid Release version July 28, 2007 revision 024
  • Latest Rapid Release version April 25, 2015 revision 050
  • Initial Daily Certified version July 29, 2007 revision 005
  • Latest Daily Certified version April 26, 2015 revision 001
  • Initial Weekly Certified release date August 1, 2007
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: Low
  • Payload: Modifies the start page and adds an entry to the bookmark of Internet Explorer
  • Modifies Files: modifies the hosts file


  • 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: Kaoru Hayashi

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