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  3. W32.Antinny.BF


Risk Level 2: Low

April 19, 2006
February 13, 2007 12:52:50 PM
Also Known As:
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Antinny.BF is a worm that spreads through the Winny and Share file-sharing networks and may transmit sensitive information through these programs.

Note: Prior to April 19, 2006, W32.Antinny.BF was detected as W32.HLLW.Antinny.G.

Antivirus Protection Dates

  • Initial Rapid Release version April 19, 2006
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version April 19, 2006
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date April 19, 2006
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


  • Distribution Level: Medium
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: Masaki Suenaga

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