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W32.Feebs

Risk Level 2: Low

Discovered:
January 7, 2006
Updated:
May 17, 2007 10:00:37 PM
Type:
Worm
Infection Length:
varies
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Feebs is a detection for a family of mass-mailing worm that also spreads through file-sharing networks and lowers security settings on the compromised computer. The worm may also send confidential information to a remote attacker via FTP.

The worm variant arrives as an email attachment with an .HTA extension. Once the .HTA file is viewed, a malicious JavaScript then drops or downloads a copy of the worm executable.

Antivirus Protection Dates

  • Initial Rapid Release version January 8, 2006
  • Latest Rapid Release version August 7, 2010 revision 032
  • Initial Daily Certified version January 8, 2006
  • Latest Daily Certified version August 8, 2010 revision 003
  • Initial Weekly Certified release date January 11, 2006
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kaoru Hayashi

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