W32.Zelly

Discovered:
October 22, 2004
Updated:
February 13, 2007 12:29:04 PM
Also Known As:
W32/Zelly (McAfee), Win32.Jolla.a (KAV)
Type:
Virus
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Zelly is a complex multi-layer polymorphic and Entry-Point Obscuring file infector. It is a zoo virus and unlikely to spread in the wild.

Antivirus Protection Dates

  • Initial Rapid Release version October 26, 2004
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version October 26, 2004
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date October 27, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Frederic Perriot

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