- December 26, 2002
- February 13, 2007 11:41:45 AM
Also Known As:
- W32.Backzat.Worm, I-Worm.Batzback.a [KAV], I-Worm.Batzback.b [KAV], Worm.Batzback.A [McAfee], W32/Backzat-A [Sophos], Win32.Backzat.A [CA]
W32.HLLW.Backzat is a worm that uses IRC to distribute itself. This worm attempts to delete security software from your computer. Also, it is written in Microsoft Visual C++ and is packed with UPX.
NOTE: Virus definitions dated prior to April 25, 2003 may detect this threat as W32.Backzat.Worm.
Antivirus Protection Dates
Initial Rapid Release version December 26, 2002
Latest Rapid Release version August 8, 2016 revision 023
Initial Daily Certified version December 26, 2002
Latest Daily Certified version August 9, 2016 revision 001
Initial Weekly Certified release date December 30, 2002
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kaoru Hayashi