October virus definitions posted mactech 22 years ago Symantec has released October’s virus definitions for Norton Anti-Virus 5, 6, 7, 7.0.2, and 8, as noted by MacUpdate. McAfee has also posted October’s virus definitions for Virex 5.9.x and 6.x. Share this: November virus definitions postedDateOctober 31, 2001In relation to10311531May virus definitions postedDateMay 1, 2002In relation to04302050Virus definitions updated for JuneDateMay 31, 2002In relation to05311126