This is the latest in a series of monthly charts counting down the ten most frequently occurring viruses and hoaxes compiled by Sophos.
For October 2002, the-virus chart is as follows, with the most frequently occurring virus at number one:
W32/Bugbear-A (Bugbear worm) 77.6%
W32/Klez-H (Klez variant) 6.2%
W32/Opaserv-A (Opaserv worm) 2.5%
W32/Yaha-E (Yaha variant) 1.1%
W32/Badtrans-B (Badtrans variant) 0.8%
6=.W32/Nirnda-D (Nimda variant) 0..7%
6=.W32/Opaserv-C(Opaserv variant) 0.7%
(Opaserv variant) 0.7%
W32/Elkern-C (Elkern variant) 0.6%
W32/Opaserv-B (Opaserv variant) 0.5%
After seven months at the top, Klez-H has finally been knocked off its perch by the Bugbear worm,
Bugbear is a box of tricks that not only spreads via email and...