Virus Prevalence - November 2006

Virus NamePrevalencePercentageInstances
W32/Mytob28.67% 3507477
W32/Netsky27.28% 3337363
W32/Bagle19.73% 2413696
W32/MyWife8.57% 1048023
W32/Zafi3.61% 441357
W32/Mydoom3.29% 402981
W32/Lovgate3.05% 372897
W32/Bagz2.92% 357269
W32/Parite0.61% 74444
W32/Stration0.36% 43793
W32/Tenga0.25% 30716
W32/Mabutu0.23% 27704
W32/Klez0.21% 26011
W32/Funlove0.2% 24350
W32/Elkern0.17% 20861
W32/Valla0.1% 11850
W32/Reatle0.08% 10211
W32/Bugbear0.07% 9000
VBS/Redlof0.07% 8987
W32/Agobot0.07% 7996
W32/Maslan0.07% 8046
W32/Sober0.06% 7529
W32/Lovelorn0.05% 6156
W32/Dumaru0.04% 4892
JS/Kak0.03% 3676
W32/Sality0.03% 3713
W32/Plexus0.02% 2005
W32/Darby0.01% 790
W32/Mimail0.01% 1108
W32/Swen0.01% 850
W95/Tenrobot0.01% 1117
W32/Gurong0.01% 1812
W97M/Thus0.01% 1593
W32/Chir0.01% 1366
W32/Rontokbro0.01% 1482
W32/Hybris0.01% 788
W32/Womble0.01% 763
W32/Kipis0.01% 1087
W32/Bobax0.01% 851
W95/Spaces0.01% 1060
W97M/Ethan0% 227
W32/Kriz0% 474
W32/Polip0% 2
W32/Jeefo0% 397
VBS/LoveLetter0% 48
W95/Lorez0% 25
W32/Sobig0% 213
W32/Detnat0% 3
W32/Gibe0% 19
W32/Fizzer0% 29
JS/Wonka0% 14
W32/Codbot0% 32
W97M/Marker0% 5
VBS/Soraci0% 1
VBS/Roor0% 3
W32/Cabanas0% 1
W32/Nimda0% 2
W32/Rbot0% 59
W32/Kidala0% 15
W32/Traxg0% 63
W32/Aimbot0% 20
W32/Opaserv0% 482
W32/Wootbot0% 17
W32/Banwarum0% 344
W32/Tirbot0% 18
W32/Magistr0% 106
W32/Looked0% 249
W95/Dupator0% 244
W32/Cissi0% 30
W32/Torvil0% 8
W32/Kedebe0% 149
W32/Areses0% 379
W32/Weird0% 25
W32/Bropia0% 30
W32/Rants0% 5
W32/Sdbot0% 515
W95/Weird0% 25
W32/Small0% 1
W32/Feebs0% 168
W32/Evaman0% 43
W32/Blaster0% 35
W32/Virut0% 286
W32/Alcra0% 1
W32/Sasser0% 67
W95/CIH0% 2
W97M/Verlor0% 2
VBS/Psyme0% 80
VBS/Haptime0% 1
W32/Locksky0% 77
JS/Fortnight0% 1
W32/Yaha0% 473
W32/Eyeveg0% 131
VBS/Gedza0% 37

Background

The Virus Bulletin prevalence table is compiled monthly from virus reports received by Virus Bulletin; both directly, and from other companies who pass on their statistics.

Reports are included only if they are confirmed, and hence, in conjunction with the WildList, the prevalence table provides a useful indication of the relative prevalence of various virus found in the wild at the time.

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