Virus Prevalence - August 2005

Virus NamePrevalencePercentageInstances
W32/Netsky47.35% 16929
W32/Bagle18.28% 6537
W32/Mytob11.14% 3985
W32/Mydoom8.19% 2928
W32/Zafi6.4% 2287
W32/Lovgate1.45% 520
W32/Klez0.77% 275
W32/Funlove0.63% 226
W32/Dumaru0.61% 218
W32/Bagz0.6% 215
W32/Pate0.34% 123
W32/Bugbear0.33% 119
W32/Mabutu0.3% 109
W32/MyWife0.29% 104
W32/Agobot0.27% 95
W32/Mimail0.26% 93
W32/Reatle0.26% 94
W32/Fizzer0.25% 90
W32/Swen0.23% 83
W32/Sdbot0.23% 82
W32/Valla0.22% 79
VBS/Redlof0.2% 72
W32/Mota0.18% 64
W32/Yaha0.13% 45
W32/Bobax0.13% 46
W32/Randex0.06% 23
W32/Wurmark0.05% 19
VBS/Psyme0.05% 18
W32/Magistr0.04% 16
W32/Hybris0.04% 16
W32/Maslan0.04% 15
W32/Sobig0.03% 11
Mumu0.03% 11
W32/Nachi0.03% 11
W32/Antinny0.03% 9
W32/BadTrans0.02% 7
VBS/LoveLetter0.02% 6
Form0.02% 7
WYX0.02% 6
W32/Ganda0.02% 6
W32/Evaman0.02% 7
Tristate0.02% 6
W32/Randon0.01% 3
W32/Kriz0.01% 4
Internal0.01% 2
Class0.01% 2
W32/Wukill0.01% 5
W32/Elkern0.01% 4
W97M/Marker0.01% 2
VBS/Soraci0.01% 5
W32/Nimda0.01% 5
W95/Tenrobot0.01% 5
W32/Korgo0.01% 5
Cap0.01% 2
Cascade0.01% 5
W32/SirCam0.01% 2
W32/Torvil0.01% 2
Hiac0.01% 5
Lunch0.01% 4
W32/Plexus0.01% 3
W32/Ska0.01% 5
W95/CIH0.01% 5
Divi0.01% 3
Sic0.01% 2
AntiCMOS0.01% 2
W95/Spaces0.01% 5
W32/Eyeveg0.01% 3
Relax0% 1
W32/Blaxe0% 1
W32/Sober0% 1
Supil0% 1
IEStart0% 1
W32/Mofei0% 1
W32/Frethem0% 1
W32/Chir0% 1
Opey0% 1
Gaggle0% 1
Bablas0% 1
W32/Sasser0% 1
W32/Bereb0% 1
Wrench0% 1
VBS/Gedza0% 1

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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