Virus Prevalence - April 2006

Virus NamePrevalencePercentageInstances
W32/Netsky43.79% 70745
W32/Mytob26.61% 42986
W32/MyWife9.24% 14933
W32/Mydoom8.65% 13977
W32/Bagle2.9% 4682
W32/Zafi2.47% 3990
W32/Lovgate1.61% 2599
W32/Bugbear1.48% 2386
W32/Sdbot0.82% 1321
W32/Pate0.53% 855
W32/Funlove0.29% 471
W32/Feebs0.25% 408
W32/Klez0.17% 269
W32/Reatle0.14% 225
W32/Mabutu0.1% 163
W32/Sality0.09% 149
W32/Valla0.08% 130
W32/Mimail0.06% 92
W32/Dumaru0.06% 94
W32/Gibe0.05% 81
W32/Bagz0.05% 84
W32/Maslan0.05% 78
W32/Bobax0.04% 57
W32/Kriz0.02% 36
W32/Wukill0.02% 34
W32/Elkern0.02% 25
W32/Swen0.02% 37
W32/Mota0.02% 37
VBS/Redlof0.02% 32
W32/Randex0.02% 40
W32/Zotob0.02% 25
W32/Rontokbro0.02% 31
W32/BadTrans0.01% 10
VBS/LoveLetter0.01% 14
W32/Sobig0.01% 16
JS/Wonka0.01% 19
W32/Sober0.01% 11
W32/Nimda0.01% 9
IEStart0.01% 9
W95/Tenrobot0.01% 19
W32/Gael0.01% 18
W32/Magistr0.01% 13
W32/Kedebe0.01% 20
W32/Nachi0.01% 9
W32/Chir0.01% 24
W32/Ganda0.01% 10
W32/Hybris0.01% 20
Tristate0.01% 9
W32/Yaha0.01% 15
W95/Spaces0.01% 24
W97M/Ethan0% 3
W32/Jeefo0% 8
Form0% 1
Mumu0% 8
W32/Fizzer0% 4
W97M/Marker0% 4
VBS/Soraci0% 2
Melissa0% 2
Inor0% 6
W32/Traxg0% 6
W32/Korgo0% 2
W32/Wurmark0% 1
Cap0% 1
W97M/Thus0% 1
W32/Torvil0% 4
Monkey0% 1
Perl/Shellbot0% 4
W32/Plexus0% 1
Bablas0% 3
W32/Ska0% 1
W32/Agobot0% 4
W95/CIH0% 1
Divi0% 1
Sic0% 4
W32/Gedza0% 2
W32/Antinny0% 5
AntiCMOS0% 3
W32/Eyeveg0% 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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