Virus Prevalence - February 2006

Virus NamePrevalencePercentageInstances
W32/Netsky32.03% 72913
W32/Mytob24.35% 55433
W32/MyWife16.83% 38306
W32/Bagle15.99% 36387
W32/Mydoom3.72% 8463
W32/Darby3.58% 8139
W32/Lovgate0.75% 1714
W32/Zafi0.42% 961
W32/Funlove0.31% 700
W32/Feebs0.3% 682
W32/Bugbear0.26% 593
W32/Sober0.16% 366
W32/Valla0.16% 358
W32/Pate0.14% 310
W32/Klez0.12% 278
W32/Mabutu0.08% 188
W32/Sality0.08% 174
W32/Sdbot0.07% 153
W32/Gibe0.06% 146
W32/Mimail0.06% 143
W32/Dumaru0.05% 113
W32/Bagz0.05% 111
W32/Maslan0.04% 102
JS/Wonka0.03% 60
W32/Reatle0.03% 70
VBS/Soraci0.02% 35
VBS/Redlof0.02% 39
W32/Kedebe0.02% 53
W32/Bobax0.02% 43
W95/Spaces0.02% 49
W32/Loosky0.01% 14
W32/Kriz0.01% 15
W32/Elkern0.01% 23
W32/Fizzer0.01% 27
W32/Nimda0.01% 16
W32/Swen0.01% 28
W32/Mota0.01% 29
W32/Gael0.01% 30
W32/Magistr0.01% 14
W32/Torvil0.01% 27
W32/Chir0.01% 23
W32/Zotob0.01% 19
W32/Rontokbro0.01% 28
W32/Hybris0.01% 13
W32/Agobot0.01% 34
W32/Yaha0.01% 13
W97M/Ethan0% 1
W32/BadTrans0% 9
Internal0% 2
VBS/LoveLetter0% 6
W32/Sobig0% 7
W32/Blaxe0% 1
W32/Wukill0% 5
NoClose0% 3
Form0% 1
Mumu0% 11
W32/Holar0% 4
Barisadas0% 1
W32/Brepibot0% 5
W97M/Marker0% 5
IEStart0% 4
WYX0% 4
W32/Fbound0% 1
W95/Tenrobot0% 6
W32/Traxg0% 1
W32/Lovelorn0% 2
W32/Lirva0% 1
W32/Ultimax0% 1
W32/Korgo0% 2
W32/Wurmark0% 3
KillCMOS0% 1
Cap0% 3
W97M/Thus0% 1
Eight9410% 1
W32/Nachi0% 6
W32/Randex0% 8
W32/Higuy0% 1
W32/Dabber0% 1
W32/Ganda0% 6
VCX0% 2
W32/Alcan0% 4
Mac/Autostart98050% 1
W32/Sasser0% 1
W95/CIH0% 1
Divi0% 2
VBS/Psyme0% 5
Sic0% 1
Tristate0% 7
W32/Antinny0% 8
SQL/Spider0% 1
AntiCMOS0% 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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