Virus Top 20 – April 2002

The latest monthly installment of the Kaspersky Virus Top 20 is here. To find out more details about each virus, simply click on the links below.

position virus percentage by occurrence
1 I-Worm.Klez
94.5%
2 I-Worm.BadtransII 1.5%
3
Win32.Elkern.c
0.6%
4 I-Worm.Sircam 0.6%
5 I-Worm.HappyTime 0.4%
6 I-Worm.LoveLetter 0.3%
7 I-Worm.Hybris 0.2%
8 Win95.CIH 0.2%
9 I-Worm.Cervivec 0.2%
10 Trojan.PSW.Delf
0.1%
11 Trojan.PSW.Gip
0.1%
12 I-Worm.Magistr
0.1%
13 Macro.Word97.Thus
0.1%
14 I-Worm.Gibe 0.1%
15 I-Worm.Nimda 0.1%
16 I-Worm.Stator 0.1%
17 JS.Trojan.Seeker 0.1%
18 Backdoor.Death 0.1%
19 IIS-Worm.CodeRed
0.1%
20 Backdoor.Osirdoor 0.1%

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