The Virus Top Twenty – Februrary 2003

Kaspersky Labs presents the Virus Top 20 for the month of Februrary, 2003.

The percentage shown represents the percentage of registered incidences.

 

position virus percentage by occurrence
1 I-Worm.Klez 29.67%
2 I-Worm.Sobig 8.81%
3 I-Worm.Lentin 7.04%
4 Macro.Word97.Thus 3.12%
5 I-Worm.Avron 3.00%
6 I-Worm.Roron 2.87%
7 I-Worm.Hybris 2.49%
8 I-Worm.Tanatos 1.30%
9 Macro.Word97.Flop 0.98%
10 Macro.Word97.Saver 0.78%
11 Win95.CIH 0.71%
12 Worm.Win32.Opasoft 0.69%
13 Win95.Spaces 0.76%
14 <!–!–>Backdoor.Mosuck 0.58%
15 Backdoor.Antilam 0.57%
16 <!–!–>VBS.Redlof 0.53%
17 I-Worm.Stator 0.53%
18 Macro.Word97.Melissa 0.52%
19 <!–!–>Backdoor.Optix.Pro 0.51%
20 <!–!–>Macro.Word97.VMPC 0.50%
Other Malicious Programs* 34.18%

*not included in the Top 20

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