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The Virus Top Twenty - February 2003

3 March 2003

Kaspersky Lab presents the Virus Top 20 for the month of Februrary, 2003. The percentage shown represents the percentage of registered incidences.
positionviruspercentage by occurrence
1I-Worm.Klez29.67%
2I-Worm.Sobig8.81%
3I-Worm.Lentin7.04%
4Macro.Word97.Thus3.12%
5I-Worm.Avron3.00%
6I-Worm.Roron2.87%
7I-Worm.Hybris2.49%
8I-Worm.Tanatos1.30%
9Macro.Word97.Flop0.98%
10Macro.Word97.Saver0.78%
11Win95.CIH0.71%
12Worm.Win32.Opasoft0.69%
13Win95.Spaces0.76%
14Backdoor.Mosuck0.58%
15Backdoor.Antilam0.57%
16VBS.Redlof0.53%
17I-Worm.Stator0.53%
18Macro.Word97.Melissa0.52%
19Backdoor.Optix.Pro0.51%
20Macro.Word97.VMPC0.50%
Other Malicious Programs*34.18%

*not included in the Top 20

The Virus Top Twenty - February 2003

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