The Virus Top Twenty – Februrary 2003

Malware reports

03 Mar 2003

minute read

Authors

GReAT

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

Authors

GReAT

The Virus Top Twenty – Februrary 2003

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