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The Virus Top Twenty - July 2003

01 Aug
Virus News

Kaspersky Lab presents the Virus Top 20 for the month of July 2003. The percentage shown represents the percentage of registered incidences.

Position	Virus	Percentage by Occurrence
1	I-Worm.Tanatos	8,60%
2	I-Worm.Sobig	6,56%
3	I-Worm.Lentin	4,15%
4	I-Worm.Klez	3,59%
5	Macro.Word97.Saver	2,37%
6	TrojanDropper.JS.Mimail	1,50%
7	Macro.Word97.Thus	1,48%
8	VBS.Redlof	0,97%
9	I-Worm.Ganda	0,89%
10	Backdoor.SdBot	0,58%
11	Macro.Word97.Flop	0,48%
12	Win32.Parite	0,46%
13	Backdoor.Optix.Pro	0,43%
14	Backdoor.Beastdoor	0,42%
15	I-Worm.Avron	0,41%
16	Worm.P2P.SpyBot	0,38%
17	I-Worm.Gibe	0,37%
18	I-Worm.Hybris	0,37%
19	Backdoor.Death	0,32%
20	Macro.Word97.Marker	0,26%
Other Malicious Programs*		65,39%
*not included in the Top 20

Malicious Program Types