The Virus Top Twenty - June 2003

01 Jul 2003
Virus News


Kaspersky Lab presents the Virus Top 20 for the month of June 2003. The percentage shown represents the percentage of registered incidences.
PositionVirusPercentage by Occurrence
1I-Worm.Lentin32.48%
2I-Worm.Klez17.69%
3I-Worm.Tanatos16.91%
4I-Worm.Sobig12.01%
5Macro.Word97.Saver1.17%
6Macro.Word97.Thus1.00%
7VBS.Redlof 0.73%
8I-Worm.Ganda0.53%
9Backdoor.Beastdoor0.31%
10Win95.CIH0.29%
11Backdoor.Assasin0.28%
12Backdoor.Optix0.22%
13Backdoor.SdBot.gen0.21%
14I-Worm Hybris0.20%
15Win32.Parite0.20%
16 I-Worm.Avron0.20%
17I-Worm Hawawi0.15%
18Backdoor.Death0.15%
19I-Worm.Mapson0.14%
20Backdoor.IRC.Zcrew0.14%
Other Malicious Programs*23.35%

*not included in the Top 20 Malicious Program Types