The Virus Top Twenty - April 2003

08 May 2003
Virus News


Kaspersky Lab presents the Virus Top 20 for the month of April, 2003. The percentage shown represents the percentage of registered incidences.
positionviruspercentage by occurrence
1I-Worm.Klez20.11%
2I-Worm.Lentin17.91%
3I-Worm.Ganda0.76%
4Trojan.PSW.M20.69%
5Win95.CIH0.67%
6Macro.Word97.Thus0.56%
7Trojan.PSW.MiniLD0.56%
8PS-MPS-based0.52%
9Backdoor.IRC.Zcrew0.47%
10Macro.Word97.VMPC-based0.47%
11Mnemonix.Oracle0.47%
120.44%
13BW-based0.43%
14Win95.Spaces0.41%
15Win32.HLLP.Hantaner0.40%
16I-Worm.Tanatos0.39%
17BackDoor.SubSeven0.38%
18Backdoor.SdBot.gen0.37%
19I-Worm.Sobig0.32%
20 VBS.Redlof0.31%
Other Malicious Programs*53.35%%

*not included in the Top 20