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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
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The Virus Top Twenty – Februrary 2003