Kaspersky Labs presents the Virus Top 20 for the month of August 2003.
The percentage shown represents the percentage of registered incidences.
Position | Virus | Percentage by Occurrence |
---|
1
I-Worm.Sobig
61.49%
2
I-Worm.Mimail
4.06%
3
I-Worm.Tanatos
3.49%
4
Worm.Win32.Lovesan
3.17%
5
I-Worm.Klez
1.09%
6
I-Worm.Lentin 0.67%
7
Worm.P2P.SpyBot
0.66%
8
Macro.Word97.Thus
0.60%
9
Macro.Word97.Saver
0.60%
10
Backdoor.BeastDoor
0.50%
11
Backdoor.SdBot
0.48%
12
Win32.Parite
0.41%
13
VBS.Redlof
0.36%
14
Backdoor.Optix.Pro
0.29%
15
I-Worm.Roron
0.25%
16
TrojanDropper.Win32.Freshbind
0.22%
17
Worm.Win32.Muma
0.20%
18
Win32.Xorala
0.19%
19
Worm.Win32.Welchia
0.19%
20
I-Worm.Gibe
0.19%
Other Malicious Programs*
20.86%
*not included in the Top 20
The Virus Top Twenty – August 2003