Kaspersky Labs presents the Virus Top 20 for the month of May, 2003.
The percentage shown represents the percentage of registered incidences.
Position | Virus | Percentage by Occurrence |
---|
1
I-Worm.Sobig
21.87%
2
I-Worm.Lentin
15.95%
3
I-Worm.Klez
15.39%
4
I-Worm.Fizzer
0.67%
5
I-Worm.Roron
0.51%
6
Worm.Win32.Randon
0.38%
7
I-Worm.Ganda
0.28%
8
Macro.Word97.Thus
0.28%
9
<!–!–>Backdoor.Assasin
0.24%
10
I-Worm.Tanatos
0.21%
11
<!–!–>Backdoor.Optix
0.20%
12
Backdoor.IRC.Zcrew
0.19%
13
Win32.Parite
0.17%
14
Win32.FunLove
0.17%
15
<!–!–>Backdoor.IRC.Flood
0.16%
16
<!–!–>TrojanDropper.JS.Mimail
0.16%
17
<!–!–>VBS.Redlof
0.15%
18
<!–!–>Backdoor.IRC.mIRC-based
0.14%
19
<!–!–>Backdoor.SdBot.gen
0.12%
20
<!–!–>TrojanDownloader.Win32.Swizzor
0.12%
Other Malicious Programs*
42.66%
*not included in the Top 20
Malicious Program Types
The Virus Top Twenty – May 2003