The Virus Top Twenty – June 2003

 

The percentage shown represents the percentage of registered incidences.

Position Virus Percentage by Occurrence

1

I-Worm.Lentin
32.48%

2
I-Worm.Klez
17.69%

3
I-Worm.Tanatos
16.91%

4
I-Worm.Sobig
12.01%

5
Macro.Word97.Saver
1.17%

6
Macro.Word97.Thus
1.00%

7
<!–!–>VBS.Redlof
0.73%

8
I-Worm.Ganda
0.53%

9
<!–!–>Backdoor.Beastdoor
0.31%

10
Win95.CIH
0.29%

11
<!–!–>Backdoor.Assasin
0.28%

12
<!–!–>Backdoor.Optix
0.22%

13
<!–!–>Backdoor.SdBot.gen
0.21%

14
I-Worm Hybris
0.20%

15
Win32.Parite
0.20%

16
I-Worm.Avron
0.20%

17
<!–!–>I-Worm Hawawi
0.15%

18
<!–!–>Backdoor.Death
0.15%

19
I-Worm.Mapson
0.14%

20
Backdoor.IRC.Zcrew
0.14%

Other Malicious Programs*
53.35%

*not included in the Top 20

Malicious Program Types

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