The Virus Top Twenty for September 2001

01 Oct 2001
Virus News

positionviruspercentage by occurrence
1I-Worm.Sircam 53.5 %
2I-Worm.Hybris.b 18.5%
3 I-Worm.Nimda3.6%
4I-Worm.Magistr 2.6%
5I-Worm.HappyTime 1.3%
6 JS.Trojan.Seeker-based1.2%
7I-Worm.Magistr.b1.1%
8Worm.Hai0.7%
9I-Worm.Roach0.4%
10I-Worm.Hybris.d 0.3%
11I-Worm.MTX 0.3%
12Trojan.PSW.Unite.d 0.3%
13I-Worm.Apost 0.3%
14I-Worm.Hybris.gen 0.2%
15Backdoor.IRC.Critical0.2%
16I-Worm.LoveLetter0.2%
17Trojan.PSW.Coced.236.e 0.2%
18PS-MPC-based 0.2%
19Trojan.Win32.VirtualRoot0.2%
20Macro.Office.Toraja.b0.2%