Top 20 malicious programs.

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The table below provides data about the most common malicious programs among all infected objects detected on users' computers. The majority of the programs listed below have file-infection capabilities.

1 Virus.Win32.Xorer.du

2 Net-Worm.Win32.Nimda

3 Worm.Win32.Mabezat.b

4 Virus.Win32.Alman.b

5 Virus.Win32.Sality.aa

6 Virus.Win32.Parite.b

7 Virus.Win32.Virut.n

8 Virus. Win32. Small.l

9 Virus.Win32.Virut.q

10 Virus.Win32.Parite.a

11 Email-Worm.Win32.Runouce.b

12 Virus.Win32.Sality.s

13 Virus.Win32.Hidrag.a

14 Virus.Win32.Sality.z

15 Trojan.Win32.Obfuscated.gen

16 Worm.Win32.Fujack.k

17 Virus.Win32.Tenga.a

18 Trojan-Downloader.WMA.GetCodec.d

19 Worm.VBS.Headtail.a

20 Virus.Win32.Sality.q

Nimda, which unexpectedly claimed first place in August, has fallen to second, making way for its nearest rival, the Xorer.du file virus.

September saw yet another member of the Sality...

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