| Threat Alias | Number of Incidents |
| PE_VIRUT.AV [Trend Micro] | 135 |
| W32/Virut-W [Sophos] | 135 |
| Virus.Win32.Virut.av [Kaspersky Lab] | 132 |
| W32/Virut.gen.a [McAfee] | 130 |
| Win32.Virut.Gen.4 [PC Tools] | 123 |
| Virus:Win32/Virut.AC [Microsoft] | 119 |
| W32.Virut.W [Symantec] | 117 |
| Win32/Virut.B [AhnLab] | 86 |
| Backdoor.Sdbot [Symantec] | 7 |
| Worm:Win32/Neeris.AN [Microsoft] | 7 |
| Backdoor:Win32/Poebot.BG [Microsoft] | 3 |
| W32.Spybot.Worm [Symantec] | 3 |
| Virus.Win32.Virut.n [Kaspersky Lab] | 2 |
| New Malware.bx [McAfee] | 1 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 1 |
| Virus:Win32/Virut.BM [Microsoft] | 1 |
| W32.Gammima.AG [Symantec] | 1 |
| W32.IRCBot [Symantec] | 1 |
| W32.Ircbrute [Symantec] | 1 |
| W32.SillyFDC [Symantec] | 1 |
| W32.Virut.CF [Symantec] | 1 |
| W32/Autorun.worm.eb [McAfee] | 1 |
| W32/Nachi.worm.a [McAfee] | 1 |
| W32/Scribble-A [Sophos] | 1 |
| Win32.Virut.Gen [PC Tools] | 1 |
| Worm.Padobot.B [PC Tools] | 1 |
| Worm.Poebot.KC [PC Tools] | 1 |
| Worm.Win32.AutoRun.qap [Kaspersky Lab] | 1 |
| Worm.Win32.Nachi [PC Tools] | 1 |
| Worm:Win32/DuiskBot.E [Microsoft] | 1 |