| Threat Alias | Number of Incidents |
| PE_VIRUT.YE [Trend Micro] | 24 |
| W32/Virut.i [McAfee] | 22 |
| Win32.Virut.Gen.4 [PC Tools] | 22 |
| Virus:Win32/Virut.P [Microsoft] | 10 |
| W32/Vetor-G [Sophos] | 10 |
| W32.Virut.W [Symantec] | 6 |
| Win32/Virut.B [AhnLab] | 6 |
| Bloodhound.Unknown [Symantec] | 5 |
| W32.Sality.W [Symantec] | 2 |
| W32.SillyDC [Symantec] | 2 |
| Backdoor.Win32.Hupigon [Ikarus] | 1 |
| Bloodhound.W32.1 [Symantec] | 1 |
| Email-Worm.Win32.Runouce [Ikarus] | 1 |
| Trojan.Hider.G [PC Tools] | 1 |
| VirTool.Win32.DelfInject [Ikarus] | 1 |
| Virus.Trojan.Win32.Obfuscated [Ikarus] | 1 |
| W32.Chir.B@mm [Symantec] | 1 |
| W32.Gammima.AG [Symantec] | 1 |
| W32.Sality.U [Symantec] | 1 |
| W32.Sality.X [Symantec] | 1 |
| W32.SillyFDC [Symantec] | 1 |
| Worm.Poebot.GZ [PC Tools] | 1 |