| Threat Alias | Number of Incidents |
| W32.Virut.U [Symantec] | 32 |
| Virus.Win32.Virut.n [Kaspersky Lab] | 30 |
| Win32.Virut.Gen.5 [PC Tools] | 30 |
| Virus:Win32/Virut.AF [Microsoft] | 29 |
| PE_VIRUT.XL [Trend Micro] | 27 |
| W32/Vetor-A [Sophos] | 27 |
| W32/Virut.gen [McAfee] | 23 |
| PWS-Gamania.gen.a [McAfee] | 3 |
| Virus.Win32.Virut.q [Kaspersky Lab] | 3 |
| Generic FakeAlert.d [McAfee] | 2 |
| Mal_NSAnti-1 [Trend Micro] | 2 |
| Backdoor:Win32/Bifrose.gen!B [Microsoft] | 1 |
| Backdoor:Win32/Bifrose.gen!C [Microsoft] | 1 |
| Generic BackDoor.j [McAfee] | 1 |
| Generic PWS.ak [McAfee] | 1 |
| Mal/Bifrose-S [Sophos] | 1 |
| Mal/EncPk-IG [Sophos] | 1 |
| PE_LUDER.CH [Trend Micro] | 1 |
| PWS-Gamania.gen.c [McAfee] | 1 |
| Troj/Luder-A [Sophos] | 1 |
| Trojan.DR.Small.UPY [PC Tools] | 1 |
| Virus:Win32/Luder.B [Microsoft] | 1 |
| Virus:Win32/Virut.K [Microsoft] | 1 |
| W32.Gammima.AG [Symantec] | 1 |
| W32.SillyDC [Symantec] | 1 |
| W32/VB-DZT [Sophos] | 1 |
| W32/Virut.remnants [McAfee] | 1 |
| Win-Trojan/Agent.108083 [AhnLab] | 1 |
| Win-Trojan/Bifrose.1290240 [AhnLab] | 1 |
| Win-Trojan/Bifrose.27517 [AhnLab] | 1 |
| Worm.Win32.AutoRun.cts [Kaspersky Lab] | 1 |
| Worm:Win32/Taterf.B [Microsoft] | 1 |