| Threat Alias | Number of Incidents |
| PE_Chir.B [Trend Micro] | 99 |
| W32/Chir-B [Sophos] | 99 |
| W32/Chir.b@MM [McAfee] | 98 |
| Email-Worm.Win32.Runouce.b [Kaspersky Lab] | 97 |
| Virus:Win32/Chir.B@mm [Microsoft] | 88 |
| W32.Chir.B@mm [Symantec] | 75 |
| I-Worm.Chir.B [PC Tools] | 63 |
| Email-Worm.Win32.Runouce [Ikarus] | 45 |
| W32.SillyFDC [Symantec] | 9 |
| Email-Worm.Win32.Runouce.B [Ikarus] | 7 |
| Backdoor.Bifrose.EZC [PC Tools] | 5 |
| Backdoor.Win32.Bifrose [Ikarus] | 4 |
| Trojan.Crypt [Ikarus] | 4 |
| Trojan-Banker.Win32.Banker [Ikarus] | 4 |
| Win32.Virut.Gen.5 [PC Tools] | 4 |
| Worm.AutoIT.V [PC Tools] | 4 |
| Trojan.Win32.Midgare [Ikarus] | 3 |
| Virus.Win32.Bifrose [Ikarus] | 3 |
| Trojan.Agent.VYJ [PC Tools] | 2 |
| Trojan.Autoit [Ikarus] | 2 |
| Trojan.Midgare.hhn [PC Tools] | 2 |
| Trojan.Win32.Agent [Ikarus] | 2 |
| Trojan.Win32.VB [Ikarus] | 2 |
| Trojan-Dropper.Delf [Ikarus] | 2 |
| Virus.Win32.AutoRun.vc [Ikarus] | 2 |
| Virus:Win32/Virut.K [Microsoft] | 2 |
| Virus:Win32/Virut.L [Microsoft] | 2 |
| W32.Imaut [Symantec] | 2 |
| W32.Rajump [Symantec] | 2 |
| W32.SillyDC [Symantec] | 2 |
| Email-Worm.Win32.Generic [Ikarus] | 1 |
| Generic.dx [McAfee] | 1 |
| I-Worm.Rays.F [PC Tools] | 1 |
| Trojan.Agent.ECMZ [PC Tools] | 1 |
| Trojan.DL.AutoIt.DO [PC Tools] | 1 |
| Trojan.Hider.G [PC Tools] | 1 |
| Trojan.VB.EPP [PC Tools] | 1 |
| Trojan.Win32.Crypt [Ikarus] | 1 |
| Trojan:Win32/VB.HO [Microsoft] | 1 |
| Trojan-Dropper.Win32.Autoit [Ikarus] | 1 |
| Trojan-Dropper.Win32.Delf [Ikarus] | 1 |
| Trojan-Dropper.Win32.Malf [Ikarus] | 1 |
| Trojan-Spy.Win32.Banbra [Ikarus] | 1 |
| Virus.W32.Sality [Ikarus] | 1 |
| Virus.Win32.Agent.OYJ [Ikarus] | 1 |
| Virus.Win32.AutoRun.jq [Ikarus] | 1 |
| Virus.Win32.Folcom.b [Kaspersky Lab] | 1 |
| Virus.Win32.Hakaglan [Ikarus] | 1 |
| Virus.Win32.VB.KZ [Ikarus] | 1 |
| Virus.Worm.Win32.AutoRun.doq [Ikarus] | 1 |
| Virus:Win32/Virut.AP [Microsoft] | 1 |
| Virus:Win32/Virut.D [Microsoft] | 1 |
| W32.Gobi [Symantec] | 1 |
| W32.Imaut.N [Symantec] | 1 |
| W32.Imaut.U [Symantec] | 1 |
| W32.Mikbaland [Symantec] | 1 |
| W32.Traxg@mm [Symantec] | 1 |
| Win32.Sality.AA.Gen [PC Tools] | 1 |
| Win32.Virut.Gen [PC Tools] | 1 |
| Worm.Autoit.DU [PC Tools] | 1 |
| Worm.AutoIt.S [PC Tools] | 1 |
| Worm.Autorun.ADR [PC Tools] | 1 |
| Worm.Hakaglan.B [PC Tools] | 1 |
| Worm.Win32.VB [Ikarus] | 1 |