| Threat Alias | Number of Incidents |
| Trojan.Win32.Regrun.pc [Kaspersky Lab] | 71 |
| Virus.Trojan.Win32.Regrun.pc [Ikarus] | 68 |
| Mal/Behav-058 [Sophos] | 61 |
| Trojan.Regrun.pc [PC Tools] | 57 |
| Virus.Win32.Hupigon.AMD [Ikarus] | 57 |
| Win-Trojan/Regrun.176128 [AhnLab] | 54 |
| Mal/Behav-328, Mal/Inject-K, Mal/Behav-053 [Sophos] | 52 |
| Spam-Mailbot!hv.a [McAfee] | 51 |
| BackDoor-AWQ.b [McAfee] | 33 |
| Backdoor.Graybird [Symantec] | 29 |
| Trojan Horse [Symantec] | 29 |
| Backdoor.Trojan [Symantec] | 28 |
| Backdoor.Hupigon [PC Tools] | 24 |
| Generic.dx [McAfee] | 21 |
| Mal/Behav-053 [Sophos] | 19 |
| Mal/Generic-A [Sophos] | 19 |
| Mal/Dropper-G [Sophos] | 17 |
| Trojan.Win32.Pakes.mmp [Kaspersky Lab] | 17 |
| Trojan-Downloader.Win32.Delf.CQ [Ikarus] | 16 |
| Backdoor.Win32.Hupigon.axbr [Kaspersky Lab] | 15 |
| Mal/Packer [Sophos] | 15 |
| Generic Dropper [McAfee] | 14 |
| Suspicious.MH690 [Symantec] | 13 |
| Backdoor.Hupigon!sd6 [PC Tools] | 12 |
| VirTool.Win32.DelfInject [Ikarus] | 12 |
| Trojan-Dropper.Delf [Ikarus] | 11 |
| Backdoor.Win32.Hupigon [Ikarus] | 10 |
| W32.Fubalca.E [Symantec] | 10 |
| Backdoor.Rbot [Ikarus] | 9 |
| BackDoor-AWQ [McAfee] | 9 |
| Downloader [Symantec] | 9 |
| IRC Trojan [Symantec] | 9 |
| Mal/CryptBox-A [Sophos] | 9 |
| W32.Versie.A [Symantec] | 9 |
| Win-Trojan/Hupigon.Gen [AhnLab] | 9 |
| Generic PUP.x [McAfee] | 8 |
| W32.SillyFDC [Symantec] | 8 |
| Backdoor.Bifrose [Symantec] | 7 |
| BackDoor-AWQ.b.gen.i [McAfee] | 7 |
| HackTool.Win32.Agent [Ikarus] | 7 |
| HackTool.Win32.Agent.cr [Kaspersky Lab] | 7 |
| Backdoor.Hupigon [Ikarus] | 6 |
| Backdoor.Win32.Hupigon.enkw [Kaspersky Lab] | 6 |
| BackDoor-CEP [McAfee] | 6 |
| Trojan.Agent.ASDJ [PC Tools] | 6 |
| Backdoor.Win32.Hupigon.epky [Kaspersky Lab] | 5 |
| BackDoor-AWQ.b.gen [McAfee] | 5 |
| New Malware.dz [McAfee] | 5 |
| Virus.Win32.Hupigon.LUP [Ikarus] | 5 |
| W32/Autorun.worm.f [McAfee] | 5 |
| Win-Trojan/Injector.34304 [AhnLab] | 5 |
| Backdoor.Bifrose.ABA [PC Tools] | 4 |
| Backdoor.Graybird!Gen [Symantec] | 4 |
| Backdoor.Graybird.GEN [PC Tools] | 4 |
| Backdoor.Win32.Bifrose.agn [Kaspersky Lab] | 4 |
| Backdoor.Win32.Hupigon.btwt [Kaspersky Lab] | 4 |
| Backdoor.Win32.Hupigon.edai [Kaspersky Lab] | 4 |
| Backdoor.Win32.Hupigon.erpx [Kaspersky Lab] | 4 |
| Backdoor.Win32.Hupigon.gmvf [Kaspersky Lab] | 4 |
| BehavesLikeTrojan [Ikarus] | 4 |
| Generic BackDoor [McAfee] | 4 |
| Infostealer.Gampass [Symantec] | 4 |
| Mal/Behav-058, Mal/DSpy-B, Mal/Behav-157 [Sophos] | 4 |
| Mal/Dropper-AB [Sophos] | 4 |
| Mal/EncPk-BO [Sophos] | 4 |
| New Malware.jn [McAfee] | 4 |
| P2P-Worm.Win32.Palevo [Ikarus] | 4 |
| P2P-Worm.Win32.Palevo.ohb [Kaspersky Lab] | 4 |
| Packed.Win32.Black.a [Kaspersky Lab] | 4 |
| Troj/FakeAV-AQM [Sophos] | 4 |
| Troj/Hupigon-TG [Sophos] | 4 |
| TROJ_HUPIGON.DRJ [Trend Micro] | 4 |
| Trojan.Win32.Delf.kvq [Kaspersky Lab] | 4 |
| Trojan-Downloader.Win32.Injecter [Ikarus] | 4 |
| W32/Autorun.worm.zg [McAfee] | 4 |
| W32/AutoRun-NZ [Sophos] | 4 |
| W32/Xirtem@MM [McAfee] | 4 |
| Win-Trojan/Hupigon.278124 [AhnLab] | 4 |
| Win-Trojan/Hupigon.709120.FX [AhnLab] | 4 |
| Win-Trojan/InfoStealer.137728 [AhnLab] | 4 |
| Win-Trojan/Pakes.151552.G [AhnLab] | 4 |
| Worm.Win32.AutoRun [Ikarus] | 4 |
| Worm.Win32.AutoRun.uhr [Kaspersky Lab] | 4 |
| Backdoor.Graybird [PC Tools] | 3 |
| Backdoor.Win32.Gobot [Ikarus] | 3 |
| Backdoor.Win32.HacDef.073.B [Ikarus] | 3 |
| Backdoor.Win32.Hupigon.axbs [Kaspersky Lab] | 3 |
| Backdoor.Win32.Hupigon.dhxj [Kaspersky Lab] | 3 |
| Backdoor.Win32.SdBot [Ikarus] | 3 |
| BKDR_HUPIGON.TON [Trend Micro] | 3 |
| Infostealer [Symantec] | 3 |
| Mal/Emogen-N, Mal/Behav-058 [Sophos] | 3 |
| Mal/EncPk-CT [Sophos] | 3 |
| Mal/Inject-K, Mal/Dropper-G [Sophos] | 3 |
| Spam-Mailbot.o [McAfee] | 3 |
| Trojan.Delfinject.Gen.3 [PC Tools] | 3 |
| Trojan.Win32.Regrun.pv [Kaspersky Lab] | 3 |
| Trojan.Win32.StartPage [Ikarus] | 3 |
| W32/Hupigon.worm [McAfee] | 3 |
| Win-Trojan/Agent.52224.DF [AhnLab] | 3 |