| Threat Alias | Number of Incidents |
| Backdoor.Graybird [Symantec] | 1,100 |
| Backdoor:Win32/Hupigon [Microsoft] | 487 |
| Backdoor.Hupigon.GEN [PC Tools] | 336 |
| Backdoor.Hupigon!sd5 [PC Tools] | 292 |
| BKDR_HUPIGON.GEN [Trend Micro] | 285 |
| Backdoor.Win32.Hupigon.emb [Kaspersky Lab] | 276 |
| Backdoor.Trojan [Symantec] | 233 |
| Backdoor.Win32.Hupigon.avg [Kaspersky Lab] | 196 |
| BKDR_HUPIGON.BRH [Trend Micro] | 196 |
| VirTool.Win32.DelfInject [Ikarus] | 187 |
| Backdoor.Win32.Hupigon [Ikarus] | 183 |
| Mal/EncPk-AP [Sophos] | 169 |
| Backdoor.Win32.Hupigon.cdc [Kaspersky Lab] | 145 |
| Troj/GrayBrd-CQ [Sophos] | 145 |
| Backdoor.Hupigon.AKGE [PC Tools] | 144 |
| Backdoor.Win32.Hupigon.avh [Kaspersky Lab] | 144 |
| Virus.Win32.AutoRun.k [Kaspersky Lab] | 132 |
| BKDR_HUPIGON.CVT [Trend Micro] | 128 |
| Packed.Win32.NSAnti.b [Kaspersky Lab] | 123 |
| WORM_AGENT.SPS [Trend Micro] | 96 |
| BKDR_HUPIGON.PW [Trend Micro] | 84 |
| TROJ_SPAMBOT.B [Trend Micro] | 72 |
| Mal/Generic-A [Sophos] | 67 |
| Mal/Behav-053 [Sophos] | 64 |
| Win-Trojan/Hupigon.56832.D [AhnLab] | 60 |
| Backdoor.Hupigon [PC Tools] | 57 |
| Win-Trojan/Hupigon.591360.CH [AhnLab] | 57 |
| Backdoor.Bifrose.FOL [PC Tools] | 56 |
| Mal/DSpy-B [Sophos] | 56 |
| Win-Trojan/Hupigon.52736.M [AhnLab] | 56 |
| Backdoor.Agent.ADIO [PC Tools] | 48 |
| Backdoor.Win32.Hupigon.dsx [Kaspersky Lab] | 37 |
| MalwareScope.Backdoor.Hupigon.5 [Ikarus] | 36 |
| W32/Colit-A [Sophos] | 36 |
| Worm.Win32.AutoRun.yq [Kaspersky Lab] | 36 |
| Troj/GrayBrd-CD [Sophos] | 33 |
| VirTool:Win32/DelfInject.gen!L [Microsoft] | 33 |
| Backdoor.Graybird!Gen [Symantec] | 32 |
| Trojan.Patched.BH [Ikarus] | 31 |
| Backdoor.Win32.Hupigon.fwhy [Kaspersky Lab] | 30 |
| Troj/Agent-HIP [Sophos] | 30 |
| Virus.Win32.Hupigon.EA [Ikarus] | 29 |
| Generic.dx [McAfee] | 27 |
| Trojan Horse [Symantec] | 26 |
| MalwareScope.Backdoor.Hupigon [Ikarus] | 25 |
| Win-Trojan/Hupigon.287744.CH [AhnLab] | 25 |
| Win-Trojan/Hupigon.61440.O [AhnLab] | 24 |
| BKDR_HUPIGON.EWE [Trend Micro] | 23 |
| Mal/Packer [Sophos] | 23 |
| Backdoor.Win32.Hupigon.axbr [Kaspersky Lab] | 22 |
| Win-Trojan/Hupigon.698368.D [AhnLab] | 22 |
| Backdoor.Hupigon!sd6 [PC Tools] | 20 |
| BKDR_HUPIGON.ABU [Trend Micro] | 20 |
| Win-Trojan/Xema.variant [AhnLab] | 20 |
| Trojan.Dropper [Symantec] | 19 |
| Virus.Win32.Hupigon.AMD [Ikarus] | 18 |
| Adware.Agent.ZTL [PC Tools] | 17 |
| Troj/BHODLL-C [Sophos] | 16 |
| Backdoor.Graybird.GEN [PC Tools] | 15 |
| Backdoor:Win32/Yewbmoat.gen [Microsoft] | 15 |
| Mal/Behav-058 [Sophos] | 15 |
| VirTool:Win32/DelfInject.gen!X [Microsoft] | 15 |
| not-a-virus:AdWare.Win32.BHO.bnb [Kaspersky Lab] | 14 |
| Backdoor.Win32.Hupigon.eqzg [Kaspersky Lab] | 12 |
| Downloader [Symantec] | 12 |
| Trojan-PWS.Win32.QQPass [Ikarus] | 12 |
| VirTool:Win32/DelfInject [Microsoft] | 12 |
| W32.Koobface.A [Symantec] | 12 |
| Win32/Autorun.worm.5120 [AhnLab] | 12 |
| Win-Trojan/Hupigon.12024764 [AhnLab] | 12 |
| Win-Trojan/Hupigon.761344.B [AhnLab] | 12 |
| WORM_AUTORUN.SA [Trend Micro] | 12 |
| Backdoor.Win32.HacDef.073.B [Ikarus] | 11 |
| Backdoor:Win32/Hupigon.gen!B [Microsoft] | 11 |
| Trojan-Dropper.Delf [Ikarus] | 11 |
| Backdoor:Win32/Poison.Y [Microsoft] | 10 |
| not-a-virus:AdWare.Win32.BHO [Ikarus] | 10 |
| Win-Trojan/Hupigon.Gen [AhnLab] | 10 |
| Backdoor.Graybird.K [Symantec] | 9 |
| Backdoor.Win32.Hupigon.ffs [Kaspersky Lab] | 9 |
| Backdoor.Win32.VB.jrm [Kaspersky Lab] | 9 |
| Backdoor:Win32/Hupigon.gen [Microsoft] | 9 |
| BKDR_HUPIGON.ALU [Trend Micro] | 9 |
| BKDR_HUPIGON.IX [Trend Micro] | 9 |
| TROJ_AGENT.ALKB [Trend Micro] | 9 |
| Worm.AutoRun!sd6 [PC Tools] | 9 |
| Backdoor.Graybird!sd6 [PC Tools] | 8 |
| Backdoor.Hupigon.A!ct [PC Tools] | 8 |
| Troj/CDur-Gen [Sophos] | 8 |
| BKDR_HUPIGON.EVG [Trend Micro] | 7 |
| BKDR_HUPIGON.FVR [Trend Micro] | 7 |
| Infostealer.Gampass [Symantec] | 7 |
| Mal/Emogen-N [Sophos] | 7 |
| Trojan:Win32/Tibs.IT [Microsoft] | 7 |
| Trojan-Downloader.Win32.Delf.aup [Ikarus] | 7 |
| Trojan-Dropper.Agent [Ikarus] | 7 |
| TrojanDropper:Win32/Delf.DV [Microsoft] | 7 |
| W32.SillyFDC [Symantec] | 7 |
| Backdoor [Ikarus] | 6 |
| Backdoor.Rbot [Ikarus] | 6 |