| Threat Alias | Number of Incidents |
| not-a-virus:NetTool.Win32.Agent.b [Kaspersky Lab] | 95,195 |
| Hacktool [Symantec] | 94,958 |
| Trojan:Win32/Pepatch.E [Microsoft] | 88,692 |
| Trojan-Downloader.Agent.AEN [PC Tools] | 73,505 |
| Mal/Packer, Mal/EncPk-AI [Sophos] | 47,237 |
| Mal/EncPk-AI [Sophos] | 42,175 |
| Generic Malware.bc [McAfee] | 26,510 |
| Mal_MLWR-5 [Trend Micro] | 24,825 |
| Trojan-Dropper.Agent [Ikarus] | 24,102 |
| Virus.Win32.Virtualizer [Ikarus] | 13,737 |
| Generic Dropper.ex [McAfee] | 8,917 |
| not-a-virus:NetTool.Win32.Agent.b [Ikarus] | 6,507 |
| Backdoor.Win32.Popwin [Ikarus] | 4,579 |
| Trojan-PWS.Win32.Maran [Ikarus] | 2,892 |
| not-a-virus:NetTool.Win32.Agent [Ikarus] | 2,651 |
| Win-Trojan/HackTool.13531 [AhnLab] | 2,410 |
| Mal/EncPk-AI, Mal/Packer [Sophos] | 1,205 |
| TROJ_NSPM.RD [Trend Micro] | 964 |
| Packed/NSPack [PC Tools] | 761 |
| Backdoor.Win32.Popwin.beg [Ikarus] | 723 |
| Backdoor.Graybird [Symantec] | 414 |
| Backdoor:Win32/Hupigon [Microsoft] | 89 |
| Backdoor.Hupigon.GEN [PC Tools] | 72 |
| Backdoor.Trojan [Symantec] | 62 |
| Backdoor.Win32.Hupigon [Ikarus] | 59 |
| BKDR_HUPIGON.EVG [Trend Micro] | 53 |
| BKDR_HUPIGON.GEN [Trend Micro] | 49 |
| Backdoor.Graybird!Gen [Symantec] | 46 |
| Backdoor.Hupigon!sd5 [PC Tools] | 45 |
| Backdoor.Win32.Hupigon.emk [Kaspersky Lab] | 45 |
| Mal/Generic-A [Sophos] | 39 |
| Mal/Packer [Sophos] | 38 |
| BKDR_HUPIGON.CCS [Trend Micro] | 36 |
| Backdoor.Hupigeon [Symantec] | 29 |
| Backdoor.Graybird.GEN [PC Tools] | 28 |
| Trojan Horse [Symantec] | 28 |
| Backdoor.Win32.Hupigon.dkl [Kaspersky Lab] | 25 |
| Worm.PoeBot.KV [PC Tools] | 25 |
| BKDR_HUPIGON.JSF [Trend Micro] | 22 |
| W32.IRCBot [Symantec] | 21 |
| BKDR_VANBOT.NM [Trend Micro] | 20 |
| Backdoor.Hupigon [Ikarus] | 17 |
| Backdoor.Win32.Hupigon.ffu [Kaspersky Lab] | 17 |
| Packed.Win32.Klone.af [Kaspersky Lab] | 17 |
| Backdoor.Win32.Hupigon.atoe [Kaspersky Lab] | 16 |
| Backdoor.Win32.Hupigon.avi [Kaspersky Lab] | 16 |
| Backdoor.Win32.Hupigon.bjxn [Kaspersky Lab] | 16 |
| Backdoor.Win32.VanBot.dt [Kaspersky Lab] | 16 |
| BKDR_HUPIGON.ALU [Trend Micro] | 16 |
| BKDR_HUPIGON.VEM [Trend Micro] | 16 |
| Adware.eZula [PC Tools] | 15 |
| Mal/Behav-053 [Sophos] | 15 |
| Backdoor.Win32.Hupigon.mhp [Kaspersky Lab] | 13 |
| Backdoor.Win32.Hupigon.nqr [Kaspersky Lab] | 13 |
| Cryp_Pai-6 [Trend Micro] | 13 |
| Mal/GrayBird-B, Mal/Behav-043, Mal/Emogen-E [Sophos] | 13 |
| Backdoor.Win32.Hupigon.emb [Kaspersky Lab] | 12 |
| BKDR_HUPIGON.FVR [Trend Micro] | 12 |
| Backdoor.Graybird!sd6 [PC Tools] | 11 |
| Backdoor.Win32.Hupigon.ccc [Kaspersky Lab] | 11 |
| Backdoor.Win32.Hupigon.hsp [Kaspersky Lab] | 11 |
| Packed.Win32.PolyCrypt.d [Kaspersky Lab] | 11 |
| Trojan.Popwin [Symantec] | 11 |
| TrojanDropper:Win32/Hupigon.gen!A [Microsoft] | 11 |
| Backdoor.Win32.Hupigon.bap [Kaspersky Lab] | 10 |
| Backdoor.Win32.Hupigon.elw [Kaspersky Lab] | 10 |
| BKDR_HUPIGON.ETY [Trend Micro] | 10 |
| BKDR_HUPIGON.EWE [Trend Micro] | 10 |
| Trojan.Adclicker [Symantec] | 10 |
| VirTool:Win32/Obfuscator.P [Microsoft] | 10 |
| W32.Spybot.Worm [Symantec] | 10 |
| Win-Trojan/Xema.variant [AhnLab] | 10 |
| Backdoor.Win32.Hupigon.adi [Kaspersky Lab] | 9 |
| Backdoor.Win32.Hupigon.cda [Kaspersky Lab] | 9 |
| BKDR_GBIRD.A [Trend Micro] | 9 |
| Infostealer.Gampass [Symantec] | 9 |
| VirTool:Win32/DelfInject.gen!L [Microsoft] | 9 |
| Backdoor.GrayBird!sd5 [PC Tools] | 8 |
| Backdoor.Win32.Bifrose.abuy [Kaspersky Lab] | 8 |
| Backdoor.Win32.GrayBird.px [Kaspersky Lab] | 8 |
| Backdoor.Win32.Hupigon.abu [Kaspersky Lab] | 8 |
| Backdoor.Win32.Hupigon.dsx [Kaspersky Lab] | 8 |
| Backdoor:Win32/Hupigon.gen!B [Microsoft] | 8 |
| Backdoor:Win32/Small.D [Microsoft] | 8 |
| Cryp_Pai-3 [Trend Micro] | 8 |
| Mal/Emogen-R [Sophos] | 8 |
| Mal/EncPk-AP [Sophos] | 8 |
| MalwareScope.Backdoor.Hupigon [Ikarus] | 8 |
| not-a-virus:Server-Proxy.Win32.RCService.j [Kaspersky Lab] | 8 |
| Packed.Win32.Klone.d [Ikarus] | 8 |
| TROJ_HUPIGON.OWC [Trend Micro] | 8 |
| Backdoor.Graybird [PC Tools] | 7 |
| Backdoor.Win32.PoeBot.C [Ikarus] | 7 |
| BKDR_HUPIGON.ETH [Trend Micro] | 7 |
| Mal/Behav-043 [Sophos] | 7 |
| Packed/eXPressor [PC Tools] | 7 |
| W32.Versie.A [Symantec] | 7 |
| Backdoor.Hupigon.GTB [PC Tools] | 6 |
| Backdoor.Win32.Hupigon.axbr [Kaspersky Lab] | 6 |
| Backdoor.Win32.Hupigon.pv [Kaspersky Lab] | 6 |