| Threat Alias | Number of Incidents |
| VirTool.Win32.DelfInject [Ikarus] | 158 |
| Trojan Horse [Symantec] | 116 |
| Generic.dx [McAfee] | 56 |
| Trojan.Win32.AntiAV.sa [Kaspersky Lab] | 45 |
| Trojan.AntiAV!sd6 [PC Tools] | 40 |
| Mal/Delf-R [Sophos] | 39 |
| Virus.Win32.Delf [Ikarus] | 36 |
| Mal/Dropper-G [Sophos] | 35 |
| IRC Trojan [Symantec] | 33 |
| Backdoor.Trojan [Symantec] | 27 |
| Mal/Generic-A [Sophos] | 26 |
| New Malware.ix [McAfee] | 26 |
| Generic PUP.x [McAfee] | 25 |
| Backdoor.Graybird [Symantec] | 22 |
| Trojan.Win32.AntiAV.ql [Kaspersky Lab] | 20 |
| Backdoor.Win32.Hupigon [Ikarus] | 19 |
| Win-Trojan/Backdoor.88576.B [AhnLab] | 18 |
| Mal/Delf-Z, Mal/Delf-R [Sophos] | 17 |
| TROJ_KILLAV.ABX [Trend Micro] | 17 |
| Win-Trojan/Antiav.68989.B [AhnLab] | 17 |
| Win-Trojan/Xema.variant [AhnLab] | 17 |
| BackDoor-AWQ.b [McAfee] | 15 |
| BackDoor-CEP.gen.x [McAfee] | 15 |
| VirTool:Win32/DelfInject.gen!AC [Microsoft] | 15 |
| Mal/FakeVirPk-A [Sophos] | 14 |
| Backdoor.Win32.Agent.wci [Kaspersky Lab] | 13 |
| Backdoor.Win32.Hupigon.eqlo [Kaspersky Lab] | 13 |
| Mal/Behav-328, Mal/Behav-009 [Sophos] | 13 |
| Trojan.Dropper [Symantec] | 13 |
| Mal/Behav-058 [Sophos] | 12 |
| Mal/Dropper-W, Mal/Dropper-G [Sophos] | 12 |
| Suspicious.MH690 [Symantec] | 12 |
| Trojan.Win32.Buzus [Ikarus] | 12 |
| Trojan-Dropper.Win32.Malf [Ikarus] | 12 |
| Backdoor.Win32.Hupigon.eqzd [Kaspersky Lab] | 11 |
| Generic Dropper [McAfee] | 11 |
| Backdoor.Win32.HacDef.fh [Ikarus] | 10 |
| Downloader-ZL [McAfee] | 10 |
| Mal/Behav-024, Mal/Emogen-U, Mal/Behav-053 [Sophos] | 10 |
| Virus.Win32.Delf.m [Ikarus] | 10 |
| Backdoor.Win32.IRCBot.dhr [Kaspersky Lab] | 9 |
| BackDoor-DVF [McAfee] | 9 |
| Downloader.gen.a [McAfee] | 9 |
| Troj/IRCBot-ABP [Sophos] | 9 |
| Backdoor.Bifrose [Symantec] | 8 |
| BackDoor-DOQ.gen.w [McAfee] | 8 |
| Mal/Behav-024 [Sophos] | 8 |
| Trojan.Win32.Agent.dlo [Kaspersky Lab] | 8 |
| Virus.Win32.Delf.BQR [Ikarus] | 8 |
| W32/Generic.Delphi.b [McAfee] | 8 |
| Infostealer.Gampass [Symantec] | 7 |
| Trojan.Delf.Inject [Ikarus] | 7 |
| Trojan.Win32.Delf.epk [Kaspersky Lab] | 7 |
| Virus.Win32.Agent.SNT [Ikarus] | 7 |
| W32.Spybot.Worm [Symantec] | 7 |
| Win-Trojan/Poison.46592.E [AhnLab] | 7 |
| Backdoor.Hupigon.EQZD [PC Tools] | 6 |
| Dropper.Agent.yqh [PC Tools] | 6 |
| Troj/Buzus-Gen [Sophos] | 6 |
| Trojan.Midgare.EYZ [PC Tools] | 6 |
| Trojan.Win32.Pakes.mmh [Kaspersky Lab] | 6 |
| Trojan-PWS.Win32.OnLineGames [Ikarus] | 6 |
| Trojan-Spy.Win32.BZub.brl [Kaspersky Lab] | 6 |
| Win32/MalPackedB.suspicious [AhnLab] | 6 |
| Win-Trojan/Buzus.165888.D [AhnLab] | 6 |
| WORM_XIAOHO.C [Trend Micro] | 6 |
| Backdoor.Hupigon.GEN [PC Tools] | 5 |
| Constructor.Win32.SlhBack.aj [Kaspersky Lab] | 5 |
| Downloader [Symantec] | 5 |
| Downloader.Delphi [Ikarus] | 5 |
| Downloader.Generic [PC Tools] | 5 |
| Infostealer [Symantec] | 5 |
| Mal/Behav-103, Mal/Behav-043, Mal/Dropper-G [Sophos] | 5 |
| Spyware.Perfect [Symantec] | 5 |
| Troj/Bckdr-QXQ [Sophos] | 5 |
| Trojan.Agent.DOWD [PC Tools] | 5 |
| Trojan.Buzus!sd6 [PC Tools] | 5 |
| Trojan.Win32.Buzus.cgms [Kaspersky Lab] | 5 |
| Trojan.Win32.LogonInvader.a [Kaspersky Lab] | 5 |
| Virus.Win32.Atraps [Ikarus] | 5 |
| Win-Trojan/Agent.61440.CR [AhnLab] | 5 |
| Adware.Rugo [Symantec] | 4 |
| Backdoor.Graybird [PC Tools] | 4 |
| Backdoor.Hupigon!sd6 [PC Tools] | 4 |
| Backdoor.Win32.Hupigon.ewvu [Kaspersky Lab] | 4 |
| Backdoor.Win32.Hupigon.goih [Kaspersky Lab] | 4 |
| BehavesLike.Win32.ExplorerHijack [Ikarus] | 4 |
| BKDR_HUPIGON.VEM [Trend Micro] | 4 |
| Generic BackDoor [McAfee] | 4 |
| Generic Dropper!qp [McAfee] | 4 |
| Generic PWS.y [McAfee] | 4 |
| Mal/Emogen-I, Mal/Emogen-Z, Mal/Dropper-W [Sophos] | 4 |
| P2P-Worm.Win32.Delf [Ikarus] | 4 |
| Packer.Pohernah.E [Ikarus] | 4 |
| Spyware.Perfect [PC Tools] | 4 |
| Trojan.Buzus.iij [Ikarus] | 4 |
| Trojan.Win32.Agent.aqoq [Kaspersky Lab] | 4 |
| Trojan.Win32.Agent.bwpj [Kaspersky Lab] | 4 |
| Trojan.Win32.Buzus.aaqy [Kaspersky Lab] | 4 |
| Trojan.Win32.Buzus.adao [Kaspersky Lab] | 4 |