| Threat Alias | Number of Incidents |
| Trojan Horse [Symantec] | 180 |
| Mal/Generic-A [Sophos] | 137 |
| Generic.dx [McAfee] | 94 |
| Troj/Agent-IHO [Sophos] | 42 |
| Trojan.Buzus [PC Tools] | 34 |
| Trojan.Generic [PC Tools] | 31 |
| W32.Spybot.Worm [Symantec] | 30 |
| Backdoor:Win32/Buzus.C [Microsoft] | 29 |
| Win-Trojan/Buzus.38912.U [AhnLab] | 29 |
| Trojan.Buzus!sd6 [PC Tools] | 28 |
| Generic PUP.x [McAfee] | 27 |
| Mal/Behav-179, Mal/Dropper-G [Sophos] | 25 |
| Mal/VB-Z [Sophos] | 25 |
| Trojan.Midgare.EYZ [PC Tools] | 23 |
| Trojan.Win32.Buzus.hts [Kaspersky Lab] | 21 |
| Backdoor.Trojan [Symantec] | 19 |
| Downloader [Symantec] | 19 |
| W32.IRCBot [Symantec] | 19 |
| Win-Trojan/Xema.variant [AhnLab] | 19 |
| Trojan.Buzus.acfn [PC Tools] | 17 |
| Worm:Win32/Prolaco.gen!C [Microsoft] | 14 |
| Packed.Generic.266 [Symantec] | 12 |
| Suspicious.MH690 [Symantec] | 12 |
| Trojan.Buzus.hts [PC Tools] | 12 |
| VirTool:Win32/DelfInject.gen!X [Microsoft] | 12 |
| W32.Ackantta.B@mm [Symantec] | 12 |
| HeurEngine.MaliciousPacker [PC Tools] | 11 |
| Mal/Behav-103 [Sophos] | 11 |
| Mal/Binder-B [Sophos] | 11 |
| PWS-LegMir.dll [McAfee] | 11 |
| Trojan.Win32.Buzus.aaih [Kaspersky Lab] | 11 |
| VirTool:Win32/CeeInject.gen!A [Microsoft] | 11 |
| Mal/CryptBox-A [Sophos] | 10 |
| Mal/EncPK-LL [Sophos] | 10 |
| VirTool:Win32/DelfInject.gen!AC [Microsoft] | 10 |
| Email-Worm.Ackantta [PC Tools] | 9 |
| PWS:Win32/Yokoyou.A [Microsoft] | 9 |
| Trojan.Virantix.C [Symantec] | 9 |
| Trojan.Win32.Agent.cdaq [Kaspersky Lab] | 9 |
| Trojan.Win32.Buzus.aeip [Kaspersky Lab] | 9 |
| Trojan.Win32.Swisyn.ltd [Kaspersky Lab] | 9 |
| Trojan.Win32.VB.ekb [Kaspersky Lab] | 9 |
| Trojan:Win32/Dursg.B [Microsoft] | 9 |
| Trojan:Win32/Meredrop [Microsoft] | 9 |
| TrojanDownloader:Win32/Rudeflate.gen!A [Microsoft] | 9 |
| VirTool:Win32/VBInject.gen!C [Microsoft] | 9 |
| VirTool:Win32/VBInject.gen!CH [Microsoft] | 9 |
| Win-Trojan/Agent.30824 [AhnLab] | 9 |
| Win-Trojan/Inject.26141 [AhnLab] | 9 |
| BackDoor-DOQ [McAfee] | 8 |
| Net-Worm.Win32.Kolab.asj [Kaspersky Lab] | 8 |
| Trojan.Win32.Buzus.acxp [Kaspersky Lab] | 8 |
| Trojan.Win32.Buzus.iij [Kaspersky Lab] | 8 |
| VirTool:Win32/CeeInject.gen!J [Microsoft] | 8 |
| VirTool:Win32/DelfInject.gen!S [Microsoft] | 8 |
| VirTool:Win32/VBInject.gen!BA [Microsoft] | 8 |
| VirTool:Win32/VBInject.gen!CN [Microsoft] | 8 |
| W32/Pushbot.a [McAfee] | 8 |
| Backdoor.Bifrose [Symantec] | 7 |
| Generic Dropper [McAfee] | 7 |
| Mal/Inject-Gen [Sophos] | 7 |
| Troj/Merein-Gen [Sophos] | 7 |
| Trojan.Donbot [Symantec] | 7 |
| Trojan.Win32.Buzus.adbl [Kaspersky Lab] | 7 |
| Trojan:Win32/Vake.B [Microsoft] | 7 |
| VirTool:Win32/DelfInject.gen!AF [Microsoft] | 7 |
| Backdoor.Trojan [PC Tools] | 6 |
| Backdoor.Win32.Rbot.wor [Kaspersky Lab] | 6 |
| Dropper/Sramler.47460 [AhnLab] | 6 |
| Email-Worm.Prolaco.GEN [PC Tools] | 6 |
| Generic Dropper!hv.f [McAfee] | 6 |
| Net-Worm.Kolab!sd6 [PC Tools] | 6 |
| Troj/Agent-MAU [Sophos] | 6 |
| Trojan.Win32.Agent.alld [Kaspersky Lab] | 6 |
| Trojan.Win32.Agentb.t [Kaspersky Lab] | 6 |
| Trojan.Win32.Buzus.acee [Kaspersky Lab] | 6 |
| Trojan.Win32.Buzus.bjim [Kaspersky Lab] | 6 |
| Trojan.Win32.Buzus.bkxc [Kaspersky Lab] | 6 |
| Trojan-Dropper.Win32.Mudrop.bmg [Kaspersky Lab] | 6 |
| TrojanDropper:Win32/VBInject.B [Microsoft] | 6 |
| VirTool:Win32/DelfInject.gen!U [Microsoft] | 6 |
| VirTool:Win32/VBInject.gen!CE [Microsoft] | 6 |
| W32.SillyFDC [Symantec] | 6 |
| W32/Xirtem@MM [McAfee] | 6 |
| Win-Trojan/Buzus.239616.G [AhnLab] | 6 |
| Backdoor.IRC.Bot [Symantec] | 5 |
| Backdoor.IRCBot!sd5 [PC Tools] | 5 |
| Backdoor.Win32.Bifrose.qjy [Kaspersky Lab] | 5 |
| Backdoor:Win32/Poisonivy.E [Microsoft] | 5 |
| BackDoor-CEP [McAfee] | 5 |
| Generic.dx!neb [McAfee] | 5 |
| Infostealer.Gampass [Symantec] | 5 |
| Mal/Behav-328, Mal/Sramler-A, Mal/Dropper-G [Sophos] | 5 |
| Mal/Emogen-I [Sophos] | 5 |
| Mal/VBPck-A [Sophos] | 5 |
| Troj/Buzinj-A [Sophos] | 5 |
| Trojan.Dropper [Symantec] | 5 |
| Trojan.IRCBot [PC Tools] | 5 |
| Trojan.Win32.Buzus.aapd [Kaspersky Lab] | 5 |
| Trojan.Win32.Buzus.aebw [Kaspersky Lab] | 5 |