| Threat Alias | Number of Incidents |
| Win-Trojan/Xema.variant [AhnLab] | 45 |
| Backdoor.Ciadoor [Symantec] | 40 |
| Backdoor.Litmus [PC Tools] | 36 |
| Win-Trojan/Poison.17408.U [AhnLab] | 35 |
| Generic.dx!jqk [McAfee] | 20 |
| Trojan Horse [Symantec] | 19 |
| IRC.Backdoor.Trojan [Symantec] | 18 |
| Mal/Generic-A [Sophos] | 16 |
| Backdoor.IRCBot.XGK [PC Tools] | 15 |
| Backdoor.Win32.Poison [Ikarus] | 15 |
| Generic.dx [McAfee] | 12 |
| Infostealer.Gampass [Symantec] | 10 |
| HackTool.Win32.Crypt.be [Kaspersky Lab] | 9 |
| Mal/Behav-211 [Sophos] | 9 |
| Mal/EncPk-FL [Sophos] | 9 |
| VirTool:Win32/Vtub.BY [Microsoft] | 9 |
| Troj/AdbPat-A [Sophos] | 8 |
| Trojan-Dropper.Win32.VB.ams [Kaspersky Lab] | 8 |
| VirTool:Win32/VBInject.C [Microsoft] | 8 |
| W32/Vbbot [McAfee] | 8 |
| Trojan.Generic [PC Tools] | 6 |
| Backdoor.Win32.VanBot.ll [Kaspersky Lab] | 5 |
| Generic PUP.z [McAfee] | 5 |
| Trojan-Spy.Win32.Logger.e [Kaspersky Lab] | 5 |
| Win32/IRCBot.worm.variant [AhnLab] | 5 |
| Win-Trojan/Poisonivy.159247 [AhnLab] | 5 |
| Adware.Gen [Symantec] | 4 |
| Backdoor.Win32.Delf.qwz [Kaspersky Lab] | 4 |
| Generic PWS.y [McAfee] | 4 |
| Infostealer [Symantec] | 4 |
| Mal/Behav-229 [Sophos] | 4 |
| TROJ_DROPPER.ACO [Trend Micro] | 4 |
| Trojan:Win32/Trufip!rts [Microsoft] | 4 |
| TSPY_ONLINEG.DLM [Trend Micro] | 4 |
| W32/Nirbot.worm [McAfee] | 4 |
| Win-Trojan/FtpSpy.74240 [AhnLab] | 4 |
| Backdoor.Trojan [Symantec] | 3 |
| Generic BackDoor [McAfee] | 3 |
| Infostealer.Banker.C [Symantec] | 3 |
| Mal/Generic-E [Sophos] | 3 |
| Trojan.Dropper [Symantec] | 3 |
| Trojan.PWS.OnLineGames.MQO [PC Tools] | 3 |
| Trojan:Win32/Meredrop [Microsoft] | 3 |
| TrojanSpy:Win32/Mafod!rts [Microsoft] | 3 |
| Backdoor.Bifrose [Symantec] | 2 |
| Backdoor.generic!ct [PC Tools] | 2 |
| Backdoor.Graybird [Symantec] | 2 |
| Backdoor:Win32/Visel.B [Microsoft] | 2 |
| Troj/PMK-0.9 [Sophos] | 2 |
| Trojan-PSW.Win32.OnLineGames.pdu [Kaspersky Lab] | 2 |
| Trojan-Spy.Gampass!sd6 [PC Tools] | 2 |
| W32/Autorun.worm.gen [McAfee] | 2 |
| Worm.AutoRun.WHY [PC Tools] | 2 |
| Worm.Win32.AutoRun.zcu [Kaspersky Lab] | 2 |
| Backdoor.Graybird.D [Symantec] | 1 |
| Backdoor.Trojan [PC Tools] | 1 |
| Backdoor.Visel.CA [PC Tools] | 1 |
| Backdoor.Win32.Agent.fxp [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.aqgk [Kaspersky Lab] | 1 |
| Backdoor.Win32.Visel.lt [Kaspersky Lab] | 1 |
| Backdoor.Win32.Visel.yq [Kaspersky Lab] | 1 |
| Backdoor:Win32/Small.D [Microsoft] | 1 |
| BackDoor-AWQ [McAfee] | 1 |
| BKDR_VISEL.BS [Trend Micro] | 1 |
| Downloader [Symantec] | 1 |
| Generic Downloader.x!bxl [McAfee] | 1 |
| Generic Dropper [McAfee] | 1 |
| Generic PWS.y!dw [McAfee] | 1 |
| Generic.dx!ha [McAfee] | 1 |
| Generic.dx!ksu [McAfee] | 1 |
| Mal/Behav-204 [Sophos] | 1 |
| Mal/Dropper-O, Mal/Packer [Sophos] | 1 |
| Mal/EncPk-AP [Sophos] | 1 |
| Mal/HckPk-D [Sophos] | 1 |
| Mal/TibsPk-A, Mal/Packer [Sophos] | 1 |
| New Malware.cc [McAfee] | 1 |
| Suspicious.MH690 [Symantec] | 1 |
| Troj/BadCab-A [Sophos] | 1 |
| Troj/Bckdr-QSE [Sophos] | 1 |
| TROJ_VB.HAA [Trend Micro] | 1 |
| Trojan.Agent.CBGN [PC Tools] | 1 |
| Trojan.PWS.Nilage.Gen.3 [PC Tools] | 1 |
| Trojan:Win32/Alureon.gen!J [Microsoft] | 1 |
| Trojan-Downloader.Win32.Genome.vlw [Kaspersky Lab] | 1 |
| Trojan-GameThief.Win32.OnLineGames.pdu [Kaspersky Lab] | 1 |
| VirTool:Win32/Vtub.ANR [Microsoft] | 1 |
| W32.SillyFDC [Symantec] | 1 |
| Win-Trojan/Visel.203480.B [AhnLab] | 1 |