| Threat Alias | Number of Incidents |
| VirTool:Win32/Injector.gen!AG [Microsoft] | 88 |
| BackDoor-EEF [McAfee] | 85 |
| Trojan.Win32.Refroso [Ikarus] | 40 |
| VirTool:Win32/Injector.gen!AD [Microsoft] | 39 |
| Trojan-Downloader.Win32.Pher.xx [Kaspersky Lab] | 36 |
| Trojan Horse [Symantec] | 35 |
| VirTool:Win32/CeeInject.gen!Q [Microsoft] | 34 |
| Win32/Kolab.worm.Gen [AhnLab] | 33 |
| Win-Trojan/Bluescreen.9216 [AhnLab] | 27 |
| VirTool.Win32.Injector [Ikarus] | 25 |
| Trojan-Downloader.Win32.Pher [Ikarus] | 22 |
| BackDoor-EEC.gen [McAfee] | 20 |
| Backdoor.Trojan [Symantec] | 19 |
| Generic Dropper.fh.gen [McAfee] | 17 |
| BackDoor-EBI.gen [McAfee] | 15 |
| Trojan.Generic [PC Tools] | 15 |
| Downloader [Symantec] | 12 |
| Virus.Win32.CeeInject [Ikarus] | 11 |
| Worm.Win32.Pushbot [Ikarus] | 11 |
| Backdoor.Trojan [PC Tools] | 10 |
| W32.Spybot.Worm [Symantec] | 9 |
| VirTool:Win32/CeeInject.gen!AJ [Microsoft] | 8 |
| Win-Trojan/Xema.variant [AhnLab] | 8 |
| Packed.Generic.252 [Symantec] | 7 |
| Trojan-PSW.Win32.Dybalom.bu [Kaspersky Lab] | 7 |
| W32.Ircbrute [Symantec] | 7 |
| Win-Trojan/Pher.58368 [AhnLab] | 7 |
| BackDoor-EBI [McAfee] | 6 |
| Downloader-BTI [McAfee] | 6 |
| Net-Worm.Win32.Kolab [Ikarus] | 6 |
| Trojan-Spy.Win32.Agent.azbj [Kaspersky Lab] | 6 |
| VirTool:Win32/CeeInject.gen!AE [Microsoft] | 6 |
| VirTool:Win32/CeeInject.gen!AO [Microsoft] | 6 |
| Win-Trojan/Refroso.22016 [AhnLab] | 6 |
| Win-Trojan/Refroso.87933 [AhnLab] | 6 |
| Malware.Ircbrute [PC Tools] | 5 |
| Trojan.Win32.Refroso.ktw [Kaspersky Lab] | 5 |
| VirTool:Win32/CeeInject.F [Microsoft] | 5 |
| W32.SillyFDC [Symantec] | 5 |
| Win-Trojan/Agent.32256.TG [AhnLab] | 5 |
| Win-Trojan/Refroso.81920.E [AhnLab] | 5 |
| Backdoor.Win32.Poison.aphr [Kaspersky Lab] | 4 |
| Backdoor:Win32/Phdet.gen!A [Microsoft] | 4 |
| Downloader-BVA [McAfee] | 4 |
| Generic PWS.y!rf [McAfee] | 4 |
| Trojan-Downloader.Win32.Pher.pt [Kaspersky Lab] | 4 |
| Trojan-Dropper.Agent [Ikarus] | 4 |
| Trojan-Dropper.Win32.Muldrop [Ikarus] | 4 |
| TrojanDropper:Win32/Muldrop.E [Microsoft] | 4 |
| VirTool:Win32/CeeInject.gen!AS [Microsoft] | 4 |
| Win-Trojan/Inject.44032.AL [AhnLab] | 4 |
| Win-Trojan/Muldrop.144384 [AhnLab] | 4 |
| Worm:Win32/Pushbot.gen [Microsoft] | 4 |
| Backdoor-DZD [McAfee] | 3 |
| BackDoor-EEC [McAfee] | 3 |
| Downloader.Generic [PC Tools] | 3 |
| Email-Worm.Win32.BSpread [Ikarus] | 3 |
| Email-Worm.Win32.BSpread.b [Kaspersky Lab] | 3 |
| Net-Worm.Spybot [PC Tools] | 3 |
| Packed.Win32.CPEX-based.gc [Kaspersky Lab] | 3 |
| Trojan.Win32.Agent [Ikarus] | 3 |
| Trojan.Win32.Inject.alfk [Kaspersky Lab] | 3 |
| VirTool:Win32/Injector.gen!Y [Microsoft] | 3 |
| Win32/Kolab.worm.84992.C [AhnLab] | 3 |
| Win-Trojan/Pher.1699328 [AhnLab] | 3 |
| Win-Trojan/Pher.29184 [AhnLab] | 3 |
| Worm.Win32.Slenfbot [Ikarus] | 3 |
| Worm:Win32/Pushbot.gen!C [Microsoft] | 3 |
| Backdoor.IRC [PC Tools] | 2 |
| Backdoor.IRC.Bot [Symantec] | 2 |
| Backdoor.SdBot [Ikarus] | 2 |
| Backdoor:Win32/Poison.M [Microsoft] | 2 |
| BackDoor-CEP.gen.al [McAfee] | 2 |
| BackDoor-CEP.gen.o [McAfee] | 2 |
| Generic Dropper.fh [McAfee] | 2 |
| Generic.dx!su [McAfee] | 2 |
| Spyware.Keylogger [PC Tools] | 2 |
| Trojan.Dropper [Symantec] | 2 |
| Trojan.Loader [Ikarus] | 2 |
| Trojan.Win32.Agent.ckeq [Kaspersky Lab] | 2 |
| Trojan.Win32.Agent2.kjd [Kaspersky Lab] | 2 |
| Trojan:Win32/Ircbrute [Microsoft] | 2 |
| Trojan-Dropper.Win32.Agent.bcxu [Kaspersky Lab] | 2 |
| Trojan-Ransom [Ikarus] | 2 |
| VirTool:Win32/CeeInject.gen!AD [Microsoft] | 2 |
| VirTool:Win32/CeeInject.gen!Y [Microsoft] | 2 |
| W32/Checkout!n [McAfee] | 2 |
| W32/IRCbot.gen.h [McAfee] | 2 |
| Win32/IRCBot.worm.variant [AhnLab] | 2 |
| Win-Trojan/Agent.26624.KC [AhnLab] | 2 |
| Win-Trojan/Agent2.20992.HT [AhnLab] | 2 |
| Win-Trojan/Agent2.25088.D [AhnLab] | 2 |
| Win-Trojan/Buzus.41472.M [AhnLab] | 2 |
| Win-Trojan/Downloader.129536.CP [AhnLab] | 2 |
| Win-Trojan/Pher.31232.B [AhnLab] | 2 |
| Worm.Win32.AInfBot [Ikarus] | 2 |
| Worm.Win32.AInfBot.o [Kaspersky Lab] | 2 |
| Worm:Win32/Rimecud.I [Microsoft] | 2 |
| Worm:Win32/Slenfbot [Microsoft] | 2 |
| Backdoor.Ranky [Symantec] | 1 |