| Threat Alias | Number of Incidents |
| VirTool:Win32/Injector.gen!AG [Microsoft] | 146 |
| Mal/EncPk-JU [Sophos] | 85 |
| Trojan.Win32.Refroso [Ikarus] | 68 |
| Trojan-Downloader.Win32.Pher.xx [Kaspersky Lab] | 46 |
| Downloader [Symantec] | 39 |
| Trojan.Win32.Refroso.ktw [Kaspersky Lab] | 39 |
| Trojan Horse [Symantec] | 25 |
| VirTool.Win32.Injector [Ikarus] | 22 |
| Backdoor.Trojan [Symantec] | 21 |
| Mal/Generic-A [Sophos] | 20 |
| Trojan.Generic [PC Tools] | 19 |
| VirTool:Win32/Injector.gen!AD [Microsoft] | 17 |
| Backdoor.Trojan [PC Tools] | 15 |
| Downloader.Generic [PC Tools] | 13 |
| Win32/Kolab.worm.Gen [AhnLab] | 13 |
| TrojanDownloader:Win32/Buzus.F [Microsoft] | 10 |
| Mal/EncPk-JU, Mal/Behav-103, Mal/Behav-043 [Sophos] | 9 |
| Backdoor.Win32.Donbot.b [Kaspersky Lab] | 8 |
| Troj/Buzus-AU [Sophos] | 8 |
| Trojan-Downloader.Win32.Pher [Ikarus] | 8 |
| Virus:Win32/Sality.AM [Microsoft] | 8 |
| Win32/Kashu.B [AhnLab] | 8 |
| Virus.Win32.Sality.aa [Kaspersky Lab] | 7 |
| Mal/Behav-103, Mal/Behav-043 [Sophos] | 6 |
| Mal/Generic-A, Mal/EncPk-JU [Sophos] | 6 |
| Mal/KeInject-A, Mal/EncPk-LR [Sophos] | 6 |
| Win-Trojan/Injector.66461 [AhnLab] | 6 |
| Win-Trojan/Refroso.87933 [AhnLab] | 6 |
| Mal/KeInject-A, Mal/EncPk-JU [Sophos] | 5 |
| Trojan-Spy.Win32.Agent.azbj [Kaspersky Lab] | 5 |
| VirTool:Win32/CeeInject.gen!AO [Microsoft] | 5 |
| W32/Sality-AM [Sophos] | 5 |
| Win-Trojan/Refroso.81920.E [AhnLab] | 5 |
| Mal/KeInject-A [Sophos] | 4 |
| Net-Worm.Spybot [PC Tools] | 4 |
| Packed.Generic.252 [Symantec] | 4 |
| VirTool:Win32/CeeInject.F [Microsoft] | 4 |
| W32.Sality.AE [Symantec] | 4 |
| W32.Spybot.Worm [Symantec] | 4 |
| Win-Trojan/Pher.58368 [AhnLab] | 4 |
| Mal/Sality-B [Sophos] | 3 |
| PE_SALITY.BU [Trend Micro] | 3 |
| PE_SALITY.EK [Trend Micro] | 3 |
| Troj/Inject-JF [Sophos] | 3 |
| Trojan.Loader [Ikarus] | 3 |
| Trojan.Win32.Agent2.kjd [Kaspersky Lab] | 3 |
| Trojan.Win32.Buzus [Ikarus] | 3 |
| Trojan.Win32.Buzus.cuxi [Kaspersky Lab] | 3 |
| Trojan-Downloader.Win32.Buzus [Ikarus] | 3 |
| Trojan-Dropper.Win32.Refroso [Ikarus] | 3 |
| VirTool:Win32/CeeInject.gen!AJ [Microsoft] | 3 |
| VirTool:Win32/Injector.gen!Y [Microsoft] | 3 |
| Win32.Sality.AM.Gen [PC Tools] | 3 |
| Win-Trojan/Agent2.20992.HT [AhnLab] | 3 |
| Win-Trojan/Refroso.62976.D [AhnLab] | 3 |
| Backdoor.IRC [PC Tools] | 2 |
| Backdoor.IRC.Bot [Symantec] | 2 |
| Backdoor:Win32/Bifrose.DN [Microsoft] | 2 |
| Email-Worm.Win32.BSpread.b [Kaspersky Lab] | 2 |
| Generic.dx!su [McAfee] | 2 |
| HeurEngine.MaliciousPacker [PC Tools] | 2 |
| Infostealer.Gampass [Symantec] | 2 |
| Mal/EncPk-JU, Mal/Behav-043 [Sophos] | 2 |
| Mal/Generic-E [Sophos] | 2 |
| P2P-Worm.Win32.Palevo [Ikarus] | 2 |
| PE_SALITY.AE [Trend Micro] | 2 |
| PE_SALITY.EN [Trend Micro] | 2 |
| Troj/Dloadr-CUT [Sophos] | 2 |
| Trojan.Win32.Agent [Ikarus] | 2 |
| Trojan-PSW.Gampass [PC Tools] | 2 |
| VirTool:Win32/CeeInject.gen!Y [Microsoft] | 2 |
| VirTool:Win32/CeeInject.gen!Z [Microsoft] | 2 |
| Virus:Win32/Virut.BM [Microsoft] | 2 |
| W32.IRCBot [Symantec] | 2 |
| W32.Sality.X [Symantec] | 2 |
| W32.Virut.CF [Symantec] | 2 |
| W32/Sality-AI [Sophos] | 2 |
| Win32.Sality.AA.Gen [PC Tools] | 2 |
| Win32/Sality.F [AhnLab] | 2 |
| Win-Trojan/Buzus.41472.M [AhnLab] | 2 |
| Win-Trojan/Pher.29184 [AhnLab] | 2 |
| Win-Trojan/Refroso.135680 [AhnLab] | 2 |
| Win-Trojan/Refroso.62464.D [AhnLab] | 2 |
| Win-Trojan/Xema.variant [AhnLab] | 2 |
| Worm:Win32/Pushbot.gen [Microsoft] | 2 |
| Backdoor:Win32/Bifrose.gen!C [Microsoft] | 1 |
| Backdoor:Win32/Poison.M [Microsoft] | 1 |
| Backdoor:Win32/Pushbot.PN [Microsoft] | 1 |
| Generic Dropper.gz [McAfee] | 1 |
| Mal/Behav-043 [Sophos] | 1 |
| Mal/Behav-043, Mal/EncPk-JU, Mal/Behav-103 [Sophos] | 1 |
| Mal/EncPk-JU, Mal/Swizzor-D, Mal/Behav-103 [Sophos] | 1 |
| Mal/EncPk-LR [Sophos] | 1 |
| Mal/EncPk-LR, W32/Scribble-B [Sophos] | 1 |
| Mal/Generic-E, Mal/Behav-043, Mal/Wintrim-E, Mal/EncPk-JU, Mal/Behav-103 [Sophos] | 1 |
| Mal/Generic-E, Mal/Wintrim-E, Mal/EncPk-JU [Sophos] | 1 |
| Mal/Wintrim-E, Mal/EncPk-JU, Mal/Behav-103, Mal/Behav-043 [Sophos] | 1 |
| Malware.Ircbrute [PC Tools] | 1 |
| Malware.Sality [PC Tools] | 1 |
| Malware.SillyDC [PC Tools] | 1 |