| Threat Alias | Number of Incidents |
| Mal/EncPk-EU [Sophos] | 1,371 |
| Trojan.Fakeavalert [Symantec] | 1,106 |
| Trojan-Downloader.Exchanger.Gen.2 [Ikarus] | 993 |
| Trojan.Fakeavalert!sd6 [PC Tools] | 865 |
| BKDR_FRAUDER.PB [Trend Micro] | 861 |
| Trojan:Win32/Tibs.ID [Microsoft] | 861 |
| Generic.dx [McAfee] | 834 |
| Backdoor.Win32.Frauder.fc [Kaspersky Lab] | 820 |
| Backdoor.Frauder!sd6 [PC Tools] | 764 |
| Trojan:Win32/Tibs.IH [Microsoft] | 545 |
| Generic BackDoor [McAfee] | 369 |
| Generic Downloader.x [McAfee] | 368 |
| Backdoor.Win32.Frauder.lp [Kaspersky Lab] | 360 |
| Trojan.Win32.Tibs [Ikarus] | 355 |
| Mal/Generic-A [Sophos] | 337 |
| Troj/FakeVir-GJ [Sophos] | 300 |
| Packed.Generic.186 [Symantec] | 285 |
| Trojan:Win32/Tibs.IF [Microsoft] | 284 |
| Trojan.Zlob [Symantec] | 282 |
| Tibs-Packed [McAfee] | 270 |
| Backdoor.Win32.Frauder.fb [Kaspersky Lab] | 264 |
| Backdoor.Win32.Frauder.kf [Kaspersky Lab] | 224 |
| Troj/Bdoor-AOK [Sophos] | 224 |
| Backdoor.Win32.Frauder.jt [Kaspersky Lab] | 212 |
| Trojan Horse [Symantec] | 209 |
| Trojan-Dropper.Agent [Ikarus] | 204 |
| TrojanDownloader:Win32/Renos.AU [Microsoft] | 160 |
| Trojan-Downloader.Win32.Hoaxer.a [Kaspersky Lab] | 149 |
| Trojan-Downloader.Win32.Agent.aejp [Kaspersky Lab] | 145 |
| Trojan-Downloader.Win32.Agent.aflr [Kaspersky Lab] | 143 |
| Mal/EncPk-CZ [Sophos] | 114 |
| Backdoor.Win32.Frauder.jt [Ikarus] | 113 |
| Backdoor.Win32.Frauder.kf [Ikarus] | 96 |
| Backdoor.Win32.Frauder.fb [Ikarus] | 82 |
| TrojanDownloader:Win32/Renos.DU [Microsoft] | 82 |
| Trojan-Downloader.Win32.Agent.aftn [Kaspersky Lab] | 81 |
| Downloader.MisleadApp [Symantec] | 70 |
| Trojan:Win32/Tibs.IG [Microsoft] | 63 |
| Trojan-Downloader.Win32.Agent.aigp [Kaspersky Lab] | 63 |
| RogueAntiSpyware.PCHealthCenter [PC Tools] | 50 |
| Downloader.gen.a [McAfee] | 40 |
| TROJ_AGENT.UIH [Trend Micro] | 40 |
| Trojan-Downloader.Hoaxer!sd6 [PC Tools] | 40 |
| Backdoor.Win32.Frauder [Ikarus] | 32 |
| Downloader [Symantec] | 16 |
| Mal/Packer [Sophos] | 15 |
| Backdoor.Win32.Frauder.oc [Kaspersky Lab] | 10 |
| Generic Downloader.z [McAfee] | 10 |
| Trojan-Downloader.Win32.VB.avo [Ikarus] | 9 |
| Trojan-Downloader.Win32.Agent.xkd [Kaspersky Lab] | 6 |
| Generic Downloader.ab [McAfee] | 5 |
| Virus.Win32.Small [Ikarus] | 5 |
| Mal/VBDos-A [Sophos] | 4 |
| Backdoor.Bifrose [Symantec] | 3 |
| Backdoor.Bifrose!sd6 [PC Tools] | 3 |
| Backdoor.Win32.Bifrose.abjs [Kaspersky Lab] | 3 |
| BackDoor-CEP.gen.g [McAfee] | 3 |
| Packed/FSG [PC Tools] | 3 |
| Packed/Upack [AhnLab] | 3 |
| Trojan.Generic [Ikarus] | 3 |
| Win32.SuspectCrc [Ikarus] | 3 |
| Win-Trojan/Downloader.3072.JG [AhnLab] | 3 |
| Win-Trojan/Midgare.30208 [AhnLab] | 3 |
| Win-Trojan/Xema.variant [AhnLab] | 3 |
| Adware.Borlan [Symantec] | 2 |
| Adware.Borlan!sd5 [PC Tools] | 2 |
| Backdoor.Sdbot [Symantec] | 2 |
| Backdoor.Trojan [Symantec] | 2 |
| Backdoor.Win32.PoeBot.C [Ikarus] | 2 |
| BKDR_AHZE.NY [Trend Micro] | 2 |
| Cryp_PESpin [Trend Micro] | 2 |
| Infostealer.Phax [Symantec] | 2 |
| Infostealer.Refest [Symantec] | 2 |
| Mal/EncPk-FH [Sophos] | 2 |
| Mal/EncPk-HL [Sophos] | 2 |
| New Malware.aj [McAfee] | 2 |
| New Malware.d [McAfee] | 2 |
| not-a-virus.Keygen.NfS [Ikarus] | 2 |
| not-a-virus:PSWTool.Win32.MailPassView.a [Kaspersky Lab] | 2 |
| PSWTool.MailPassView!sd5 [PC Tools] | 2 |
| Suspicious.MH690 [Symantec] | 2 |
| Trojan.Voxom [Symantec] | 2 |
| Trojan.Voxom!sd6 [PC Tools] | 2 |
| Trojan.Win32.Midgare [Ikarus] | 2 |
| Trojan:Win32/Midgare.A [Microsoft] | 2 |
| Trojan-Downloader.Win32.Small [Ikarus] | 2 |
| Trojan-PSW.Refest [PC Tools] | 2 |
| Trojan-PWS.OnlineGames.AHRG [PC Tools] | 2 |
| Virus.Win32.Bifrose [Ikarus] | 2 |
| Win32/IRCBot.worm.variant [AhnLab] | 2 |
| AdWare.Agent [Ikarus] | 1 |
| BKDR_AHZE.SMM [Trend Micro] | 1 |
| BraveSentry [McAfee] | 1 |
| Downloader.Trojan [Symantec] | 1 |
| Generic Downloader.f [McAfee] | 1 |
| Generic.dx!fh [McAfee] | 1 |
| HackTool.Win32.Kiser [Ikarus] | 1 |
| HackTool.Win32.Kiser.bh [Kaspersky Lab] | 1 |
| Mal/Behav-328, Mal/Behav-009 [Sophos] | 1 |
| Mal/Bifrose-X, Mal/EncPk-FH [Sophos] | 1 |