| Threat Alias | Number of Incidents |
| Mal/EncPk-EU [Sophos] | 1,311 |
| Trojan.Fakeavalert [Symantec] | 965 |
| Generic.dx [McAfee] | 940 |
| Trojan.Fakeavalert!sd6 [PC Tools] | 824 |
| Trojan-Downloader.Exchanger.Gen.2 [Ikarus] | 824 |
| Trojan:Win32/Tibs.ID [Microsoft] | 820 |
| Backdoor.Win32.Frauder.fc [Kaspersky Lab] | 779 |
| Backdoor.Frauder!sd6 [PC Tools] | 764 |
| Trojan:Win32/Tibs.IH [Microsoft] | 545 |
| Backdoor.Win32.Frauder.lr [Kaspersky Lab] | 360 |
| Trojan.Win32.Tibs [Ikarus] | 341 |
| Trojan:Win32/Tibs.IF [Microsoft] | 323 |
| Generic BackDoor [McAfee] | 322 |
| Troj/FakeVir-GJ [Sophos] | 300 |
| Packed.Generic.186 [Symantec] | 277 |
| Downloader [Symantec] | 276 |
| Tibs-Packed [McAfee] | 270 |
| Backdoor.Win32.Frauder.fb [Kaspersky Lab] | 245 |
| Trojan.Zlob [Symantec] | 226 |
| Backdoor.Win32.Frauder.kh [Kaspersky Lab] | 224 |
| Troj/Bdoor-AOK [Sophos] | 224 |
| Generic Downloader.x [McAfee] | 220 |
| Backdoor.Win32.Frauder.fb [Ikarus] | 209 |
| Backdoor.Win32.Frauder.jt [Kaspersky Lab] | 208 |
| not-a-virus:FraudTool.Win32.MSAntivirus.r [Kaspersky Lab] | 190 |
| Mal/Generic-A [Sophos] | 137 |
| Backdoor.Win32.Frauder.jt [Ikarus] | 112 |
| Mal/EncPk-CZ [Sophos] | 112 |
| Trojan-Downloader.Win32.Hoaxer.a [Kaspersky Lab] | 98 |
| Backdoor.Win32.Frauder.kh [Ikarus] | 96 |
| AdWare.Antivirus.nnk [Ikarus] | 91 |
| Trojan-Downloader.Win32.Agent.amfa [Kaspersky Lab] | 91 |
| TrojanDownloader:Win32/Renos.DU [Microsoft] | 82 |
| Trojan:Win32/Tibs.IG [Microsoft] | 63 |
| Trojan-Downloader.Win32.Agent.aigp [Kaspersky Lab] | 63 |
| Generic PUP.x [McAfee] | 50 |
| Trojan-Downloader.Win32.Agent.anyj [Kaspersky Lab] | 49 |
| Virus.Win32.AdWare [Ikarus] | 49 |
| not-a-virus:FraudTool.Win32.MSAntivirus.ak [Kaspersky Lab] | 46 |
| not-a-virus:FraudTool.Win32.UltimateAntivirus.cq [Kaspersky Lab] | 46 |
| Trojan-Downloader.Hoaxer!sd6 [PC Tools] | 35 |
| Backdoor.Win32.Frauder [Ikarus] | 32 |
| Generic.Win32.Malware.Antivirus2008 [Ikarus] | 30 |
| not-a-virus:FraudTool.Win32.SpywarePreventer.y [Kaspersky Lab] | 19 |
| not-a-virus:FraudTool.Win32.UltimateAntivirus.cp [Kaspersky Lab] | 19 |
| Win-Trojan/Xema.variant [AhnLab] | 16 |
| Downloader.MisleadApp [Symantec] | 15 |
| Trojan Horse [Symantec] | 15 |
| Virus.Win32.FakeAlert.S [Ikarus] | 12 |
| Backdoor.Win32.Frauder.oe [Kaspersky Lab] | 10 |
| Trojan-Downloader.MisleadApp!sd6 [PC Tools] | 10 |
| Mal/Packer [Sophos] | 7 |
| not-a-virus.Keygen.Nero [Ikarus] | 6 |
| FakeAlert-AB [McAfee] | 5 |
| Trojan.Zlob [Ikarus] | 5 |
| SecurityRisk.Downldr [Symantec] | 4 |
| Trojan-Downloader.Win32.Agent.aoyg [Kaspersky Lab] | 4 |
| Trojan-Downloader.Win32.Delf.TU [Ikarus] | 4 |
| OScope.Dialer.GMHA [Ikarus] | 3 |
| PSWTool.IEPassView!sd5 [PC Tools] | 3 |
| Suspicious.MH690 [Symantec] | 3 |
| Trojan.Generic [Ikarus] | 3 |
| Trojan-Dropper.Delf [Ikarus] | 3 |
| Worm.Win32.AutoRun.enw [Kaspersky Lab] | 3 |
| Backdoor.Pigeon [Ikarus] | 2 |
| Backdoor.Win32.PoeBot.C [Ikarus] | 2 |
| Hacktool [Symantec] | 2 |
| Infostealer.Bancos [Symantec] | 2 |
| Infostealer.Wowcraft [Symantec] | 2 |
| Mal/TinyDL-T [Sophos] | 2 |
| not-a-Virus.Hacktool.Keygen.Norton2008 [Ikarus] | 2 |
| not-a-virus.Keygen.AvastPro [Ikarus] | 2 |
| not-a-virus:AdWare.Win32.BHO.kuw [Kaspersky Lab] | 2 |
| not-a-virus:FraudTool.Win32.UltimateAntivirus.an [Kaspersky Lab] | 2 |
| not-a-virus:PSWTool.Win32.IEPassView.a [Kaspersky Lab] | 2 |
| PWS-Banker [McAfee] | 2 |
| PWS-Gamania.gen.a [McAfee] | 2 |
| Troj/AdbPat-A [Sophos] | 2 |
| Trojan.Cinmeng [Symantec] | 2 |
| Trojan.Crypt [Ikarus] | 2 |
| Trojan.Dropper [Symantec] | 2 |
| Trojan:Win32/Cinmus.N [Microsoft] | 2 |
| Trojan-Downloader.generic!ct [PC Tools] | 2 |
| W32.Dotex.CA [Symantec] | 2 |
| W32/Autorun.worm.gen [McAfee] | 2 |
| Win32.SuspectCrc [Ikarus] | 2 |
| Win-Trojan/Agent.20480.KQ [AhnLab] | 2 |
| Win-Trojan/Cinmus.79598 [AhnLab] | 2 |
| Worm.AutoRun!sd6 [PC Tools] | 2 |
| Worm:Win32/Mocmex.gen!A [Microsoft] | 2 |
| WORM_AUTORUN.AJX [Trend Micro] | 2 |
| Adware.IE_Driver [PC Tools] | 1 |
| Adware.IEDriver [Symantec] | 1 |
| Adware:Win32/Verticity.A [Microsoft] | 1 |
| Adware-IEDriver [McAfee] | 1 |
| Backdoor.Ciadoor [Symantec] | 1 |
| Backdoor.Hupigon!sd5 [PC Tools] | 1 |
| Backdoor.Rbot [Ikarus] | 1 |
| Backdoor.ServU!ct [PC Tools] | 1 |
| Backdoor.Win32.Delf.nld [Kaspersky Lab] | 1 |