| Threat Alias | Number of Incidents |
| RogueAntiSpyware.Sysguard [PC Tools] | 627 |
| Trojan:Win32/FakeSpyguard [Microsoft] | 42 |
| Rootkit.Win32.TDSS [Ikarus] | 33 |
| RogueAntiSpyware.SpywareGuard2008 [PC Tools] | 28 |
| Trojan.Win32.FakeSpyguard [Ikarus] | 21 |
| Mal/Generic-A [Sophos] | 17 |
| Mal/FakeVirPk-A [Sophos] | 16 |
| Troj/FakeAV-ABN [Sophos] | 14 |
| Trojan.Generic [Ikarus] | 12 |
| Win-Trojan/Xema.variant [AhnLab] | 12 |
| Generic.Win32.Malware.FakeSpyguard [Ikarus] | 11 |
| Trojan.Fakeavalert [Symantec] | 10 |
| FakeAlert-SpywareGuard [McAfee] | 9 |
| Generic PUP.z [McAfee] | 9 |
| Generic.dx [McAfee] | 9 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.ab [Kaspersky Lab] | 9 |
| Virus.Win32.Fasec [Ikarus] | 9 |
| DNSChanger.r [McAfee] | 8 |
| Packed.Win32.Tdss.c [Kaspersky Lab] | 8 |
| Troj/FakeAV-AIA [Sophos] | 8 |
| DNSChanger.f.gen.a [McAfee] | 7 |
| Generic.Win32.Malware [Ikarus] | 7 |
| Mal/EncPk-CZ [Sophos] | 6 |
| Generic PWS.y [McAfee] | 5 |
| Packed.Win32.Tdss.f [Kaspersky Lab] | 5 |
| Mal/EncPk-HT, Mal/FakeVirPk-A, Mal/TDSS-A [Sophos] | 4 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.x [Kaspersky Lab] | 4 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.z [Kaspersky Lab] | 4 |
| Troj/FakeVir-KG [Sophos] | 4 |
| Trojan.Win32.Tdss.arvy [Kaspersky Lab] | 4 |
| Mal/TDSS-A, Mal/FakeVirPk-A [Sophos] | 3 |
| Rootkit.Win32.TDSS.dbo [Kaspersky Lab] | 3 |
| Trojan.Crypt [Ikarus] | 3 |
| FakeAlert-SpywareGuard.gen.b [McAfee] | 2 |
| Generic FakeAlert.c [McAfee] | 2 |
| Mal/EncPk-GR, Mal/EncPk-GR [Sophos] | 2 |
| Mal/FakeVirPk-A, Mal/EncPk-CZ [Sophos] | 2 |
| Mal/TDSSPack-E [Sophos] | 2 |
| Mal/TibsPk-A [Sophos] | 2 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.ax [Kaspersky Lab] | 2 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.bf [Kaspersky Lab] | 2 |
| Program:Win32/FakeSpyguard [Microsoft] | 2 |
| Trojan.FraudPack!sd6 [PC Tools] | 2 |
| Trojan.Win32.FraudPack [Ikarus] | 2 |
| Trojan.Win32.FraudPack.amm [Kaspersky Lab] | 2 |
| Trojan:Win32/Alureon.BJ [Microsoft] | 2 |
| Trojan:Win32/FakePowav.B [Microsoft] | 2 |
| Trojan:Win32/FakeSpypro [Microsoft] | 2 |
| Worm.Win32.AutoTDSS [Ikarus] | 2 |
| BehavesLike.Win32.Malware [Ikarus] | 1 |
| DNSChanger!h [McAfee] | 1 |
| FakeAlert-AB [McAfee] | 1 |
| FakeAlert-BM [McAfee] | 1 |
| FakeAlert-DB [McAfee] | 1 |
| FakeAlert-EA [McAfee] | 1 |
| FakeAlert-KU [McAfee] | 1 |
| FakeAlert-SpyPro.gen.a [McAfee] | 1 |
| FakeAlert-SpyPro.gen.dr [McAfee] | 1 |
| Generic Downloader.x!yv [McAfee] | 1 |
| Generic FakeAlert!bo [McAfee] | 1 |
| Generic FakeAlert!ee [McAfee] | 1 |
| Generic PUP.x [McAfee] | 1 |
| Mal/Alureon-C, Mal/FakeVirPk-A [Sophos] | 1 |
| Mal/Basine-C [Sophos] | 1 |
| Mal/FakeAV-AD [Sophos] | 1 |
| Mal/FakeAV-AD, Mal/Alureon-C, Mal/FakeVirPk-A, Troj/Virtum-Gen [Sophos] | 1 |
| Mal/FakeAV-BX, Mal/EncPk-MC, Mal/EncPk-MA [Sophos] | 1 |
| Mal/FakeAV-CF [Sophos] | 1 |
| Mal/FakeVirPk-A, Mal/TDSS-A [Sophos] | 1 |
| Mal/TDSS-A [Sophos] | 1 |
| Mal/TDSSPack-J, Mal/TDSSPack-E [Sophos] | 1 |
| Mal/TDSSPack-Q, Mal/EncPk-HT, Mal/FakeVirPk-A, Mal/TDSS-A [Sophos] | 1 |
| Malware-Cryptor.Win32.Rp [Ikarus] | 1 |
| New Malware.ix [McAfee] | 1 |
| not-a-virus:FraudTool.Win32.PrivacyCenter.dt [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.PrivacyCenter.du [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.aa [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.b [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.d [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.s [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.SpywareGuard2008.y [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.WinSpywareProtect.bfc [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.XPAntivirus.gj [Kaspersky Lab] | 1 |
| Packed.Win32.Krap [Ikarus] | 1 |
| Packed.Win32.Krap.ah [Kaspersky Lab] | 1 |
| Packed.Win32.Tdss.a [Kaspersky Lab] | 1 |
| Packed.Win32.TDSS.aa [Kaspersky Lab] | 1 |
| RogueAntiSpyware.WindowsSecuritySuite [PC Tools] | 1 |
| Rootkit.Win32.TDSS.dgl [Kaspersky Lab] | 1 |
| Troj/FakeAV-AHF [Sophos] | 1 |
| Troj/FakeAV-AUU [Sophos] | 1 |
| Troj/FakeVir-IV [Sophos] | 1 |
| Troj/FakeVir-NX [Sophos] | 1 |
| Troj/FakeVir-PU [Sophos] | 1 |
| TROJ_FAKEALRT.CG [Trend Micro] | 1 |
| Trojan.Fakealert [Ikarus] | 1 |
| Trojan.Fakealert.AHX [Ikarus] | 1 |
| Trojan.TDSS!sd6 [PC Tools] | 1 |
| Trojan.Win32.FakeIA [Ikarus] | 1 |
| Trojan.Win32.FakeXPA [Ikarus] | 1 |