| Threat Alias | Number of Incidents |
| Packed.Win32.TDSS.aa [Kaspersky Lab] | 201 |
| FakeAlert-JU [McAfee] | 122 |
| Trojan.Vundo [Symantec] | 120 |
| Worm:Win32/Vundo.B [Microsoft] | 61 |
| Trojan.Vundo [PC Tools] | 60 |
| WindowsAntivirusPro [Symantec] | 44 |
| Trojan:Win32/FakeSpyguard [Microsoft] | 39 |
| RogueAntiSpyware.WindowsAntivirusPro [PC Tools] | 38 |
| Trojan:Win32/FakeCog [Microsoft] | 37 |
| FakeAlert-FQ [McAfee] | 20 |
| Packed.Win32.Tdss [Ikarus] | 16 |
| Trojan:Win32/Alureon.CT [Microsoft] | 13 |
| Win-Trojan/Xema.variant [AhnLab] | 13 |
| Trojan.FakeAV [Symantec] | 11 |
| Trojan:Win32/Alureon.BT [Microsoft] | 11 |
| DNSChanger.p [McAfee] | 10 |
| FakeAlert-KT [McAfee] | 9 |
| Packed.Generic.254 [Symantec] | 9 |
| AntiVirus2008 [Symantec] | 8 |
| Suspicious.MH690 [Symantec] | 8 |
| Trojan.Win32.FraudPack.acif [Kaspersky Lab] | 8 |
| TrojanSpy:Win32/Chadem.A [Microsoft] | 7 |
| Trojan:Win32/InternetAntivirus [Microsoft] | 6 |
| Trojan.Win32.Alureon [Ikarus] | 5 |
| FakeAlert-KU [McAfee] | 4 |
| Generic FakeAlert!dj [McAfee] | 4 |
| RogueAntiSpyware.AntiVirus2008 [PC Tools] | 4 |
| Suspicious.Graybird.1 [Symantec] | 4 |
| Trojan.FakeAlert [PC Tools] | 4 |
| Trojan.FakeAV [PC Tools] | 4 |
| Mal/TDSSPack-Q, Mal/FakeAV-BP [Sophos] | 3 |
| Trojan.Generic [PC Tools] | 3 |
| Trojan:Win32/Alureon.BF [Microsoft] | 3 |
| DNSChanger.at [McAfee] | 2 |
| DNSChanger.r [McAfee] | 2 |
| Gen.Trojan [Ikarus] | 2 |
| HeurEngine.MaliciousPacker [PC Tools] | 2 |
| Mal/EncPk-ND, Mal/FakeAV-BP [Sophos] | 2 |
| Suspicious.Vundo.2 [Symantec] | 2 |
| Trojan Horse [Symantec] | 2 |
| Trojan.Win32.FakeCog [Ikarus] | 2 |
| Trojan.Win32.FakeSpyguard [Ikarus] | 2 |
| Trojan.Win32.InternetAntivirus [Ikarus] | 2 |
| Trojan:Win32/Alureon.DC [Microsoft] | 2 |
| Trojan-Downloader.Win32.FraudLoad.wwwh [Kaspersky Lab] | 2 |
| Trojan-Dropper.Win32.Agent.bihg [Kaspersky Lab] | 2 |
| Trojan-Dropper.Win32.Agent.bihi [Kaspersky Lab] | 2 |
| Virus.Packed.Win32.Tdss [Ikarus] | 2 |
| Win-Trojan/Malware.1196032.B [AhnLab] | 2 |
| Application.Maybe_RogueAV [PC Tools] | 1 |
| Backdoor.Tidserv [Symantec] | 1 |
| Backdoor.Win32.Small.irf [Kaspersky Lab] | 1 |
| DNSChanger!cx [McAfee] | 1 |
| Downloader.MisleadApp [Symantec] | 1 |
| Dropper/Malware.16896.F [AhnLab] | 1 |
| FakeAlert-JN [McAfee] | 1 |
| Generic PWS.y!bfv [McAfee] | 1 |
| Generic.dx!hca [McAfee] | 1 |
| HeurEngine.Vundo [PC Tools] | 1 |
| Packed.Generic.277 [Symantec] | 1 |
| RogueAntiSpyware.InternetAntivirus [PC Tools] | 1 |
| Trojan.Win32.FakeAV [Ikarus] | 1 |
| Trojan.Win32.FraudPack.abrj [Kaspersky Lab] | 1 |
| Trojan.Win32.FraudPack.ykn [Kaspersky Lab] | 1 |
| Trojan.Win32.Pakes.nse [Kaspersky Lab] | 1 |
| Trojan.Win32.Pincav.mwo [Kaspersky Lab] | 1 |
| Trojan.Win32.Tdss.auzn [Kaspersky Lab] | 1 |
| Trojan.Win32.Tdss.avmt [Kaspersky Lab] | 1 |
| Trojan:Win32/Alureon.DA [Microsoft] | 1 |
| Trojan:Win32/Alureon.gen!U [Microsoft] | 1 |
| Trojan-Downloader.Win32.FraudLoad.fyg [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.FraudLoad.wwlg [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.FraudLoad.wwso [Kaspersky Lab] | 1 |
| TrojanDownloader:Win32/FakeSmoke [Microsoft] | 1 |
| TrojanSpy:Win32/Bebloh.A [Microsoft] | 1 |
| Win-Trojan/Agent.66048.DE [AhnLab] | 1 |
| Win-Trojan/BypassAgent.52736.DS [AhnLab] | 1 |
| Win-Trojan/BypassAgent.52736.DT [AhnLab] | 1 |
| Win-Trojan/Downloader.28672.SC [AhnLab] | 1 |
| Win-Trojan/Downloader.32768.SA [AhnLab] | 1 |
| Win-Trojan/FakeAlert.28672.B [AhnLab] | 1 |
| Win-Trojan/Fakealert.950272 [AhnLab] | 1 |
| Win-Trojan/Malware.1146880.D [AhnLab] | 1 |
| Win-Trojan/Malware.1187840.F [AhnLab] | 1 |
| Win-Trojan/Malware.38400.M [AhnLab] | 1 |
| Win-Trojan/Tdss.32768 [AhnLab] | 1 |