| Threat Alias | Number of Incidents |
| Packed.Win32.TDSS.z [Kaspersky Lab] | 245 |
| Packed.Win32.TDSS.aa [Kaspersky Lab] | 173 |
| Mal/Generic-A [Sophos] | 129 |
| FakeAlert-FQ [McAfee] | 86 |
| Packed.Generic.277 [Symantec] | 66 |
| HeurEngine.MaliciousPacker [PC Tools] | 59 |
| Mal/EncPk-ND [Sophos] | 57 |
| DNSChanger.t [McAfee] | 54 |
| Trojan:Win32/Alureon.CT [Microsoft] | 52 |
| Win-Trojan/Fakeav.16896.C [AhnLab] | 49 |
| Suspicious.Vundo.2 [Symantec] | 47 |
| Packed.Win32.Tdss.w [Kaspersky Lab] | 43 |
| Win-Trojan/Xema.variant [AhnLab] | 42 |
| Trojan Horse [Symantec] | 38 |
| Trojan:Win32/Alureon.BK [Microsoft] | 38 |
| Win-Trojan/Alureon.Gen [AhnLab] | 38 |
| Trojan:Win32/Alureon.gen!U [Microsoft] | 36 |
| Mal/TDSSPk-C [Sophos] | 33 |
| Trojan:Win32/Alureon.BH [Microsoft] | 24 |
| Trojan:Win32/Alureon.DA [Microsoft] | 23 |
| Packed.Win32.TDSS.y [Kaspersky Lab] | 22 |
| HeurEngine.Vundo [PC Tools] | 18 |
| Mal/EncPk-KF [Sophos] | 18 |
| Trojan:Win32/Alureon.gen!J [Microsoft] | 18 |
| DNSChanger.ba [McAfee] | 17 |
| Mal/FakeAV-BP [Sophos] | 16 |
| Troj/Rootkit-HR [Sophos] | 16 |
| Win-Trojan/XPack.23040.B [AhnLab] | 16 |
| Downloader [Symantec] | 13 |
| Downloader.Generic [PC Tools] | 12 |
| Backdoor.Tidserv [PC Tools] | 11 |
| Backdoor.Tidserv [Symantec] | 11 |
| Packed.Generic.200 [Symantec] | 11 |
| Trojan:Win32/FakeCog [Microsoft] | 11 |
| Trojan-Spy.Win32.Zbot.aa [Kaspersky Lab] | 11 |
| Packed.Win32.Tdss.c [Kaspersky Lab] | 10 |
| Trojan.FakeAV [Symantec] | 10 |
| CoreGuardAntivirus2009 [Symantec] | 9 |
| RogueAntiSpyware.CoreGuardAntivirus2009 [PC Tools] | 9 |
| Trojan:Win32/Alureon.BU [Microsoft] | 9 |
| Backdoor.Tidserv!gen [Symantec] | 8 |
| Mal/TDSSPack-Q [Sophos] | 7 |
| Trojan:Win32/InternetAntivirus [Microsoft] | 7 |
| Trojan.Generic [PC Tools] | 6 |
| W32/AutoVrt-Gen, Mal/CryptBox-A [Sophos] | 6 |
| DNSChanger.at [McAfee] | 5 |
| FakeAlert-IC [McAfee] | 5 |
| Mal/TDSSPack-W, Mal/TDSSPk-C [Sophos] | 5 |
| Packed.Win32.Tdss.a [Kaspersky Lab] | 5 |
| Trojan-Downloader.Win32.Small.amcd [Kaspersky Lab] | 5 |
| VirTool:Win32/CeeInject.gen!J [Microsoft] | 5 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 5 |
| DNSChanger.as [McAfee] | 4 |
| DNSChanger.aw [McAfee] | 4 |
| DNSChanger.f.gen.a [McAfee] | 4 |
| Mal/EncPk-KG [Sophos] | 4 |
| Mal/TDSS-A, Mal/EncPk-CZ [Sophos] | 4 |
| Mal/TDSSPk-C, Mal/TDSSPack-W, Troj/Virtum-Gen [Sophos] | 4 |
| Packed.Generic.228 [Symantec] | 4 |
| Packed.Win32.Tdss.e [Kaspersky Lab] | 4 |
| Packed.Win32.TDSS.w [Kaspersky Lab] | 4 |
| Trojan.Win32.Agent2.lbl [Kaspersky Lab] | 4 |
| Vundo!m [McAfee] | 4 |
| W32/Xirtem@MM [McAfee] | 4 |
| Win-Trojan/Alureondrv.Gen [AhnLab] | 4 |
| Win-Trojan/Tdlrootkit.75776 [AhnLab] | 4 |
| Downloader.MisleadApp [Symantec] | 3 |
| Mal/EncPk-KF, Mal/TDSSPack-P [Sophos] | 3 |
| Trojan:Win32/Alureon.BT [Microsoft] | 3 |
| Trojan:Win32/Meredrop [Microsoft] | 3 |
| TrojanDownloader:Win32/Rugzip.A [Microsoft] | 3 |
| Backdoor.Tidserv!gen2 [Symantec] | 2 |
| DNSChanger.p [McAfee] | 2 |
| DNSChanger.r [McAfee] | 2 |
| FakeAlert-EJB [McAfee] | 2 |
| FakeAlert-JU [McAfee] | 2 |
| Generic FakeAlert.a [McAfee] | 2 |
| Generic FakeAlert.k [McAfee] | 2 |
| Mal/EncPk-KG, Mal/TDSSPack-Q [Sophos] | 2 |
| Mal/FakeAV-BP, Mal/TDSSPack-Q [Sophos] | 2 |
| Mal/Generic-A, Mal/TDSSPack-Q [Sophos] | 2 |
| Mal/Krap-D, Mal/FakeAV-BP, Troj/Virtum-Gen [Sophos] | 2 |
| Mal/TDSSPack-E, Mal/Alureon-C, Mal/FakeVirPk-A [Sophos] | 2 |
| Mal/TDSSPack-U [Sophos] | 2 |
| Mal/TDSSPk-C, Mal/TDSSPack-W [Sophos] | 2 |
| Packed.Win32.Tdss.f [Kaspersky Lab] | 2 |
| RogueAntiSpyware.WindowsAntivirusPro [PC Tools] | 2 |
| Trojan.FakeAV [PC Tools] | 2 |
| Trojan.Fakeavalert [Symantec] | 2 |
| Trojan.Vundo [Symantec] | 2 |
| Trojan:Win32/Alureon.BF [Microsoft] | 2 |
| Trojan:Win32/Alureon.DH [Microsoft] | 2 |
| WindowsAntivirusPro [Symantec] | 2 |
| Win-Trojan/Malware.1196032.B [AhnLab] | 2 |
| Worm.Win32.AdwareAgent.a [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.gqx [Kaspersky Lab] | 2 |
| DNSChanger!by [McAfee] | 1 |
| DNSChanger.gen [McAfee] | 1 |
| Dropper/Malware.16896.F [AhnLab] | 1 |
| FakeAlert-AB.dldr.gen.a [McAfee] | 1 |