| Threat Alias | Number of Incidents |
| TrojanDownloader:Win32/Renos.DU [Microsoft] | 936 |
| Trojan.BHO!sd6 [PC Tools] | 802 |
| Downloader [Symantec] | 648 |
| Generic Downloader.x [McAfee] | 622 |
| Troj/BHO-IA [Sophos] | 440 |
| Trojan.Win32.BHO.iaw [Kaspersky Lab] | 420 |
| Trojan.Fakeavalert [Symantec] | 197 |
| Trojan Horse [Symantec] | 178 |
| Mal/Generic-A [Sophos] | 144 |
| Trojan.Win32.BHO.ibv [Kaspersky Lab] | 144 |
| TrojanDownloader:Win32/Renos.DG [Microsoft] | 110 |
| Trojan.Win32.BHO.iht [Kaspersky Lab] | 109 |
| Mal/FakeVir-E [Sophos] | 103 |
| TrojanDownloader:Win32/Renos.FS [Microsoft] | 100 |
| Generic PUP.x [McAfee] | 94 |
| Downloader-BLQ [McAfee] | 90 |
| Trojan.Win32.BHO.hfl [Kaspersky Lab] | 64 |
| Generic.dx [McAfee] | 57 |
| Troj/Zlob-AQP [Sophos] | 54 |
| Trojan.Win32.BHO.hof [Kaspersky Lab] | 54 |
| Trojan.Adclicker [Symantec] | 48 |
| Trojan.Win32.BHO.kao [Kaspersky Lab] | 46 |
| Mal/Zlob-Z [Sophos] | 43 |
| TROJ_FAKEAVAL.Z [Trend Micro] | 40 |
| Trojan.BHO.Agent [Ikarus] | 40 |
| Trojan.Win32.BHO.ggd [Kaspersky Lab] | 40 |
| Downloader.gen.a [McAfee] | 36 |
| Trojan.Win32.BHO.fby [Kaspersky Lab] | 35 |
| DeepDive [McAfee] | 34 |
| TROJ_ZLOB.EXT [Trend Micro] | 34 |
| Trojan.Win32.BHO.hwv [Kaspersky Lab] | 33 |
| Downloader-BKZ [McAfee] | 30 |
| Troj/Dloadr-BXF [Sophos] | 30 |
| Trojan.Win32.BHO.hwb [Kaspersky Lab] | 30 |
| Backdoor.Trojan [Symantec] | 27 |
| Mal/Behav-004, Mal/EncPk-GF [Sophos] | 27 |
| Trojan.Fakeavalert!sd6 [PC Tools] | 26 |
| Trojan.Adclicker!sd6 [PC Tools] | 25 |
| Adware.Agent!sd6 [PC Tools] | 24 |
| Troj/Agent-INK [Sophos] | 24 |
| Trojan.BHO.MTQ [PC Tools] | 22 |
| Trojan.Win32.BHO.mtq [Kaspersky Lab] | 22 |
| Troj/BHO-HN [Sophos] | 21 |
| Trojan.Win32.BHO.hpd [Kaspersky Lab] | 20 |
| Win-Trojan/Bho.61440.I [AhnLab] | 20 |
| RogueAntiSpyware.SpywareGuard2008 [PC Tools] | 18 |
| Trojan.Win32.BHO.hof [Ikarus] | 18 |
| Trojan.Dropper [Symantec] | 16 |
| TROJ_BHO.IB [Trend Micro] | 15 |
| Trojan:Win32/BHO.Q [Microsoft] | 15 |
| Trojan.Win32.BHO.kmy [Kaspersky Lab] | 14 |
| Trojan.Win32.BHO.geh [Kaspersky Lab] | 13 |
| Downloader.MisleadApp [Symantec] | 12 |
| Mal/Dropper-AC [Sophos] | 12 |
| not-a-virus:AdWare.Win32.Agent.hyx [Kaspersky Lab] | 12 |
| not-a-virus:AdWare.Win32.Agent.hyy [Kaspersky Lab] | 12 |
| Trojan:Win32/BHO.AH [Microsoft] | 12 |
| Trojan:Win32/BHO.AI [Microsoft] | 12 |
| Trojan:Win32/Chepdu.I [Microsoft] | 12 |
| Trojan-Downloader.Win32.Renos.DU [Ikarus] | 12 |
| Virus.Trojan.Win32.BHO.hwv [Ikarus] | 12 |
| Troj/FakeAle-JC [Sophos] | 11 |
| Trojan.Win32.Vapsup.neh [Kaspersky Lab] | 11 |
| Trojan.Zlob [Symantec] | 11 |
| Boaxxe.dr [McAfee] | 10 |
| Trojan.Win32.BHO.inq [Kaspersky Lab] | 10 |
| Trojan.Win32.BHO.hxn [Kaspersky Lab] | 9 |
| Trojan.Win32.BHO.inb [Kaspersky Lab] | 9 |
| Adware-ISM [McAfee] | 8 |
| Generic PUP.a [McAfee] | 8 |
| Mal/EncPk-GF [Sophos] | 8 |
| Mal/Mdrop-B [Sophos] | 8 |
| Trojan.Win32.BHO.jhx [Kaspersky Lab] | 8 |
| Trojan.Win32.BHO.nbg [Kaspersky Lab] | 8 |
| Trojan:Win32/BHO.AM [Microsoft] | 8 |
| Win-Trojan/Xema.variant [AhnLab] | 8 |
| Adware:Win32/AdRotator [Microsoft] | 7 |
| FakeAlert-GS [McAfee] | 7 |
| KvmSecure [Symantec] | 7 |
| Mal/Heuri-E, Mal/Zlob-Z [Sophos] | 7 |
| Troj/BHO-GI [Sophos] | 7 |
| Troj/BHO-JV [Sophos] | 7 |
| Troj/Renos-CX [Sophos] | 7 |
| Trojan.Vundo [Symantec] | 7 |
| Trojan.Win32.BHO.oqi [Kaspersky Lab] | 7 |
| Trojan:Win32/BHO.R [Microsoft] | 7 |
| Win-Trojan/Bho.65536.G [AhnLab] | 7 |
| Adware-BHO.gen.c [McAfee] | 6 |
| FakeAlert-AB [McAfee] | 6 |
| Generic PUP.z [McAfee] | 6 |
| Generic.dx!p [McAfee] | 6 |
| Mal/Renos-C [Sophos] | 6 |
| Mal/Renos-C, Mal/Heuri-E [Sophos] | 6 |
| not-a-virus:AdWare.Win32.Agent [Ikarus] | 6 |
| TROJ_BHO.SP [Trend Micro] | 6 |
| Trojan.Win32.BHO.hxd [Kaspersky Lab] | 6 |
| Trojan.Win32.BHO.ilp [Kaspersky Lab] | 6 |
| Trojan:Win32/BHO.U [Microsoft] | 6 |
| Trojan:Win32/Cefyns.B [Microsoft] | 6 |
| Trojan:Win32/FakeAlert [Microsoft] | 6 |