| Threat Alias | Number of Incidents |
| not-a-virus:AdWare.Win32.BHO.ee [Kaspersky Lab] | 1,786 |
| Adware.BHO!sd5 [PC Tools] | 1,517 |
| Trojan Horse [Symantec] | 530 |
| Adware.BHO.EE [PC Tools] | 309 |
| Adware:Win32/Owlforce [Microsoft] | 239 |
| not-a-virus:AdWare.Win32.BHO.ju [Kaspersky Lab] | 232 |
| Adware.Websearch [Symantec] | 204 |
| Adware-Owlforce.dll [McAfee] | 193 |
| Adware-BHO.gen.d [McAfee] | 160 |
| not-a-virus:AdWare.Win32.BHO.jv [Kaspersky Lab] | 104 |
| Adware:Win32/Agent.C [Microsoft] | 75 |
| Generic PUP.x [McAfee] | 67 |
| Adware.Fotomoto [PC Tools] | 66 |
| Generic.dx [McAfee] | 34 |
| not-a-virus:AdWare.Win32.BHO.ba [Kaspersky Lab] | 32 |
| Adware.BHO.GUG [PC Tools] | 27 |
| Adware.BHO.GUK [PC Tools] | 27 |
| Adware.Cydoor [Symantec] | 27 |
| Trojan.Dropper [Symantec] | 26 |
| Adware-WebSearch [McAfee] | 25 |
| Win-Trojan/Bho.94208.G [AhnLab] | 25 |
| Trojan.Adclicker [Symantec] | 22 |
| not-a-virus:AdWare.Win32.BHO.acy [Kaspersky Lab] | 18 |
| not-a-virus:AdWare.Win32.BHO.db [Kaspersky Lab] | 18 |
| Win-Trojan/Xema.variant [AhnLab] | 17 |
| Mal/Generic-A [Sophos] | 14 |
| Adware.Agent.ZTL [PC Tools] | 10 |
| Adware.BHO.HDQ [PC Tools] | 10 |
| BackDoor-AWQ.b [McAfee] | 10 |
| Mal/EncPk-C [Sophos] | 10 |
| not-a-virus:AdWare.Win32.BHO.bnb [Kaspersky Lab] | 10 |
| not-a-virus:AdWare.Win32.BHO.cd [Kaspersky Lab] | 10 |
| Troj/BHODLL-C [Sophos] | 10 |
| BrowserModifier:Win32/E404 [Microsoft] | 9 |
| Backdoor.Trojan [Symantec] | 8 |
| Mal/BHO-J [Sophos] | 8 |
| BackDoor-TProxy.gen [McAfee] | 6 |
| not-a-virus:AdWare.Win32.BHO.jz [Kaspersky Lab] | 6 |
| Torrent101 [Symantec] | 6 |
| Trojan-Downloader.Win32.Tiny.byt [Kaspersky Lab] | 6 |
| Adware:Win32/Rugo [Microsoft] | 5 |
| Trojan.DR.Alphabet.Gen!Pac [PC Tools] | 5 |
| Adware.BHO.GUY [PC Tools] | 4 |
| Mal/Packer [Sophos] | 4 |
| not-a-virus:AdWare.Win32.BHO.cc [Kaspersky Lab] | 4 |
| not-a-virus:AdWare.Win32.BHO.jz [Ikarus] | 4 |
| not-a-virus:WebToolbar.Win32.BitAccelerator.a [Kaspersky Lab] | 4 |
| Program:Win32/BitAccelerator.A [Microsoft] | 4 |
| Troj/Zlob-Gen [Sophos] | 4 |
| Trojan.generic.A!ct [PC Tools] | 4 |
| Trojan-Downloader.Win32.Alphabet.bp [Kaspersky Lab] | 4 |
| Mal/BHO-I [Sophos] | 3 |
| Mal/Dropper-O, Mal/Behav-214 [Sophos] | 3 |
| Trackware.ProSearch [Symantec] | 3 |
| Troj/BHODLL-Gen [Sophos] | 3 |
| Troj/Capper-Gen, Mal/Dropper-O, Mal/Behav-214 [Sophos] | 3 |
| Trojan.Popuper [PC Tools] | 3 |
| Trojan.Win32.Buzus.mbd [Kaspersky Lab] | 3 |
| Adware.BHO!sd6 [PC Tools] | 2 |
| Adware.BHO.PW [PC Tools] | 2 |
| Adware.Rugo [Symantec] | 2 |
| Generic PUP.z [McAfee] | 2 |
| Infostealer [Symantec] | 2 |
| Mal/Behav-154 [Sophos] | 2 |
| not-a-virus:AdWare.Win32.BHO.akl [Kaspersky Lab] | 2 |
| not-a-virus:AdWare.Win32.BHO.akm [Kaspersky Lab] | 2 |
| not-a-virus:AdWare.Win32.BHO.ca [Kaspersky Lab] | 2 |
| not-a-virus:AdWare.Win32.BHO.et [Kaspersky Lab] | 2 |
| not-a-virus:AdWare.Win32.BHO.tv [Kaspersky Lab] | 2 |
| not-a-virus:AdWare.Win32.BHO.w [Kaspersky Lab] | 2 |
| not-a-virus:AdWare.Win32.E404.d [Kaspersky Lab] | 2 |
| Program:Win32/BitAccelerator.B [Microsoft] | 2 |
| Suspicious.MH690 [Symantec] | 2 |
| Troj/Dropper-RY [Sophos] | 2 |
| Troj/Zlob-Gen, Mal/BHO-I [Sophos] | 2 |
| Trojan.Generic [Ikarus] | 2 |
| Trojan.Linkoptimizer [Symantec] | 2 |
| Trojan.Win32.ConnectionServices.e [Kaspersky Lab] | 2 |
| Trojan.Win32.ConnectionServices.i [Kaspersky Lab] | 2 |
| TrojanClicker:Win32/RuPass [Microsoft] | 2 |
| Trojan-Downloader.Win32.Adload.ko [Kaspersky Lab] | 2 |
| Trojan-Downloader.Win32.Agent.bgpn [Kaspersky Lab] | 2 |
| Trojan-Downloader.Win32.Agent.bgso [Kaspersky Lab] | 2 |
| VirTool:Win32/DelfInject.gen!K [Microsoft] | 2 |
| Win-Trojan/Adclicker.106496 [AhnLab] | 2 |
| Win-Trojan/Connectionservices.36864 [AhnLab] | 2 |
| Adware.BHO.GTT [PC Tools] | 1 |
| Adware.BHO.HFQ [PC Tools] | 1 |
| Adware.BHO.HQM [PC Tools] | 1 |
| Adware.BHO.K [PC Tools] | 1 |
| Adware.Borlan [PC Tools] | 1 |
| Adware.Borlan [Symantec] | 1 |
| Adware.Gen [Symantec] | 1 |
| Adware.Roogoo [Symantec] | 1 |
| Adware-Crackedearth [McAfee] | 1 |
| Adware-CyDoor [McAfee] | 1 |
| Backdoor:Win32/Ripinip.C [Microsoft] | 1 |
| BrowserModifier:Win32/Fotomoto [Microsoft] | 1 |
| Downloader [Symantec] | 1 |
| Generic BackDoor [McAfee] | 1 |