| Threat Alias | Number of Incidents |
| Mal/Behav-009 [Sophos] | 374 |
| Trojan Horse [Symantec] | 214 |
| Trojan.Startpage [Symantec] | 69 |
| Mal/Behav-236, Mal/Behav-009 [Sophos] | 49 |
| Generic StartPage [McAfee] | 47 |
| W32.SillyFDC [Symantec] | 45 |
| Mal/Generic-A [Sophos] | 42 |
| TROJ_AGENT.APDC [Trend Micro] | 29 |
| Trojan.Win32.StartPage.dcr [Kaspersky Lab] | 25 |
| Downloader [Symantec] | 20 |
| Trojan.Startpage!sd6 [PC Tools] | 20 |
| Generic.dx [McAfee] | 19 |
| Win-Trojan/Xema.variant [AhnLab] | 18 |
| Mal/Behav-204 [Sophos] | 17 |
| Worm:Win32/Delf.BD [Microsoft] | 17 |
| Backdoor.Win32.Wuca.cw [Kaspersky Lab] | 16 |
| Trojan:Win32/Dreammon.C [Microsoft] | 14 |
| Worm.Win32.Delf.dw [Kaspersky Lab] | 14 |
| Generic.dx!wa [McAfee] | 12 |
| W32/Kukoo-D [Sophos] | 12 |
| WORM_DELF.AG [Trend Micro] | 12 |
| W32.Chiko [Symantec] | 11 |
| Suspicious.MH690 [Symantec] | 10 |
| Trojan.Win32.StartPage.apb [Kaspersky Lab] | 10 |
| W32/Generic.worm.ac [McAfee] | 10 |
| Adware.SuperUtilBar [PC Tools] | 9 |
| StartPage-DU.dll [McAfee] | 9 |
| Trojan.Win32.StartPage.cyi [Kaspersky Lab] | 9 |
| W32/Chike [McAfee] | 9 |
| Win-Trojan/Xema.377344 [AhnLab] | 9 |
| Trojan.Win32.StartPage.ajh [Kaspersky Lab] | 8 |
| Trojan:Win32/Chepdu.A [Microsoft] | 8 |
| Adware-BHO.gen.b [McAfee] | 7 |
| Generic Downloader.x [McAfee] | 7 |
| Trojan.Win32.StartPage.bdv [Kaspersky Lab] | 7 |
| Backdoor.Trojan [Symantec] | 6 |
| Trojan:Win32/Startpage [Microsoft] | 6 |
| Win-Trojan/Wuca.33480.B [AhnLab] | 6 |
| Worm.Win32.AutoRun.cis [Kaspersky Lab] | 6 |
| Downloader.Trojan [Symantec] | 5 |
| Generic Rootkit.d [McAfee] | 5 |
| Generic StartPage.w [McAfee] | 5 |
| Troj/BHO-HR [Sophos] | 5 |
| Trojan.Startpage [PC Tools] | 5 |
| Trojan.Win32.StartPage.dlw [Kaspersky Lab] | 5 |
| Trojan.Win32.StartPage.po [Kaspersky Lab] | 5 |
| W32.SillyDC [Symantec] | 5 |
| Worm.Delf.ALXS [PC Tools] | 5 |
| Adware.CoolWebSearch [Symantec] | 4 |
| Backdoor.Graybird.GEN [PC Tools] | 4 |
| Backdoor.Win32.Wuca.am [Kaspersky Lab] | 4 |
| Backdoor.Win32.Wuca.an [Kaspersky Lab] | 4 |
| Exploit.IMG-WMF [PC Tools] | 4 |
| Generic StartPage!l [McAfee] | 4 |
| Mal/Behav-112 [Sophos] | 4 |
| New Malware.aj [McAfee] | 4 |
| not-a-virus:AdWare.Win32.SearchPage [Kaspersky Lab] | 4 |
| Packed/Upack [AhnLab] | 4 |
| Troj/StartP-BC [Sophos] | 4 |
| TROJ_SEARCHPAG.A [Trend Micro] | 4 |
| TROJ_STARTPA.APB [Trend Micro] | 4 |
| TROJ_STARTPA.EGH [Trend Micro] | 4 |
| Trojan.StartPage.ANB [PC Tools] | 4 |
| Trojan.Startpage.M [Symantec] | 4 |
| Trojan.Win32.BHO.flv [Kaspersky Lab] | 4 |
| Trojan.Win32.StartPage.cyk [Kaspersky Lab] | 4 |
| Trojan.Win32.StartPage.ix [Kaspersky Lab] | 4 |
| Trojan:Win32/Startpage.YI [Microsoft] | 4 |
| W32/Autorun.worm.n [McAfee] | 4 |
| W32/Autorun-LS [Sophos] | 4 |
| W32/Ickie-A [Sophos] | 4 |
| W32/Sdbot-DKG [Sophos] | 4 |
| Win-Trojan/StartPage.21192 [AhnLab] | 4 |
| Win-Trojan/StartPage.378880 [AhnLab] | 4 |
| Win-Trojan/StartPage.454656 [AhnLab] | 4 |
| Worm:Win32/Autorun.EE [Microsoft] | 4 |
| Worm:Win32/Autorun.PP [Microsoft] | 4 |
| Adware-CWS [McAfee] | 3 |
| Backdoor.Graybird [Symantec] | 3 |
| Backdoor.Graybird!Gen [Symantec] | 3 |
| Backdoor.Win32.Wuca.al [Kaspersky Lab] | 3 |
| Backdoor.Win32.Wuca.bq [Kaspersky Lab] | 3 |
| Downloader-BLE!a [McAfee] | 3 |
| Generic BackDoor [McAfee] | 3 |
| Generic Dropper.ex [McAfee] | 3 |
| Generic StartPage!ct [McAfee] | 3 |
| Generic StartPage!da [McAfee] | 3 |
| Troj/Ablank-Gen [Sophos] | 3 |
| TROJ_STARTPG.C [Trend Micro] | 3 |
| Trojan.Generic [PC Tools] | 3 |
| Trojan.Win32.BHO.eek [Kaspersky Lab] | 3 |
| Trojan.Win32.StartPage.ewy [Kaspersky Lab] | 3 |
| Trojan.Win32.StartPage.frc [Kaspersky Lab] | 3 |
| Trojan-Downloader.Win32.Agent.jz [Kaspersky Lab] | 3 |
| VirTool:Win32/DelfInject.gen!L [Microsoft] | 3 |
| Win-Trojan/StartPage.377856 [AhnLab] | 3 |
| Win-Trojan/StartPage.88576.D [AhnLab] | 3 |
| Win-Trojan/Wuca.33480.E [AhnLab] | 3 |
| Worm.AutoRun.AHJ [PC Tools] | 3 |
| Backdoor.Delf!sd5 [PC Tools] | 2 |