| Threat Alias | Number of Incidents |
| TROJ_AGENT.VJC [Trend Micro] | 39,150 |
| Trojan-Downloader.Win32.Agent.bfj [Kaspersky Lab] | 36,542 |
| Backdoor.Trojan [Symantec] | 19,875 |
| Generic.dx [McAfee] | 18,913 |
| PE_CORELINK.C-O [Trend Micro] | 6,115 |
| W32/Almanahe.dll [McAfee] | 6,115 |
| Trojan-Downloader.Win32.Agent.bsi [Kaspersky Lab] | 5,512 |
| W32.Almanahe.B [Symantec] | 2,881 |
| Troj/Agent-FUR [Sophos] | 2,707 |
| Trojan:Win32/Almanahe.E.dll [Microsoft] | 2,513 |
| Trojan-Dropper.Agent [Ikarus] | 2,420 |
| Win-Trojan/Alman.46592 [AhnLab] | 1,275 |
| Bloodhound.Unknown [Symantec] | 1,034 |
| Trojan-Downloader.Win32.Agent.dbt [Kaspersky Lab] | 1,014 |
| Hacktool.Rootkit [Symantec] | 991 |
| VirTool:WinNT/Knockex.D [Microsoft] | 731 |
| Troj/Rootkit-DS [Sophos] | 624 |
| Win-Trojan/Agent.3552 [AhnLab] | 338 |
| Trojan-Downloader.Win32.Agent.lab [Kaspersky Lab] | 208 |
| TrojanDownloader:Win32/Agent [Microsoft] | 199 |
| W32.Mandaph [Symantec] | 182 |
| Downloader [Symantec] | 156 |
| Trojan-Downloader.Win32.Agent.gwh [Kaspersky Lab] | 142 |
| New Malware.bx [McAfee] | 137 |
| TROJ_AGENT.HVX [Trend Micro] | 130 |
| Downloader.gen.a [McAfee] | 114 |
| Virus.Win32.Alman.b [Kaspersky Lab] | 108 |
| Trojan-Dropper.Agent [PC Tools] | 104 |
| WORM_SOCKS.BL [Trend Micro] | 91 |
| Trojan-Downloader.Small [Ikarus] | 78 |
| Mal/Heuri-D, Mal/Koceg-A [Sophos] | 65 |
| Trojan Horse [Symantec] | 53 |
| Trojan-Downloader.Win32.Agent.akh [Kaspersky Lab] | 32 |
| Trojan-Downloader.Win32.Agent.gdi [Kaspersky Lab] | 30 |
| Generic.ff [McAfee] | 28 |
| Backdoor.Knocker [PC Tools] | 26 |
| Infostealer.Gampass [Symantec] | 26 |
| Mal/Koceg-A [Sophos] | 26 |
| Trojan-Downloader.Agent!ct [PC Tools] | 26 |
| Win-Trojan/Agent.71680.BR [AhnLab] | 26 |
| Matcash [McAfee] | 25 |
| TROJ_DLOADER.LL [Trend Micro] | 25 |
| Mal_Infostl [Trend Micro] | 24 |
| Trojan.Adclicker [Symantec] | 23 |
| TROJ_Generic [Trend Micro] | 22 |
| Trojan-Downloader.Win32.Agent.bca [Kaspersky Lab] | 20 |
| Generic Downloader [McAfee] | 19 |
| TROJ_AGENT.AIAX [Trend Micro] | 18 |
| Trojan-Downloader.Win32.Agent.atb [Kaspersky Lab] | 18 |
| Trojan-Downloader.Win32.Agent.bnm [Kaspersky Lab] | 18 |
| Adware-SoJus [McAfee] | 16 |
| SecurityRisk.Downldr [Symantec] | 16 |
| TROJ_AGENT.FCM [Trend Micro] | 16 |
| TROJ_DLOADER.DFX [Trend Micro] | 16 |
| Trojan-Downloader.Win32.Agent.apu [Kaspersky Lab] | 16 |
| Trojan-Downloader.Win32.Agent.gah [Kaspersky Lab] | 15 |
| Spy-Agent.bv [McAfee] | 14 |
| Trojan-Downloader.Small.AAKR [Ikarus] | 13 |
| Downloader.Trojan [Symantec] | 12 |
| TROJ_AGENT.CZC [Trend Micro] | 12 |
| Trojan-Downloader.Win32.Agent.avr [Kaspersky Lab] | 12 |
| Trojan.Dropper [Symantec] | 11 |
| Generic Downloader.ab [McAfee] | 10 |
| Generic Downloader.z [McAfee] | 10 |
| Generic Downloader.r [McAfee] | 9 |
| TROJ_AGENT.FFY [Trend Micro] | 9 |
| TROJ_DLOADER.JGY [Trend Micro] | 9 |
| Trojan-Downloader.Win32.Agent.ebw [Kaspersky Lab] | 9 |
| Trojan-Downloader.Win32.Agent.hnp [Kaspersky Lab] | 9 |
| Mal/Generic-A [Sophos] | 8 |
| TROJ_AGENT.ADPQ [Trend Micro] | 8 |
| TROJ_AGENT.QKA [Trend Micro] | 8 |
| Trojan-Downloader.Win32.Adload.jm [Kaspersky Lab] | 8 |
| Trojan-Downloader.Win32.Agent.bls [Kaspersky Lab] | 8 |
| W32.Monikey@mm [Symantec] | 8 |
| Adware-MaxSearch [McAfee] | 7 |
| Hacktool.Proxy [Symantec] | 7 |
| Trojan-Downloader.Win32.Agent.bl [Kaspersky Lab] | 7 |
| Trojan-Downloader.Win32.Agent.uj [Kaspersky Lab] | 7 |
| Dialer.WebCont [Symantec] | 6 |
| Downloader-BGX [McAfee] | 6 |
| Infostealer [Symantec] | 6 |
| TROJ_AGENT.TM [Trend Micro] | 6 |
| TROJ_CLICKER.WI [Trend Micro] | 6 |
| TROJ_DLOADER.DMI [Trend Micro] | 6 |
| TROJ_VUNDO.AAO [Trend Micro] | 6 |
| Trojan-Downloader.Win32.Agent.akq [Kaspersky Lab] | 6 |
| Trojan-Downloader.Win32.Agent.auv [Kaspersky Lab] | 6 |
| Trojan-Downloader.Win32.Agent.bes [Kaspersky Lab] | 6 |
| Trojan-Downloader.Win32.Agent.bkd [Kaspersky Lab] | 6 |
| Adware.MaxSearch [Symantec] | 5 |
| Spam-Mailbot.f.gen [McAfee] | 5 |
| TROJ_AGENT.RGN [Trend Micro] | 5 |
| TROJ_AGENT.VIR [Trend Micro] | 5 |
| TROJ_DLOADER.HGW [Trend Micro] | 5 |
| TROJ_DLOADER.SM [Trend Micro] | 5 |
| Trojan-Downloader.Win32.Agent.dve [Kaspersky Lab] | 5 |
| Trojan-Downloader.Win32.Agent.tk [Kaspersky Lab] | 5 |
| WORM_NUCRP.GEN [Trend Micro] | 5 |
| Generic AdClicker.v [McAfee] | 4 |