| Threat Alias | Number of Incidents |
| Trojan.Win32.Monder.bdnr [Kaspersky Lab] | 98 |
| Trojan.Vundo [Symantec] | 95 |
| Rootkit.Win32.Agent.gvt [Kaspersky Lab] | 81 |
| Program:Win32/Antivirus2009 [Microsoft] | 68 |
| Generic PUP.z [McAfee] | 66 |
| Mal/Generic-A [Sophos] | 44 |
| Generic Dropper.cx [McAfee] | 40 |
| Mal/EncPk-HW [Sophos] | 40 |
| Hacktool.Rootkit [Symantec] | 36 |
| Generic.dx [McAfee] | 30 |
| Trojan.Adclicker [Symantec] | 25 |
| Mal/EncPk-HJ [Sophos] | 22 |
| TrojanDownloader:Win32/Fakeinit [Microsoft] | 22 |
| Hacktool.Rootkit!sd6 [PC Tools] | 20 |
| Generic Rootkit.d [McAfee] | 18 |
| Troj/Virtum-Gen [Sophos] | 17 |
| Trojan.Win32.Agent.asus [Kaspersky Lab] | 16 |
| Trojan.Adclicker!sd6 [PC Tools] | 15 |
| Trojan Horse [Symantec] | 13 |
| PWS:Win32/Zbot.NK [Microsoft] | 12 |
| Trojan:Win32/Vundo.KZ [Microsoft] | 12 |
| Trojan.Dropper [Symantec] | 11 |
| Infostealer [Symantec] | 10 |
| Troj/Dropr-BG [Sophos] | 10 |
| Generic BackDoor [McAfee] | 9 |
| Infostealer.Banker.C [Symantec] | 9 |
| Trojan:Win32/VB [Microsoft] | 9 |
| Trojan-Spy.Win32.Zbot.ffw [Kaspersky Lab] | 9 |
| Win-Trojan/Agent.6912.E [AhnLab] | 9 |
| Trojan.Vundo!sd6 [PC Tools] | 8 |
| Vundo [McAfee] | 8 |
| Backdoor.Trojan [Symantec] | 7 |
| Backdoor:WinNT/Rustock.E [Microsoft] | 7 |
| Generic Dropper.hf [McAfee] | 6 |
| Keylog-PAL [McAfee] | 6 |
| Trojan.Win32.Agent.airw [Kaspersky Lab] | 6 |
| Win-Trojan/Xema.variant [AhnLab] | 6 |
| Trojan-Downloader.Win32.Agent.bgzf [Kaspersky Lab] | 5 |
| Trojan-Downloader.Win32.Agent.biiw [Kaspersky Lab] | 5 |
| Application.Component.PAL_Solutions [PC Tools] | 4 |
| Backdoor:Win32/Poisonivy.E [Microsoft] | 4 |
| DNSChanger.r [McAfee] | 4 |
| Mal/Alureon-C, Mal/FakeVirPk-A [Sophos] | 4 |
| Packed.Generic.200 [Symantec] | 4 |
| Packed.Win32.Tdss.c [Kaspersky Lab] | 4 |
| Trojan.Dropper [PC Tools] | 4 |
| Trojan.Win32.VB.vds [Kaspersky Lab] | 4 |
| Virus.Win32.Agent.dg [Kaspersky Lab] | 4 |
| Win32/Triff.worm.44774 [AhnLab] | 4 |
| Win-Trojan/Agent.10752.GO [AhnLab] | 4 |
| Win-Trojan/Poison.24190 [AhnLab] | 4 |
| Infostealer.Gampass [Symantec] | 3 |
| Trojan.Agent!sd6 [PC Tools] | 3 |
| Trojan.Win32.Agent [Ikarus] | 3 |
| Trojan-Dropper.Win32.Agent.amam [Kaspersky Lab] | 3 |
| Trojan-Spy.Banker!sd6 [PC Tools] | 3 |
| W32/Virut.gen [McAfee] | 3 |
| Backdoor.Paproxy [Symantec] | 2 |
| Backdoor.Winnt [Ikarus] | 2 |
| Downloader [Symantec] | 2 |
| FakeAlert-BV [McAfee] | 2 |
| Generic Dropper.fd [McAfee] | 2 |
| Generic PWS.ak [McAfee] | 2 |
| Generic PWS.y [McAfee] | 2 |
| Mal/EncPk-CO [Sophos] | 2 |
| Mal/Frethog-B [Sophos] | 2 |
| Mal/Generic-A, Mal/RKRustok-B [Sophos] | 2 |
| Packed.Generic.187 [Symantec] | 2 |
| PE_VIRUT.D [Trend Micro] | 2 |
| Troj/FakeVir-KC [Sophos] | 2 |
| TROJ_FAKEAV.BDO [Trend Micro] | 2 |
| Trojan.Fakeavalert [Symantec] | 2 |
| Trojan:Win32/Tibs.IT [Microsoft] | 2 |
| TrojanDownloader:Win32/Renos.GX [Microsoft] | 2 |
| Virus.Win32.Virut.n [Kaspersky Lab] | 2 |
| Virus:Win32/Virut.AK [Microsoft] | 2 |
| W32.Virut.B [Symantec] | 2 |
| W32/Vetor-A [Sophos] | 2 |
| Win32.Virut.Gen [PC Tools] | 2 |
| Win-Trojan/Agent.81931.J [AhnLab] | 2 |
| Win-Trojan/Peed.86750 [AhnLab] | 2 |
| Adware.ISMonitor [Symantec] | 1 |
| Adware:Win32/InternetSpeedMonitor [Microsoft] | 1 |
| Backdoor.Sdbot [Symantec] | 1 |
| Backdoor.Win32.Agent.aexk [Kaspersky Lab] | 1 |
| Backdoor.Win32.Agent.swi [Kaspersky Lab] | 1 |
| Backdoor.Win32.SdBot.kvo [Kaspersky Lab] | 1 |
| Backdoor.Win32.VanBot.bbc [Kaspersky Lab] | 1 |
| Backdoor:Win32/IRCbot.CK [Microsoft] | 1 |
| Backdoor:WinNT/Rustock.H [Microsoft] | 1 |
| Bredolab!a [McAfee] | 1 |
| DNSChanger.gen [McAfee] | 1 |
| Downloader-ASH.gen.b [McAfee] | 1 |
| Email-Worm.Win32.Joleee.gu [Kaspersky Lab] | 1 |
| Generic Downloader.x [McAfee] | 1 |
| Generic Dropper.bw [McAfee] | 1 |
| Generic Dropper.p [McAfee] | 1 |
| Generic FakeAlert.a [McAfee] | 1 |
| Generic PUP.x [McAfee] | 1 |
| Generic.dx!ed [McAfee] | 1 |