| Threat Alias | Number of Incidents |
| Downloader-ASH.gen.b [McAfee] | 304 |
| Joke.Blusod [Symantec] | 304 |
| Application.BluSOD [PC Tools] | 261 |
| New Malware.bl [McAfee] | 261 |
| Trojan:Win32/Tibs.HP [Microsoft] | 219 |
| Trojan Horse [Symantec] | 191 |
| Trojan:Win32/Tibs.J [Microsoft] | 143 |
| Infostealer.Gampass [Symantec] | 109 |
| Suspicious.MH690 [Symantec] | 105 |
| Trojan.Win32.Bohmini.A [Ikarus] | 77 |
| Generic.dx [McAfee] | 74 |
| PWS:Win32/Ldpinch.BC [Microsoft] | 64 |
| Trojan-Downloader.Firu [Ikarus] | 58 |
| Backdoor.Win32.Rukap.f [Ikarus] | 54 |
| Trojan-Spy.Win32.Webmoner [Ikarus] | 53 |
| New Malware.bj [McAfee] | 51 |
| Joke-Bluescreen.c [McAfee] | 45 |
| Win-Trojan/Midgare.34685 [AhnLab] | 40 |
| Trojan.Peed [Ikarus] | 39 |
| New Malware.fa [McAfee] | 38 |
| Trojan.Win32.Midgare.mqa [Kaspersky Lab] | 37 |
| Generic Downloader.x [McAfee] | 36 |
| Generic.Trojan-Downloader.JKGD [Ikarus] | 33 |
| Virus.Win32.Crypt.CIK [Ikarus] | 32 |
| FakeAlert-AG [McAfee] | 27 |
| SecurityRisk.Downldr [Symantec] | 27 |
| Trojan.Crypt [Ikarus] | 25 |
| Trojan-GameThief.Win32.OnLineGames.bmns [Kaspersky Lab] | 24 |
| New Win32 [McAfee] | 23 |
| Trojan.Generic [PC Tools] | 20 |
| Win-Trojan/OnlineGameHack.20008.AE [AhnLab] | 18 |
| Backdoor.Bifrose [Symantec] | 17 |
| Trojan.Midgare.mqa [PC Tools] | 17 |
| Trojan-GameThief.Win32.OnLineGames [Ikarus] | 17 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 17 |
| Win32/Virut.F [AhnLab] | 17 |
| BackDoor-CEP!hv.a [McAfee] | 15 |
| Trojan.Blusod [Symantec] | 15 |
| Trojan.Skintrim [Symantec] | 15 |
| Trojan-Dropper.Win32.Nemqe [Ikarus] | 15 |
| Win32/NSAnti.suspicious [AhnLab] | 15 |
| Packed.Generic.198 [Symantec] | 14 |
| Packed.Generic.73 [Symantec] | 13 |
| Win-Trojan/Xema.variant [AhnLab] | 13 |
| Trojan-PSW.Gampass [PC Tools] | 12 |
| Downloader [Symantec] | 11 |
| Infostealer [Symantec] | 11 |
| Spyware.Downldr!sd6 [PC Tools] | 11 |
| W32.Virut.CF [Symantec] | 11 |
| Downloader.gen.a [McAfee] | 10 |
| PWS-LDPinch [McAfee] | 10 |
| Trojan-Downloader.Win32.Small [Ikarus] | 10 |
| Backdoor.Trojan [Symantec] | 9 |
| New Poly Win32 [McAfee] | 9 |
| P2P-Worm.Win32.SpyBot.gl [Ikarus] | 9 |
| Trojan-Dropper.Agent [Ikarus] | 9 |
| Generic Downloader.ab [McAfee] | 8 |
| PWS:Win32/OnLineGames.N [Microsoft] | 8 |
| Trojan:Win32/Tibs.GF [Microsoft] | 8 |
| Trojan-GameThief.Win32.OnLineGames.vxme [Kaspersky Lab] | 8 |
| Trojan.Peacomm [Symantec] | 7 |
| Virus:Win32/Virut.BM [Microsoft] | 7 |
| Generic Malware.co [McAfee] | 6 |
| PWS-Mmorpg!cs [McAfee] | 6 |
| PWS-Mmorpg.gen [McAfee] | 6 |
| Trojan.Patchep [Symantec] | 6 |
| Virus.Win32.Sality [Ikarus] | 6 |
| W32.Ircbrute [Symantec] | 6 |
| WORM_NUCRP.GEN [Trend Micro] | 6 |
| Downloader-BAI!M711 [McAfee] | 5 |
| Generic PWS.y [McAfee] | 5 |
| New Malware.cn [McAfee] | 5 |
| Packed.Generic.76 [Symantec] | 5 |
| Trojan.Win32.Midgare [Ikarus] | 5 |
| Trojan-Banker.Win32.Bancos [Ikarus] | 5 |
| Virus.Win32.Agent.UWD [Ikarus] | 5 |
| Virus.Win32.Bifrose [Ikarus] | 5 |
| W32.Mixor.Q@mm [Symantec] | 5 |
| W32.SillyFDC [Symantec] | 5 |
| Backdoor.Win32.Haxdoor [Ikarus] | 4 |
| Backdoor:Win32/Poison.M [Microsoft] | 4 |
| Downloader-BAI.gen [McAfee] | 4 |
| Generic BackDoor [McAfee] | 4 |
| Mal_MLWR-1 [Trend Micro] | 4 |
| Packed.Generic.114 [Symantec] | 4 |
| PWS-Nemqe.dr [McAfee] | 4 |
| Trojan.Agent.B!ct [PC Tools] | 4 |
| Trojan.Packed.13 [Symantec] | 4 |
| Trojan.Win32.Agent.ltz [Kaspersky Lab] | 4 |
| Trojan.Win32.Midgare.nfv [Kaspersky Lab] | 4 |
| Trojan:Win32/Tibs.gen!B [Microsoft] | 4 |
| Trojan-Dropper.Win32.Delf [Ikarus] | 4 |
| TrojanDropper:Win32/Nuwar.gen!lds [Microsoft] | 4 |
| Virus.Win32.Delf.IFY [Ikarus] | 4 |
| Win-Trojan/Agent.96256.AS [AhnLab] | 4 |
| Backdoor.Win32.PoisonIvy.ay [Ikarus] | 3 |
| Backdoor.Win32.VB [Ikarus] | 3 |
| BackDoor-DSH [McAfee] | 3 |
| Downloader.Trojan [Symantec] | 3 |
| Email-Worm.Win32.VB.fn [Ikarus] | 3 |