| Threat Alias | Number of Incidents |
| New Win32 [McAfee] | 40 |
| Generic BackDoor.t [McAfee] | 39 |
| New Malware.bx [McAfee] | 39 |
| Mal/Behav-027 [Sophos] | 38 |
| Trojan:Win32/Qhost.V [Microsoft] | 31 |
| Backdoor.Win32.Agent.rtg [Kaspersky Lab] | 29 |
| Trojan.Panddos [Symantec] | 29 |
| Backdoor.GirlinRed [PC Tools] | 27 |
| Mal/Generic-A [Sophos] | 25 |
| Win32/MalPackedB.suspicious [AhnLab] | 24 |
| Backdoor.Graybird [Symantec] | 13 |
| Generic PWS.y [McAfee] | 13 |
| Suspicious.MH690 [Symantec] | 13 |
| Downloader [Symantec] | 12 |
| Worm.Win32.AutoRun.rwr [Kaspersky Lab] | 12 |
| Trojan Horse [Symantec] | 11 |
| Generic BackDoor.c [McAfee] | 10 |
| Generic.dx [McAfee] | 10 |
| Mal/Dropper-P [Sophos] | 10 |
| TrojanSpy:Win32/Agent.PI [Microsoft] | 10 |
| Trojan.Buzus [PC Tools] | 9 |
| TrojanSpy:Win32/Agent.BX [Microsoft] | 9 |
| Backdoor.Win32.GirlinRed.eg [Kaspersky Lab] | 8 |
| VirTool:Win32/CeeInject.gen!J [Microsoft] | 8 |
| Infostealer.Gampass [Symantec] | 7 |
| not-a-virus:RiskTool.Win32.Crypter.c [Kaspersky Lab] | 5 |
| Troj/Agent-HIP [Sophos] | 5 |
| W32.SillyFDC [Symantec] | 5 |
| W32/Autorun.worm.gen [McAfee] | 5 |
| Backdoor.Trojan [Symantec] | 4 |
| Constructor.Win32.SlhBack.aj [Kaspersky Lab] | 4 |
| Generic Downloader.k [McAfee] | 4 |
| VirTool:Win32/DelfInject.gen!X [Microsoft] | 4 |
| Worm.Win32.AutoRun.acua [Kaspersky Lab] | 4 |
| Worm.Win32.AutoRun.pnc [Kaspersky Lab] | 4 |
| Backdoor.Bifrose [Symantec] | 3 |
| Backdoor.Win32.Poison.pg [Kaspersky Lab] | 3 |
| Backdoor:Win32/Bifrose.gen!B [Microsoft] | 3 |
| TROJ_AGENT.ALKB [Trend Micro] | 3 |
| Trojan:Win32/Sisron [Microsoft] | 3 |
| TrojanDownloader:Win32/Pangu.A [Microsoft] | 3 |
| Virus.Win32.Sality.l [Kaspersky Lab] | 3 |
| Win-Trojan/Agent.16148 [AhnLab] | 3 |
| Backdoor.Win32.Hupigon.cxwe [Kaspersky Lab] | 2 |
| Backdoor.Win32.Hupigon.fhrc [Kaspersky Lab] | 2 |
| Backdoor:Win32/Small.D [Microsoft] | 2 |
| Constructor.Win32.Bifrose.j [Kaspersky Lab] | 2 |
| Infostealer.Bancos [Symantec] | 2 |
| Mal/Behav-058, Mal/Hupig-D, Mal/Behav-149 [Sophos] | 2 |
| PE_VIRUT.D [Trend Micro] | 2 |
| PWS:Win32/Kotwir.A.dll [Microsoft] | 2 |
| PWS:Win32/Kotwir.C [Microsoft] | 2 |
| PWS:Win32/OnLineGames.FU [Microsoft] | 2 |
| PWS-Mmorpg.gen [McAfee] | 2 |
| TROJ_PANDEX.CH [Trend Micro] | 2 |
| Trojan:Win32/Rirlged.gen!B [Microsoft] | 2 |
| Trojan-Downloader.Win32.Delf.qju [Kaspersky Lab] | 2 |
| TrojanDropper:Win32/Mund.A [Microsoft] | 2 |
| Trojan-GameThief.Win32.OnLineGames.snfs [Kaspersky Lab] | 2 |
| Trojan-Spy.Gampass!sd6 [PC Tools] | 2 |
| VirTool:Win32/DelfInject.gen!L [Microsoft] | 2 |
| Virus.Win32.Virut.n [Kaspersky Lab] | 2 |
| Virus:Win32/Sality.G [Microsoft] | 2 |
| Virus:Win32/Virut.AK [Microsoft] | 2 |
| W32.HLLP.Sality.O [Symantec] | 2 |
| W32.Koobface.A [Symantec] | 2 |
| W32.Virut.B [Symantec] | 2 |
| W32/Sality-I [Sophos] | 2 |
| W32/Vetor-A [Sophos] | 2 |
| W32/Virut.gen [McAfee] | 2 |
| Win32.Virut.Gen [PC Tools] | 2 |
| Win-Trojan/Agent.43008.CV [AhnLab] | 2 |
| Win-Trojan/Agent.86016.FC [AhnLab] | 2 |
| Win-Trojan/Xema.variant [AhnLab] | 2 |
| Worm.AutoRun!sd6 [PC Tools] | 2 |
| Worm.Win32.AutoRun.lye [Kaspersky Lab] | 2 |
| Worm:Win32/SillyShareCopy.gen [Microsoft] | 2 |
| WORM_AUTORUN.SA [Trend Micro] | 2 |
| Backdoor.Bifrose!sd6 [PC Tools] | 1 |
| Backdoor.Bifrose.AHY [PC Tools] | 1 |
| Backdoor.Win32.Agent.qay [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.bwt [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.fmv [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.qke [Kaspersky Lab] | 1 |
| Backdoor.Win32.GirlinRed.gh [Kaspersky Lab] | 1 |
| Backdoor.Win32.GirlinRed.gk [Kaspersky Lab] | 1 |
| Backdoor.Win32.GirlinRed.gn [Kaspersky Lab] | 1 |
| Backdoor.Win32.GirlinRed.gw [Kaspersky Lab] | 1 |
| Backdoor.Win32.GirlinRed.ly [Kaspersky Lab] | 1 |
| Backdoor.Win32.Hupigon.dluh [Kaspersky Lab] | 1 |
| Backdoor.Win32.Hupigon.dsiy [Kaspersky Lab] | 1 |
| Backdoor.Win32.IRCBot.gen [Kaspersky Lab] | 1 |
| Backdoor.Win32.Small.cqw [Kaspersky Lab] | 1 |
| Backdoor.Win32.Small.ly [Kaspersky Lab] | 1 |
| Backdoor.Win32.Small.md [Kaspersky Lab] | 1 |
| Backdoor.Win32.VanBot.ax [Kaspersky Lab] | 1 |
| Backdoor.Win32.VB.hov [Kaspersky Lab] | 1 |
| Backdoor.Win32.Wootbot.gep [Kaspersky Lab] | 1 |
| Backdoor:Win32/Poebot.BL [Microsoft] | 1 |
| Backdoor:Win32/Poisonivy.E [Microsoft] | 1 |