| Threat Alias | Number of Incidents |
| Trojan Horse [Symantec] | 6,493 |
| Trojan.Win32.Agent.abt [Kaspersky Lab] | 3,541 |
| Generic!atr [McAfee] | 3,256 |
| BAT.Botget.C [PC Tools] | 3,240 |
| Trojan:Win32/Alureon.gen!J [Microsoft] | 3,159 |
| Trojan.Win32.Agent.akwc [Kaspersky Lab] | 2,701 |
| DNSChanger.gen [McAfee] | 2,670 |
| Mal/AdvPatch-A, Mal/Broute-A [Sophos] | 2,645 |
| Worm.AutoRun.GEN [PC Tools] | 1,406 |
| Trojan.Win32.Alureon.J [Ikarus] | 1,295 |
| Mal/Packer, Mal/EncPk-BW [Sophos] | 1,053 |
| Trojan-PWS.OnlineGames.ADRD [PC Tools] | 1,050 |
| Mal/Generic-A [Sophos] | 945 |
| Generic.dx [McAfee] | 875 |
| Infostealer.Gampass [Symantec] | 769 |
| W32/LCJump-B [Sophos] | 672 |
| Trojan.Alureon.J [PC Tools] | 629 |
| New Malware.n [McAfee] | 546 |
| Trojan.Agent!sd6 [PC Tools] | 438 |
| Packed/Upack [AhnLab] | 363 |
| NTRootKit-J [McAfee] | 348 |
| Trojan.Win32.Agent.asu [Kaspersky Lab] | 342 |
| TROJ_AGYSTEO.A [Trend Micro] | 339 |
| Worm:Win32/Autorun.GY!inf [Microsoft] | 336 |
| Trojan.Agent.ASU [PC Tools] | 315 |
| W32.Rajump [Symantec] | 313 |
| Hacktool.Rootkit [Symantec] | 304 |
| Trojan.Agent.VYJ [PC Tools] | 296 |
| Worm:Win32/RJump.F [Microsoft] | 293 |
| W32/LCJump-A [Sophos] | 292 |
| WORM_RJUMP.AI [Trend Micro] | 292 |
| Generic Malware.eb [McAfee] | 291 |
| Backdoor.IRC.Bot [Symantec] | 222 |
| TROJ_AGENT.ACSF [Trend Micro] | 217 |
| Win-Trojan/Agent.3584.DB [AhnLab] | 210 |
| Generic.dx!ui [McAfee] | 203 |
| Downloader [Symantec] | 200 |
| Trojan.Win32.Agent.cmn [Kaspersky Lab] | 194 |
| Trojan-GameThief.Win32.OnLineGames.ufmu [Kaspersky Lab] | 189 |
| Trojan.Win32.Agent.cuxo [Kaspersky Lab] | 175 |
| Trojan-Spy.Banker [Ikarus] | 162 |
| Trojan.Win32.Agent.acqs [Kaspersky Lab] | 158 |
| Trojan.Win32.Agent.arfd [Kaspersky Lab] | 146 |
| Mal/Emogen-R [Sophos] | 145 |
| Backdoor:Win32/Small.D [Microsoft] | 144 |
| Trojan.Win32.Agent.bctq [Kaspersky Lab] | 144 |
| Mal/Behav-160 [Sophos] | 133 |
| Troj/FakeAV-DC [Sophos] | 130 |
| TROJ_FAKEALE.BJ [Trend Micro] | 130 |
| W32.Spamuzle [Symantec] | 121 |
| Infostealer.Onlinegame [Symantec] | 102 |
| Generic Downloader.x [McAfee] | 99 |
| Backdoor.Trojan [Symantec] | 96 |
| Trojan.Win32.Agent.aqo [Kaspersky Lab] | 96 |
| Worm:Win32/Mariofev.A [Microsoft] | 90 |
| Trojan.Win32.Agent.cwje [Kaspersky Lab] | 88 |
| Trojan.Agent.VZD [PC Tools] | 86 |
| Mal/Emogen-E, Mal/Behav-160 [Sophos] | 85 |
| Suspicious.MH690 [Symantec] | 85 |
| Trojan.Generic [PC Tools] | 85 |
| FakeAlert-AB [McAfee] | 81 |
| W32/MarioF-B, W32/MarioF-B [Sophos] | 81 |
| W32/Mariofev.worm [McAfee] | 81 |
| TROJ_AGENT.ADRW [Trend Micro] | 80 |
| Trojan.Win32.Agent.bykq [Kaspersky Lab] | 77 |
| Trojan.Win32.Inject.nry [Kaspersky Lab] | 77 |
| Trojan-GameThief.Win32.OnLineGames.ubok [Kaspersky Lab] | 76 |
| Troj/Virtum-Gen [Sophos] | 74 |
| Infostealer [Symantec] | 71 |
| Win-Trojan/Xema.variant [AhnLab] | 68 |
| New Malware.aj [McAfee] | 62 |
| Vundo.gen.ab [McAfee] | 59 |
| Packed.Generic.214 [Symantec] | 58 |
| Trojan.Agent!sd5 [PC Tools] | 54 |
| PWS-Cashgrabber!a [McAfee] | 53 |
| Generic PWS.o [McAfee] | 50 |
| Trojan.KillAV [Symantec] | 50 |
| Trojan.Win32.Agent.akxd [Kaspersky Lab] | 50 |
| Trojan.Win32.Agent.bjql [Kaspersky Lab] | 49 |
| Trojan.Win32.Agent.cemd [Kaspersky Lab] | 49 |
| Trojan.Win32.Agent.rap [Kaspersky Lab] | 49 |
| W32/MarioF-Gen, Mal/TinyDL-T [Sophos] | 49 |
| Trojan:Win32/Vundo.gen!BC [Microsoft] | 48 |
| Trojan.Win32.Agent.cws [Kaspersky Lab] | 47 |
| Trojan.Win32.Inject.ljl [Kaspersky Lab] | 47 |
| Mal/Packer, Mal/EncPk-BW, Mal/Dloadr-E [Sophos] | 45 |
| Trojan:Win32/Zlob.GL [Microsoft] | 45 |
| Win-Trojan/Mariofev.94208 [AhnLab] | 45 |
| Backdoor.Win32.Small.har [Kaspersky Lab] | 43 |
| Trojan.Vundo [Symantec] | 43 |
| Generic BackDoor [McAfee] | 42 |
| Generic VB.b [McAfee] | 42 |
| Generic.dx!bq [McAfee] | 42 |
| Program:Win32/FakeAlert.N [Microsoft] | 42 |
| Mal/StartP-A, Mal/Emogen-H, Mal/Emogen-F [Sophos] | 41 |
| Trojan.Win32.Agent.ccpe [Kaspersky Lab] | 41 |
| Trojan:Win32/Agent [Microsoft] | 41 |
| Trojan.Win32.Agent.cppg [Kaspersky Lab] | 40 |
| Trojan.Win32.Agent.airw [Kaspersky Lab] | 39 |
| Trojan:Win32/Startpage.DE [Microsoft] | 39 |