| Threat Alias | Number of Incidents |
| Trojan.Lineage.Gen!Pac.3 [PC Tools] | 2,596 |
| Trojan.Packed.NsAnti [Symantec] | 1,339 |
| Mal/EncPk-CE [Sophos] | 1,112 |
| W32.Gammima.AG [Symantec] | 814 |
| PWS:Win32/Frethog.D [Microsoft] | 770 |
| Infostealer.Gampass [Symantec] | 686 |
| Mal/EncPk-EG [Sophos] | 473 |
| Trojan-PWS.OnlineGames.ARun [PC Tools] | 460 |
| Mal_NSAnti-1 [Trend Micro] | 446 |
| Mal/EncPk-EK [Sophos] | 435 |
| PWS-LegMir.gen.k.dll [McAfee] | 372 |
| PWS:Win32/Frethog.AJ [Microsoft] | 345 |
| Hacktool.Rootkit [Symantec] | 334 |
| Virus.Win32.OnLineGames.EZP [Ikarus] | 332 |
| VirTool:WinNT/Vanti.gen!C [Microsoft] | 327 |
| Trojan.Onlinegames.Gen!Pac.73 [PC Tools] | 319 |
| Packed.Win32.Krap.b [Kaspersky Lab] | 302 |
| Win-Trojan/MalPacked.Gen [AhnLab] | 299 |
| Worm:Win32/Taterf.A.dll [Microsoft] | 288 |
| Mal_Infostl [Trend Micro] | 269 |
| PWS:Win32/Lineage.gen!A [Microsoft] | 245 |
| Trojan.Lineage.Gen!Pac.7 [PC Tools] | 227 |
| VirTool:Win32/Vanti.gen!D [Microsoft] | 220 |
| Worm:Win32/Taterf.B [Microsoft] | 216 |
| Trojan-GameThief.Win32.OnLineGames [Ikarus] | 200 |
| Mal/EncPk-CE, Mal/EncPk-DH [Sophos] | 197 |
| Troj/Agent-HTK [Sophos] | 167 |
| Troj/PWSDle-Gen [Sophos] | 167 |
| Mal/EncPk-CE, Mal/EncPk-EK [Sophos] | 154 |
| Bloodhound.NsAnti [Symantec] | 149 |
| Bloodhound.Packed.Jmp [Symantec] | 148 |
| TrojanDownloader:Win32/Frethog.A [Microsoft] | 147 |
| PWS:Win32/Frethog.gen!B [Microsoft] | 144 |
| Generic.dx [McAfee] | 135 |
| Trojan-GameThief.Win32.Magania [Ikarus] | 132 |
| Worm:Win32/Taterf.B.dll [Microsoft] | 131 |
| Trojan:Win32/AgentBypass.gen!K [Microsoft] | 130 |
| W32.Gammima [Symantec] | 127 |
| Trojan:Win32/Helpud.A [Microsoft] | 123 |
| Trojan-PWS.OnlineGames.ARUN [PC Tools] | 116 |
| Packed.Win32.NSAnti.r [Kaspersky Lab] | 113 |
| Trojan-PWS.Win32.OnLineGames [Ikarus] | 112 |
| Mal/Generic-A [Sophos] | 109 |
| New Malware.hz [McAfee] | 106 |
| PWS-Mmorpg.gen [McAfee] | 101 |
| TrojanDownloader:Win32/Frethog.C [Microsoft] | 99 |
| PWS:Win32/Frethog.gen!L [Microsoft] | 91 |
| Worm:Win32/Taterf.gen!C [Microsoft] | 89 |
| Packed.Win32.NSAnti [Ikarus] | 85 |
| Mal/LineDLL-B [Sophos] | 84 |
| Worm.Win32.Viking [Ikarus] | 80 |
| VirTool:Win32/Vanti.gen!C [Microsoft] | 78 |
| Mal/EncPk-CE, Mal/EncPk-AH [Sophos] | 77 |
| W32.SillyDC [Symantec] | 76 |
| WORM_ONLINEG.SYM [Trend Micro] | 74 |
| Packed.Generic.61 [Symantec] | 71 |
| Rootkit.Win32.Vanti.gv [Ikarus] | 71 |
| Trojan.Win32.Writer [Ikarus] | 71 |
| PWS-OnlineGames.bl [McAfee] | 70 |
| Worm.Win32.AutoRun [Ikarus] | 69 |
| TSPY_ONLINEG.KTP [Trend Micro] | 67 |
| Packed.Win32.Krap [Ikarus] | 61 |
| Downloader [Symantec] | 60 |
| Trojan Horse [Symantec] | 56 |
| Mal/EncPk-DH [Sophos] | 55 |
| Trojan-PSW.Win32.OnLineGames.acgu [Kaspersky Lab] | 54 |
| Packer.Malware.NSAnti.X [Ikarus] | 53 |
| Mal/EncPk-DH, Mal/EncPk-CE [Sophos] | 49 |
| Trojan.Agent.DYVI [PC Tools] | 49 |
| W32/Stucco-A [Sophos] | 49 |
| Trojan-GameThief.Win32.OnLineGames.mxw [Kaspersky Lab] | 48 |
| Trojan:Win32/Inhoo.A [Microsoft] | 47 |
| VirTool:WinNT/Vanti.gen!B [Microsoft] | 47 |
| VAnti [McAfee] | 45 |
| Worm.AutoRun!sd6 [PC Tools] | 45 |
| TSPY_ONLINEG.PGA [Trend Micro] | 42 |
| Win32.SuspectCrc [Ikarus] | 42 |
| Worm.AutoRun!sd5 [PC Tools] | 42 |
| Cryp_Nsanti-2 [Trend Micro] | 40 |
| TrojanDownloader:Win32/Small.gen!AA [Microsoft] | 39 |
| Mal/EncPk-EG, Mal/EncPk-EK [Sophos] | 38 |
| Trojan-PWS.OnlineGames.generic.A!ct [PC Tools] | 38 |
| Worm:Win32/Taterf.gen!A [Microsoft] | 38 |
| Trojan-GameThief.Win32.OnLineGames.zex [Kaspersky Lab] | 36 |
| PWS-OnlineGames.a [McAfee] | 35 |
| Trojan-GameThief.Win32.OnLineGames.zll [Kaspersky Lab] | 33 |
| WORM_AUTORUN.UL [Trend Micro] | 33 |
| WORM_ONLINEG.HNJ [Trend Micro] | 33 |
| Worm.Win32.Viking.ex [Ikarus] | 32 |
| Win32/AntiPack.Gen [AhnLab] | 31 |
| WORM_NSANTI.CE [Trend Micro] | 31 |
| Mal/Frethog-B, Mal/EncPk-EG [Sophos] | 29 |
| TrojanDownloader:Win32/Injector.gen!W [Microsoft] | 29 |
| VirTool:Win32/Vanti.dll [Microsoft] | 29 |
| Virus.Win32.Sality [Ikarus] | 29 |
| HeurEngine.Packed-NsAnti [PC Tools] | 28 |
| Mal/EncPk-CE, Mal/EncPk-DH, Mal/Behav-204 [Sophos] | 28 |
| Mal/EncPk-CE, Mal/EncPk-DU [Sophos] | 28 |
| Rootkit.Win32.Vanti.eu [Kaspersky Lab] | 28 |
| TSPY_ONLINEG.IAT [Trend Micro] | 28 |