| Threat Alias | Number of Incidents |
| W32/HLLP.Philis.dll [McAfee] | 4,751 |
| Worm.Win32.Viking.ix [Kaspersky Lab] | 4,740 |
| Trojan.Viking.Gen!Pac.4 [PC Tools] | 4,730 |
| Downloader [Symantec] | 2,877 |
| TROJ_LOOKED.LU [Trend Micro] | 2,813 |
| Mal_Xed-4 [Trend Micro] | 2,004 |
| PWS-Gamania.gen.a [McAfee] | 1,339 |
| Bloodhound.NsAnti [Symantec] | 1,116 |
| W32/Looked-DX [Sophos] | 899 |
| Virus:Win32/Viking.gen.dll!A [Microsoft] | 841 |
| Generic PWS.ak [McAfee] | 629 |
| Packed.Win32.Krap.b [Kaspersky Lab] | 470 |
| Trojan.Lineage.Gen!Pac.3 [PC Tools] | 408 |
| PWS:Win32/Frethog.D [Microsoft] | 393 |
| PWS:Win32/Frethog.gen!B [Microsoft] | 388 |
| TrojanDownloader:Win32/Frethog.C [Microsoft] | 332 |
| Worm.Win32.Viking.ex [Ikarus] | 322 |
| Mal/EncPk-EG [Sophos] | 311 |
| Worm:Win32/Taterf.B [Microsoft] | 273 |
| Virus.Win32.OnLineGames.EZP [Ikarus] | 245 |
| Mal/EncPk-CE [Sophos] | 243 |
| Win-Trojan/MalPacked.Gen [AhnLab] | 233 |
| Troj/Virtum-Gen [Sophos] | 227 |
| Mal/Generic-A [Sophos] | 211 |
| Troj/Agent-HTK [Sophos] | 208 |
| Packed.Win32.Krap [Ikarus] | 201 |
| Trojan-GameThief.Win32.Nilage [Ikarus] | 186 |
| PWS-Gamania.gen.c [McAfee] | 171 |
| Troj/PWSDle-Gen [Sophos] | 171 |
| Trojan.Win32.Inhoo [Ikarus] | 164 |
| Worm.Win32.Viking [Ikarus] | 160 |
| Trojan-GameThief.Win32.Magania [Ikarus] | 158 |
| PWS:Win32/Frethog.AJ [Microsoft] | 136 |
| Packed.Win32.Krap.g [Kaspersky Lab] | 130 |
| Trojan-Downloader.Win32.Small.dqq [Kaspersky Lab] | 123 |
| W32/Bacalid!vcab [McAfee] | 123 |
| VAnti [McAfee] | 113 |
| Mal_Infostl [Trend Micro] | 111 |
| Mal/EncPk-EK [Sophos] | 105 |
| TrojanDownloader:Win32/Small.gen!AA [Microsoft] | 93 |
| VirTool:WinNT/Vanti.gen!C [Microsoft] | 91 |
| Mal/EncPk-IE, Mal/EncPk-IG [Sophos] | 87 |
| VirTool:Win32/Vanti.gen!C [Microsoft] | 87 |
| PWS.Win32 [Ikarus] | 86 |
| Mal/EncPk-IG, Mal/EncPk-HI [Sophos] | 84 |
| PWS-Banker.dll [McAfee] | 84 |
| HeurEngine.Packed-NsAnti [PC Tools] | 78 |
| Mal/EncPk-CE, Mal/EncPk-EK [Sophos] | 76 |
| Trojan-GameThief.Win32.OnLineGames [Ikarus] | 74 |
| Mal/Packer [Sophos] | 73 |
| PWS:Win32/Lineage.gen!A [Microsoft] | 72 |
| Mal_NSAnti-1 [Trend Micro] | 69 |
| TrojanDownloader:Win32/Injector.gen!W [Microsoft] | 68 |
| Mal/Frethog-B [Sophos] | 66 |
| Worm.Win32.Taterf [Ikarus] | 65 |
| Mal/EncPk-CE, Mal/EncPk-DH [Sophos] | 61 |
| Backdoor:Win32/Bacalid.A [Microsoft] | 60 |
| Trojan:Win32/AgentBypass.gen!K [Microsoft] | 60 |
| Trojan:Win32/Inhoo.A [Microsoft] | 59 |
| Trojan:Win32/Helpud.A [Microsoft] | 57 |
| PWS-Mmorpg.gen [McAfee] | 56 |
| PWS-Gamania.gen.g [McAfee] | 54 |
| New Malware.jt [McAfee] | 51 |
| PE_VBAC.A-O [Trend Micro] | 51 |
| TrojanDownloader:Win32/Frethog.A [Microsoft] | 51 |
| Mal/EncPk-HI [Sophos] | 50 |
| Trojan.Lineage.Gen!Pac.7 [PC Tools] | 49 |
| Mal/LineDLL-B [Sophos] | 48 |
| Worm:Win32/Taterf.gen!A [Microsoft] | 45 |
| PWS:Win32/Frethog.gen!L [Microsoft] | 43 |
| Worm:Win32/Taterf.A.dll [Microsoft] | 43 |
| PWS-LegMir.gen.k.dll [McAfee] | 39 |
| TrojanDownloader:Win32/IEInject.gen!A [Microsoft] | 38 |
| Mal/EncPk-IG, Troj/Virtum-Gen [Sophos] | 37 |
| Packed.Win32.NSAnti.r [Kaspersky Lab] | 36 |
| Trojan.Win32.Writer [Ikarus] | 35 |
| Win-Trojan/Xema.variant [AhnLab] | 34 |
| Generic.dx [McAfee] | 30 |
| Trojan.Win32.Inject.rec [Kaspersky Lab] | 30 |
| Mal/UnkPack-Fam [Sophos] | 29 |
| Win-Trojan/LineageHack.31576 [AhnLab] | 29 |
| Worm.AutoRun!sd6 [PC Tools] | 29 |
| Generic PWS.y [McAfee] | 28 |
| W32.Gammima.AG [Symantec] | 27 |
| Win32/AntiPack.Gen [AhnLab] | 27 |
| Trojan-Downloader.Win32.Frethog [Ikarus] | 26 |
| Trojan-GameThief.Win32.Magania.anfh [Kaspersky Lab] | 25 |
| Mal/EncPk-EG, Mal/EncPk-EK [Sophos] | 23 |
| Mal/EncPk-IG [Sophos] | 22 |
| Packer.Malware.NSAnti.1 [Ikarus] | 22 |
| Trojan-GameThief.Win32.OnLineGames.sico [Kaspersky Lab] | 22 |
| Win-Trojan/Downloader.34304.U [AhnLab] | 22 |
| Mal/RarMal-B [Sophos] | 21 |
| Trojan-Downloader.Small!sd6 [PC Tools] | 21 |
| TrojanDownloader:Win32/Small.gen!N [Microsoft] | 21 |
| Worm:Win32/Taterf.gen!C [Microsoft] | 21 |
| TROJ_GAMETHIE.RK [Trend Micro] | 20 |
| Trojan-GameThief.Win32.Magania.akow [Kaspersky Lab] | 20 |
| Trojan-GameThief.Win32.OnLineGames.sfwg [Kaspersky Lab] | 20 |
| Trojan-GameThief.Win32.WOW.dzf [Kaspersky Lab] | 20 |