| Threat Alias | Number of Incidents |
| Mal/Generic-A [Sophos] | 4,321 |
| Trojan-GameThief.Win32.MultiFirst [Ikarus] | 4,103 |
| Generic PWS.y [McAfee] | 3,018 |
| Trojan-PWS.OnlineGames [PC Tools] | 2,453 |
| PWS:Win32/Lolyda.T [Microsoft] | 2,371 |
| Trojan-GameThief.Win32.MultiFirst.ad [Kaspersky Lab] | 2,025 |
| Trojan-PSW.Generic [PC Tools] | 1,670 |
| Trojan-Downloader.Homles!sd6 [PC Tools] | 1,521 |
| Packed.Win32.Krap.ah [Kaspersky Lab] | 1,462 |
| Generic.PWS.Games [Ikarus] | 1,432 |
| Trojan-GameThief.Win32.MultiFirst.ah [Kaspersky Lab] | 1,368 |
| Trojan-GameThief.Win32.Magania.gen [Kaspersky Lab] | 1,362 |
| New Malware.aj [McAfee] | 1,157 |
| Mal/EncPk-MA, Mal/FakeDouf-B [Sophos] | 1,016 |
| TROJ_DLOADER.ZCF [Trend Micro] | 1,014 |
| Generic.dx [McAfee] | 998 |
| Packed.Win32.Krap [Ikarus] | 810 |
| Trojan:Win32/Opachki.A [Microsoft] | 666 |
| PWS-Mmorpg.gen [McAfee] | 643 |
| Trojan.CryptRedol [Ikarus] | 627 |
| PWS-OnlineGames.a [McAfee] | 592 |
| Trojan-Spy.KeySpy!sd6 [PC Tools] | 576 |
| Generic.dx!hca [McAfee] | 575 |
| TSPY_KEYSPY.S [Trend Micro] | 504 |
| PWS:Win32/OnLineGames.GC [Microsoft] | 487 |
| Trojan-GameThief.Win32.MultiFirst.ae [Kaspersky Lab] | 420 |
| Mal/EncPk-LT, Mal/FakeAV-BX, Mal/FakeDouf-B, Mal/EncPk-MA [Sophos] | 414 |
| PWS:Win32/Lolyda.M [Microsoft] | 412 |
| Trojan-PWS.Magania [PC Tools] | 398 |
| Trojan:Win32/Perkesh.A [Microsoft] | 307 |
| Trojan.Win32.Hooker [Ikarus] | 290 |
| Trojan.Win32.Hooker.ae [Kaspersky Lab] | 289 |
| Trojan-GameThief.Win32.MultiFirst.ac [Kaspersky Lab] | 289 |
| Trojan.Hooker!sd6 [PC Tools] | 272 |
| BackDoor-CEP.svr [McAfee] | 268 |
| Troj/Dloadr-CTC [Sophos] | 250 |
| Trojan-Spy.Win32.KeySpy.u [Kaspersky Lab] | 240 |
| PWS.Win32.Lolyda [Ikarus] | 232 |
| Backdoor:Win32/Bifrose.AE [Microsoft] | 227 |
| PWS-OnlineGames.cz [McAfee] | 225 |
| Trojan-GameThief.Win32.MultiFirst.al [Kaspersky Lab] | 225 |
| Win-Trojan/OnlineGameHack.3584.J [AhnLab] | 222 |
| PWS-OnlineGames.cf [McAfee] | 217 |
| PWS-LDPinch [McAfee] | 198 |
| Trojan-GameThief.Win32.MultiFirst.w [Kaspersky Lab] | 196 |
| Trojan-Downloader.Win32.Homles.br [Kaspersky Lab] | 195 |
| Trojan-Downloader.Zlob.GEN [PC Tools] | 192 |
| Backdoor:Win32/Bifrose [Microsoft] | 183 |
| TrojanSpy:Win32/Treemz.gen!A [Microsoft] | 174 |
| Mal_Infostl [Trend Micro] | 163 |
| Backdoor:Win32/Bifrose.ACI [Microsoft] | 162 |
| Backdoor.Win32.Bifrose.bwt [Kaspersky Lab] | 160 |
| PWS:Win32/Stealer.M [Microsoft] | 159 |
| PWS-QQGame [McAfee] | 151 |
| Boaxxe.dll [McAfee] | 149 |
| Trojan.OnlineGames.Gen.49 [PC Tools] | 148 |
| BackDoor-CEP.gen.av [McAfee] | 147 |
| PWS:Win32/Fignotok.A [Microsoft] | 147 |
| Backdoor.Bifrose.BJC [PC Tools] | 146 |
| Backdoor.Win32.Bifrose.fsi [Kaspersky Lab] | 146 |
| Win-Trojan/Bifrose.1843200 [AhnLab] | 145 |
| Trojan-GameThief.Win32.MultiFirst.af [Kaspersky Lab] | 144 |
| Packed.Win32.NSAnti.r [Kaspersky Lab] | 139 |
| Win-Trojan/Xema.variant [AhnLab] | 134 |
| Trojan-PSW.QQPass!sd5 [PC Tools] | 133 |
| Troj/PSW-GM [Sophos] | 129 |
| Trojan-PWS.Win32.Agent [Ikarus] | 129 |
| Generic Downloader.x [McAfee] | 128 |
| Mal/Banspy-F [Sophos] | 128 |
| Generic Dropper.av [McAfee] | 126 |
| Trojan.Win32.Autoit.ci [Kaspersky Lab] | 125 |
| Trojan-Downloader.Win32.Small.almj [Kaspersky Lab] | 124 |
| TSPY_ONLINEG.IAT [Trend Micro] | 122 |
| Backdoor.Win32.Bifrose [Ikarus] | 121 |
| Trojan-Dropper.Agent [Ikarus] | 117 |
| TROJ_PROGEN121.A [Trend Micro] | 113 |
| Trojan.OnlineGames.Gen.65 [PC Tools] | 113 |
| Trojan-GameThief.Win32.OnLineGames [Ikarus] | 111 |
| Trojan-GameThief.Win32.MultiFirst.y [Kaspersky Lab] | 110 |
| Downloader-BTI [McAfee] | 106 |
| Win-Trojan/Downloader.20992.HH [AhnLab] | 106 |
| Trojan.Win32.Agent2.hfu [Kaspersky Lab] | 104 |
| Virus.Win32.Bifrose [Ikarus] | 103 |
| Trojan.Progent [PC Tools] | 102 |
| Win-Trojan/Dybalom.32768.B [AhnLab] | 101 |
| Trojan.Win32.Agent.bcn [Kaspersky Lab] | 100 |
| PWS:Win32/Strpasseal.B [Microsoft] | 97 |
| Trojan.Win32.Autoit [Ikarus] | 96 |
| Trojan-PWS.Win32.LdPinch [Ikarus] | 94 |
| BackDoor-CEP.gen.a [McAfee] | 93 |
| W32/Sality-AM [Sophos] | 92 |
| Trojan-Downloader.Delf [PC Tools] | 91 |
| Virus:Win32/Sality.AM [Microsoft] | 91 |
| not-a-virus:PSWTool.Win32.MailPassView.ck [Kaspersky Lab] | 90 |
| Trojan-Downloader.Win32.Small [Ikarus] | 90 |
| Backdoor:Win32/Poisonivy.E [Microsoft] | 87 |
| Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A, Mal/Bifrose-E [Sophos] | 87 |
| Backdoor:Win32/Bifrose.EY [Microsoft] | 85 |
| PWS-Progent [McAfee] | 85 |
| Trojan-Dropper.Delf [Ikarus] | 84 |