| Threat Alias | Number of Incidents |
| Mal/Packer [Sophos] | 1,288 |
| Packed.Generic.181 [Symantec] | 1,158 |
| Trojan.Generic [Ikarus] | 613 |
| MalwareScope.Worm.Viking.4 [Ikarus] | 185 |
| Mal/Behav-053 [Sophos] | 134 |
| Packed/NSPack [PC Tools] | 125 |
| Hacktool.Rootkit [Symantec] | 106 |
| Mal/EncPk-GX, Mal/Packer [Sophos] | 93 |
| Mal/Emogen-N, Mal/Heuri-E [Sophos] | 86 |
| Trojan-GameThief.Win32.OnLineGames.vcqj [Kaspersky Lab] | 86 |
| Backdoor.Win32.Hupigon [Ikarus] | 84 |
| Packed.Generic.93 [Symantec] | 75 |
| Downloader [Symantec] | 67 |
| Mal/Behav-009, Mal/Emogen-Y, Mal/Behav-053 [Sophos] | 65 |
| Win-Trojan/Xema.variant [AhnLab] | 56 |
| Suspicious.MH690 [Symantec] | 49 |
| Trojan.Win32.Agent.chwl [Kaspersky Lab] | 49 |
| Trojan Horse [Symantec] | 41 |
| Backdoor.Graybird [Symantec] | 40 |
| Dropper/Multi.184832 [AhnLab] | 35 |
| Cryp_Xed-3 [Trend Micro] | 23 |
| Generic.dx [McAfee] | 22 |
| Infostealer.Gampass [Symantec] | 22 |
| Backdoor.Trojan [Symantec] | 20 |
| Backdoor.Win32.GrayBird.EJ [Ikarus] | 19 |
| Trojan-Dropper.Delf [Ikarus] | 19 |
| Hacktool [Symantec] | 18 |
| Mal/Heuri-E, Mal/Emogen-N [Sophos] | 18 |
| TROJ_AGENT.YOW [Trend Micro] | 18 |
| TROJ_DELF.JKF [Trend Micro] | 17 |
| Trojan-Downloader.Win32.Delf.epw [Kaspersky Lab] | 17 |
| Mal/Packer, Mal/Delf-M, Mal/Behav-053 [Sophos] | 16 |
| Trojan-Downloader.Win32.Agent.ajw [Kaspersky Lab] | 16 |
| Trojan-GameThief.Win32.OnLineGames.tquc [Kaspersky Lab] | 16 |
| Trojan-Dropper.Agent [Ikarus] | 15 |
| TROJ_HORST.AY [Trend Micro] | 14 |
| Backdoor.Graybird [PC Tools] | 13 |
| Backdoor.Win32.HacDef.073.B [Ikarus] | 13 |
| Mal/TibsPk-A, Mal/Packer [Sophos] | 13 |
| Trojan.KillAV [Symantec] | 13 |
| Mal/Packer, Mal/Behav-024 [Sophos] | 12 |
| Mal_Banker [Trend Micro] | 12 |
| Suspicious.Graybird.1 [Symantec] | 12 |
| Trojan-Downloader.Win32.Agent.bhmm [Kaspersky Lab] | 12 |
| Win-Trojan/Agent.108032.KF [AhnLab] | 12 |
| Backdoor.Win32.Hupigon.gnzd [Kaspersky Lab] | 10 |
| TROJ_DELF.HCA [Trend Micro] | 10 |
| Exploit.Win32.MS08-067.cg [Kaspersky Lab] | 9 |
| Exploit:Win32/MS08067.gen!A [Microsoft] | 9 |
| Mal/Behav-024, Mal/Packer [Sophos] | 9 |
| Mal/EncPk-AP, Mal/Packer, Mal/Behav-009, Mal/Emogen-Y, Mal/Behav-053 [Sophos] | 9 |
| Mal/Packer, Mal/Emogen-H, Mal/Emogen-F [Sophos] | 9 |
| Trojan.Win32.LaSta [Ikarus] | 9 |
| Trojan-GameThief.Win32.OnLineGames.vabk [Kaspersky Lab] | 9 |
| Mal/Packer, Mal/Behav-204 [Sophos] | 8 |
| Trojan.Dropper [Symantec] | 8 |
| Trojan.Win32.Agent.alax [Kaspersky Lab] | 8 |
| Trojan:Win32/Meredrop [Microsoft] | 8 |
| Mal/Generic-A [Sophos] | 7 |
| Trojan-GameThief.Win32.OnLineGames.bkzf [Kaspersky Lab] | 7 |
| W32.Spybot.Worm [Symantec] | 7 |
| Bloodhound.Overpacked [Symantec] | 6 |
| TROJ_BANKER.MNJ [Trend Micro] | 6 |
| W32.Arpiframe [Symantec] | 6 |
| W32.Mikbaland [Symantec] | 6 |
| Win-Trojan/Agent.75764 [AhnLab] | 6 |
| Win-Trojan/Hacktool.42360 [AhnLab] | 6 |
| Backdoor.Formador [Symantec] | 5 |
| Backdoor.Win32.Ceckno [Ikarus] | 5 |
| TROJ_PEPATCH.AW [Trend Micro] | 5 |
| Backdoor.Bifrose [Symantec] | 4 |
| Backdoor.Win32.Hupigon.dexj [Kaspersky Lab] | 4 |
| Backdoor.Win32.Hupigon.jxw [Kaspersky Lab] | 4 |
| Backdoor.Win32.Hupigon.rf [Kaspersky Lab] | 4 |
| Backdoor:Win32/Hupigon.gen [Microsoft] | 4 |
| Backdoor:Win32/Hupigon.gen!E [Microsoft] | 4 |
| Exploit.MS08-67 [PC Tools] | 4 |
| Exploit.Win32.MS08-067 [Ikarus] | 4 |
| Mal/Behav-004, Mal/Packer [Sophos] | 4 |
| Mal/EncPk-F, Mal/Behav-053 [Sophos] | 4 |
| Mal/Packer, Mal/Banspy-F [Sophos] | 4 |
| Mal/Packer, Mal/Behav-058, Mal/EncPk-E [Sophos] | 4 |
| not-a-virus:NetTool.Win32.Agent.b [Kaspersky Lab] | 4 |
| PWS-Banker.dldr [McAfee] | 4 |
| TROJ_DLOADER.HAF [Trend Micro] | 4 |
| TROJ_PAKES.AWH [Trend Micro] | 4 |
| Trojan.Peacomm [Symantec] | 4 |
| Trojan.Popwin [Symantec] | 4 |
| Trojan.QQMess [Symantec] | 4 |
| Trojan.Win32.Agent.ahzz [Kaspersky Lab] | 4 |
| Trojan.Win32.AntiAV [Ikarus] | 4 |
| Trojan.Win32.Pakes.cux [Kaspersky Lab] | 4 |
| Trojan.Win32.VB.ncb [Kaspersky Lab] | 4 |
| Trojan-Banker.Win32.Banker.abqo [Kaspersky Lab] | 4 |
| Trojan-Downloader.Win32.Delf.jwf [Kaspersky Lab] | 4 |
| Trojan-GameThief.Win32.Lmir [Ikarus] | 4 |
| Trojan-GameThief.Win32.OnLineGames.smxe [Kaspersky Lab] | 4 |
| Trojan-GameThief.Win32.OnLineGames.thdj [Kaspersky Lab] | 4 |
| Trojan-GameThief.Win32.OnLineGames.tlbg [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.Delf.dta [Kaspersky Lab] | 4 |