| Threat Alias | Number of Incidents |
| Email-Worm.Zhelatin [PC Tools] | 25,875 |
| Packed.Win32.Tibs.ap [Kaspersky Lab] | 25,586 |
| Generic.dx [McAfee] | 25,074 |
| TROJ_AGENT.ZLH [Trend Micro] | 21,484 |
| W32/Almanahe.dll [McAfee] | 11,585 |
| PE_CORELINK.C-O [Trend Micro] | 11,543 |
| W32.Almanahe.B!inf [Symantec] | 8,124 |
| W32/Alman-E [Sophos] | 8,025 |
| Trojan.Almanahe [PC Tools] | 7,887 |
| Trojan:Win32/Almanahe.B.dll [Microsoft] | 7,827 |
| Virus.Win32.Agent.bu [Kaspersky Lab] | 7,497 |
| Trojan-Dropper.Agent [Ikarus] | 6,348 |
| Win-Trojan/Agent.53248.GU [AhnLab] | 5,016 |
| TROJ_PEACOMM.BQ [Trend Micro] | 3,537 |
| Trojan-Downloader.Win32.Agent.erl [Kaspersky Lab] | 1,857 |
| Win32.Alman.C [PC Tools] | 1,800 |
| W32/Virut.gen [McAfee] | 1,360 |
| Email-Worm.Win32.Zhelatin.qe [Kaspersky Lab] | 1,174 |
| Trojan.Peacomm.D [Symantec] | 1,094 |
| Worm.Rungbu.B [PC Tools] | 1,075 |
| not-a-virus:FraudTool.Win32.UltimateDefender.v [Kaspersky Lab] | 1,052 |
| Virus.Win32.VB.cc [Kaspersky Lab] | 1,042 |
| Trojan-Downloader.Agent!sd5 [PC Tools] | 1,034 |
| PE_VIRUT.GEN-2 [Trend Micro] | 1,030 |
| PE_RUNGBU.C-O [Trend Micro] | 976 |
| Win32.Virut.Gen.4 [PC Tools] | 904 |
| not-virus:Hoax.Win32.Renos.wx [Kaspersky Lab] | 900 |
| Trojan-Downloader.Win32.Agent.bsi [Kaspersky Lab] | 876 |
| W32/Nuwar.sys [McAfee] | 868 |
| W32/Virut.gen.a [McAfee] | 835 |
| Virus.Win32.Virut.q [Kaspersky Lab] | 714 |
| TrojanDownloader:Win32/Vxidl [Microsoft] | 667 |
| Troj/Tibs-TJ [Sophos] | 665 |
| TROJ_ANOMALY.ACD [Trend Micro] | 656 |
| Win32.Virut.Gen [PC Tools] | 565 |
| W32.Almanahe.B [Symantec] | 470 |
| Trojan-Downloader.Win32.Agent.gwh [Kaspersky Lab] | 468 |
| PE_VIRUT.AV [Trend Micro] | 458 |
| Virus.Win32.Virut.n [Kaspersky Lab] | 456 |
| Virus.Win32.Virut.av [Kaspersky Lab] | 451 |
| Email-Worm.Zhelatin!sd5 [PC Tools] | 444 |
| JS_SMALLTROJ.XSG [Trend Micro] | 432 |
| Virus.Win32.AutoHK.a [Kaspersky Lab] | 432 |
| W32/AHKHeap [McAfee] | 432 |
| Troj/Agent-FUR [Sophos] | 429 |
| AHKS.Muha.C [PC Tools] | 423 |
| Generic!atr [McAfee] | 416 |
| Packed.Win32.Tibs [Ikarus] | 405 |
| Trojan:Win32/Almanahe.E.dll [Microsoft] | 397 |
| Worm.Win32.Mabezat.b [Kaspersky Lab] | 365 |
| W32/Wazner-A [Sophos] | 364 |
| W32.Mabezat.B [Symantec] | 360 |
| WORM_NUWAR.NA [Trend Micro] | 340 |
| Trojan.Farfli [Symantec] | 328 |
| PE_TRATS.A [Trend Micro] | 277 |
| Worm.Win32.Mabezat [Ikarus] | 267 |
| Win-Trojan/Tibs.7712 [AhnLab] | 262 |
| Win32.Virut.I.Gen [PC Tools] | 217 |
| TROJ_PEACOMM.BJ [Trend Micro] | 204 |
| Win32.Virut.G [PC Tools] | 200 |
| Win-Trojan/Alman.46592 [AhnLab] | 200 |
| TROJ_AGENT.ABRC [Trend Micro] | 198 |
| Trojan-Downloader.Win32.VB.bvx [Kaspersky Lab] | 196 |
| Worm:Win32/Mabezat.B [Microsoft] | 189 |
| Trojan-Dropper.Win32.Agent.dgo [Kaspersky Lab] | 171 |
| W32/Dzan.c [McAfee] | 171 |
| Win32.Drowor.Gen [PC Tools] | 169 |
| Virus.Win32.Dzan.c [Kaspersky Lab] | 165 |
| PE_DZAN.C-O [Trend Micro] | 162 |
| Generic BackDoor.d [McAfee] | 153 |
| PE_KESPO.C-O [Trend Micro] | 152 |
| Win32.Virut.J.Gen [PC Tools] | 147 |
| Rootkit.Tibs.JE [PC Tools] | 140 |
| Win32.Trats.Gen [PC Tools] | 137 |
| Rootkit.Tibs.JO [PC Tools] | 136 |
| Rootkit.Win32.Agent.sn [Kaspersky Lab] | 136 |
| New Malware.n [McAfee] | 133 |
| TROJ_PEACOMM.GS [Trend Micro] | 130 |
| Trojan.DL.Agent.VRX [PC Tools] | 127 |
| Win32.AutoRun.H [PC Tools] | 120 |
| Tibs-Packed [McAfee] | 109 |
| Win32.Virut.Gen.5 [PC Tools] | 108 |
| W32/Nuwar@MM [McAfee] | 106 |
| not-a-virus:FraudTool.Win32.SpySheriff.q [Kaspersky Lab] | 105 |
| Email-Worm.Win32.Zhelatin.qb [Kaspersky Lab] | 104 |
| Rootkit.Agent.XFD [PC Tools] | 104 |
| Virus.Win32.Virut.d [Kaspersky Lab] | 102 |
| Virus.Win32.Virut.p [Kaspersky Lab] | 100 |
| Packed/FSG [PC Tools] | 97 |
| Email-Worm.Win32.Zhelatin.qa [Kaspersky Lab] | 94 |
| WORM_ZHELATIN.EG [Trend Micro] | 92 |
| PE_VIRUT.GEN [Trend Micro] | 90 |
| Backdoor.Nakuru.A [PC Tools] | 89 |
| Packed/NSPack [PC Tools] | 86 |
| PE_VIRUT.YC [Trend Micro] | 85 |
| PE_RUNGBU.C [Trend Micro] | 83 |
| Backdoor:Win32/Farfli.A!URL [Microsoft] | 82 |
| Trojan.Farfli.A [Ikarus] | 82 |
| BackDoor-DKA [McAfee] | 81 |
| Virus.Win32.Virut.ao [Kaspersky Lab] | 81 |