| Threat Alias | Number of Incidents |
| Trojan-Spy.Win32.Zbot.gen [Kaspersky Lab] | 285 |
| Mal/Zbot-O [Sophos] | 283 |
| Packed.Generic.232 [Symantec] | 247 |
| HeurEngine.MaliciousPacker [PC Tools] | 102 |
| Trojan-Spy.Win32.Zbot [Ikarus] | 69 |
| Infostealer.Banker.C [Symantec] | 46 |
| BackDoor-DKI.gen.bf [McAfee] | 40 |
| Win32/IRCBot.worm.variant [AhnLab] | 24 |
| Mal/EncPk-HZ [Sophos] | 12 |
| Mal/Generic-A [Sophos] | 11 |
| FakeAlert-DA [McAfee] | 6 |
| Mal/EncPk-IF [Sophos] | 6 |
| Packed.Generic.233 [Symantec] | 6 |
| PWS.Win32 [Ikarus] | 6 |
| Trojan Horse [Symantec] | 6 |
| Trojan.Win32.FakeXPA [Ikarus] | 4 |
| Trojan-PSW.Banker [PC Tools] | 4 |
| Trojan-Spy.Win32.Zbot.tpj [Kaspersky Lab] | 4 |
| W32/Koobface.worm.gen.o [McAfee] | 4 |
| Generic PWS.y!g [McAfee] | 3 |
| Win-Trojan/Zbot.62976.X [AhnLab] | 3 |
| Win-Trojan/Zbot.65536.D [AhnLab] | 3 |
| Backdoor.Win32.GrayBird.el [Ikarus] | 2 |
| Backdoor.Win32.Hupigon.bwk [Kaspersky Lab] | 2 |
| Generic FakeAlert.d!gen [McAfee] | 2 |
| Generic Packed.a [McAfee] | 2 |
| Mal/Behav-204 [Sophos] | 2 |
| Mal/EncPk-IB [Sophos] | 2 |
| Mal/EncPk-IF, Mal/EncPk-HH [Sophos] | 2 |
| Mal/EncPk-IV, Mal/EncPk-IF, Mal/EncPk-HH [Sophos] | 2 |
| Mal/EncPk-JW [Sophos] | 2 |
| Mal/EncPk-LT, Mal/FakeAV-BX, Mal/FakeDouf-B, Mal/EncPk-MC, Mal/EncPk-MA [Sophos] | 2 |
| Mal/FakeAV-BR [Sophos] | 2 |
| Mal/Generic-A, Mal/Zbot-O [Sophos] | 2 |
| Mal/Krap-B, Mal/BredoPk-B [Sophos] | 2 |
| Mal/WaledPak-D [Sophos] | 2 |
| New Malware.cn [McAfee] | 2 |
| not-a-virus:FraudTool.Win32.SpywareProtect2009 [Ikarus] | 2 |
| Packed.Generic.269 [Symantec] | 2 |
| Packed.Win32.Krap.ah [Kaspersky Lab] | 2 |
| Packed.Win32.Krap.w [Kaspersky Lab] | 2 |
| PWS-Zbot [McAfee] | 2 |
| Trojan.Generic [PC Tools] | 2 |
| Trojan.Win32.Agent.cbxa [Kaspersky Lab] | 2 |
| Trojan.Win32.Agent.cdkn [Kaspersky Lab] | 2 |
| Trojan.Win32.Winwebsec [Ikarus] | 2 |
| Trojan-Banker.Win32.Bancos [Ikarus] | 2 |
| Trojan-Spy.Banker!sd6 [PC Tools] | 2 |
| Trojan-Spy.Win32.Zbot.aabx [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.abxy [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.sov [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.spu [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.ssl [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.tmm [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.uje [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.vne [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.wuw [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.wxb [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.wyi [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.yhz [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.zuo [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.zvt [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.zzg [Kaspersky Lab] | 2 |
| Trojan-Spy.Zbot [Ikarus] | 2 |
| Trojan-Spy.Zbot!sd6 [PC Tools] | 2 |
| Win-Trojan/Zbot.62976.S [AhnLab] | 2 |
| Win-Trojan/Zbot.62976.U [AhnLab] | 2 |
| Win-Trojan/Zbot.64000.C [AhnLab] | 2 |
| Win-Trojan/Zbot.66048.I [AhnLab] | 2 |
| Win-Trojan/Zbot.67072.E [AhnLab] | 2 |
| Win-Trojan/Zbot.83456.D [AhnLab] | 2 |
| Generic PWS.y!bfo [McAfee] | 1 |
| Generic PWS.y!h [McAfee] | 1 |
| Generic PWS.y!if [McAfee] | 1 |
| Generic PWS.y!mf [McAfee] | 1 |
| Generic PWS.y!q [McAfee] | 1 |
| Mal/Behav-321 [Sophos] | 1 |
| Packed.Win32.Krap [Ikarus] | 1 |
| Trojan.Agent!sd6 [PC Tools] | 1 |
| Trojan.Crypt [Ikarus] | 1 |
| Trojan.Win32.Agent [Ikarus] | 1 |
| Trojan-Spy.Win32.Zbot.zcd [Kaspersky Lab] | 1 |
| Win-Trojan/ZBot.62464.C [AhnLab] | 1 |
| Win-Trojan/Zbot.63488.AN [AhnLab] | 1 |
| Win-Trojan/ZBot.63488.B [AhnLab] | 1 |
| Win-Trojan/Zbot.63488.Q [AhnLab] | 1 |
| Win-Trojan/Zbot.63488.Y [AhnLab] | 1 |
| Win-Trojan/Zbot.63488.Z [AhnLab] | 1 |
| Win-Trojan/ZBot.64000.I [AhnLab] | 1 |
| Win-Trojan/ZBot.64000.O [AhnLab] | 1 |
| Win-Trojan/Zbot.64000.X [AhnLab] | 1 |
| Win-Trojan/Zbot.65024.Q [AhnLab] | 1 |