| Threat Alias | Number of Incidents |
| Trojan-Spy.Win32.Zbot.gen [Kaspersky Lab] | 112 |
| Infostealer.Banker.C [Symantec] | 70 |
| Trojan-Spy.Win32.Zbot [Ikarus] | 53 |
| Mal/EncPk-CZ [Sophos] | 48 |
| Infostealer [Symantec] | 36 |
| Mal/WaledPak-A [Sophos] | 22 |
| Generic PWS.y [McAfee] | 21 |
| Mal/Zbot-O, Mal/EncPk-CZ [Sophos] | 19 |
| Win32/IRCBot.worm.variant [AhnLab] | 18 |
| PWS.Win32 [Ikarus] | 14 |
| Troj/Zbot-DX [Sophos] | 14 |
| Trojan-Spy.Zbot!sd6 [PC Tools] | 11 |
| Troj/Zbot-EH [Sophos] | 9 |
| Trojan-Spy.Win32.Zbot.qkr [Kaspersky Lab] | 9 |
| Packed.Generic.233 [Symantec] | 8 |
| PWS-Zbot [McAfee] | 8 |
| Mal/EncPk-HZ [Sophos] | 7 |
| Troj/Agent-JJP [Sophos] | 6 |
| TROJ_FAKEALE.SMB [Trend Micro] | 6 |
| Trojan Horse [Symantec] | 6 |
| Trojan-Spy.Banker!sd6 [PC Tools] | 6 |
| Win-Trojan/Agent.84480.CM [AhnLab] | 6 |
| Trojan-PSW.Banker [PC Tools] | 5 |
| Trojan-Spy.Zbot [Ikarus] | 5 |
| Win-Trojan/Obfuscator.70144.B [AhnLab] | 5 |
| Downloader-BON [McAfee] | 4 |
| FakeAlert-FH [McAfee] | 4 |
| Generic Dropper.ke [McAfee] | 4 |
| HeurEngine.MaliciousPacker [PC Tools] | 4 |
| Mal/EncPk-HP [Sophos] | 4 |
| Mal/EncPk-IV [Sophos] | 4 |
| Mal/EncPk-IV, Mal/EncPk-IF [Sophos] | 4 |
| Mal/Zbot-Q [Sophos] | 4 |
| Packed.Generic.232 [Symantec] | 4 |
| Spam-Mailbot.m [McAfee] | 4 |
| Troj/Agent-JHL [Sophos] | 4 |
| Troj/Agent-JIV [Sophos] | 4 |
| Trojan.Win32.Agent.bxge [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.Zbot.aack [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.Zbot.rev [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.Zbot.tem [Kaspersky Lab] | 4 |
| Win-Trojan/Zbot.73728.B [AhnLab] | 4 |
| Win-Trojan/Zbot.76288.D [AhnLab] | 4 |
| Win-Trojan/Zbot.79360 [AhnLab] | 4 |
| Spy-Agent.bw [McAfee] | 3 |
| Win-Trojan/Zbot.59392.B [AhnLab] | 3 |
| Generic Dropper.kj [McAfee] | 2 |
| Infostealer.Bancos [Symantec] | 2 |
| Mal/EncPk-HH [Sophos] | 2 |
| Mal/EncPk-IB [Sophos] | 2 |
| Mal/EncPk-IF [Sophos] | 2 |
| Mal/EncPk-MP, Mal/EncPk-IF [Sophos] | 2 |
| Mal/FakeAV-BT, Mal/EncPk-NP [Sophos] | 2 |
| Mal/FakeAV-BX [Sophos] | 2 |
| Mal/Generic-A [Sophos] | 2 |
| Mal/WaledPak-D [Sophos] | 2 |
| not-a-virus:FraudTool.Win32.SpywareProtect2009 [Ikarus] | 2 |
| Packed.Generic.221 [Symantec] | 2 |
| Packed.Win32.Krap.i [Kaspersky Lab] | 2 |
| Trojan.Win32.Agent [Ikarus] | 2 |
| Trojan-Downloader.Win32.Small [Ikarus] | 2 |
| Trojan-Downloader.Win32.Small.jlc [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.aakh [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.aavy [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.rxd [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.tgr [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.xav [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.xcy [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.zpx [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.zup [Kaspersky Lab] | 2 |
| Trojan-Spy.Zbot.YETH [PC Tools] | 2 |
| Win-Trojan/Zbot.61440.H [AhnLab] | 2 |
| Win-Trojan/Zbot.61952.C [AhnLab] | 2 |
| Win-Trojan/Zbot.61952.E [AhnLab] | 2 |
| Win-Trojan/Zbot.61952.F [AhnLab] | 2 |
| Win-Trojan/Zbot.66048.E [AhnLab] | 2 |
| Win-Trojan/Zbot.66048.F [AhnLab] | 2 |
| Win-Trojan/Zbot.67584.S [AhnLab] | 2 |
| Win-Trojan/Zpack.76288 [AhnLab] | 2 |
| Generic PWS.y!a [McAfee] | 1 |
| Generic PWS.y!dw [McAfee] | 1 |
| Generic PWS.y!p [McAfee] | 1 |
| Mal/Generic-A, Mal/EncPk-HZ [Sophos] | 1 |
| Mal/Generic-A, Mal/Zbot-O, Mal/EncPk-CZ [Sophos] | 1 |
| Trojan.Win32.Agent.bxlf [Kaspersky Lab] | 1 |
| Trojan-Spy.Agent [PC Tools] | 1 |
| Trojan-Spy.Win32.Zbot.qkq [Kaspersky Lab] | 1 |
| Vundo [McAfee] | 1 |
| Win-Trojan/Zbot.61952.J [AhnLab] | 1 |