| Threat Alias | Number of Incidents |
| W32.IRCBot.Gen [Symantec] | 28 |
| New Malware.b [McAfee] | 23 |
| Suspicious.MH690 [Symantec] | 22 |
| Win32/IRCBot.worm.Gen [AhnLab] | 22 |
| Backdoor.Win32.IRCBot.gen [Kaspersky Lab] | 21 |
| Generic QHosts.a.gen [McAfee] | 19 |
| W32.Spybot.Worm [Symantec] | 18 |
| Backdoor.Win32.IRCBot [Ikarus] | 17 |
| Trojan.Win32.Qhost.cm [Kaspersky Lab] | 16 |
| Mal/Generic-A [Sophos] | 14 |
| Worm.Win32.Pushbot [Ikarus] | 14 |
| W32.IRCBot [Symantec] | 13 |
| W32/Checkout [McAfee] | 13 |
| Virus.Win32.IRCBot.BSX [Ikarus] | 12 |
| Trojan.QHosts.AA [PC Tools] | 11 |
| Mal/IRCBot-B [Sophos] | 10 |
| W32.Netsky.gen@mm [Symantec] | 10 |
| VirTool.Win32.DelfInject [Ikarus] | 9 |
| Trojan.QHosts.G [PC Tools] | 6 |
| W32/Generic.b.worm [McAfee] | 6 |
| W32/Sdbot.worm [McAfee] | 6 |
| Worm.Win32.AutoRun.mcp [Kaspersky Lab] | 6 |
| Mal/Behav-285 [Sophos] | 5 |
| Mal/EncPK-LL [Sophos] | 5 |
| Mal/IRCBot-B, Mal/Behav-150 [Sophos] | 5 |
| Mal/SillyFDC-A, Mal/Behav-150 [Sophos] | 5 |
| Suspicious.Skintrim [Symantec] | 5 |
| Virus.Win32.IRCBot [Ikarus] | 5 |
| W32/Sdbot.worm.gen.ci [McAfee] | 5 |
| Win32/IRCBot.worm.variant [AhnLab] | 5 |
| WORM_SDBOT.GAV [Trend Micro] | 5 |
| Backdoor.Win32.SdBot [Ikarus] | 4 |
| Exploit-DcomRpc.gen [McAfee] | 4 |
| Mal/SillyFDC-A [Sophos] | 4 |
| Mal/SillyFDC-A, Mal/IRCBot-B [Sophos] | 4 |
| Mal/SillyFDC-A, Mal/IRCBot-B, Mal/IRCBot-C [Sophos] | 4 |
| Packed.Win32.Black [Ikarus] | 4 |
| Trojan.Win32.Buzus.alvq [Kaspersky Lab] | 4 |
| WORM_RBOT.GEN [Trend Micro] | 4 |
| Backdoor.Win32.Wootbot.gep [Kaspersky Lab] | 3 |
| Constructor.Win32.Binder [Ikarus] | 3 |
| Mal/EncPk-JU [Sophos] | 3 |
| Packed.Win32.Black.a [Kaspersky Lab] | 3 |
| Trojan.IRCBot [PC Tools] | 3 |
| W32/Autorun.worm.gen [McAfee] | 3 |
| Win-Trojan/Buzus.390656.E [AhnLab] | 3 |
| Worm.RBot.Gen.16 [PC Tools] | 3 |
| Backdoor.Rbot [Ikarus] | 2 |
| Backdoor.Win32.Bifrose [Ikarus] | 2 |
| Downloader.gen.a [McAfee] | 2 |
| Email-Worm.Netsky!sd6 [PC Tools] | 2 |
| IRC Trojan [Symantec] | 2 |
| Mal/Behav-024, Mal/SillyFDC-A [Sophos] | 2 |
| Mal/Dorf-A [Sophos] | 2 |
| Net-Worm.Win32.Kolab [Ikarus] | 2 |
| Net-Worm.Win32.Mytob [Ikarus] | 2 |
| Troj/WootBt-Gen [Sophos] | 2 |
| Trojan Horse [Symantec] | 2 |
| Trojan.Crypt [Ikarus] | 2 |
| Virus.Win32.Agent.JBM [Ikarus] | 2 |
| W32.Mytob@mm [Symantec] | 2 |
| W32.SillyFDC [Symantec] | 2 |
| W32/Checkout!n [McAfee] | 2 |
| W32/Mytob.gen@MM [McAfee] | 2 |
| Win32/Mytob.worm.69632.C [AhnLab] | 2 |
| Win32/Mytob.worm.69632.D [AhnLab] | 2 |
| Worm.Win32.AutoRun [Ikarus] | 2 |
| Adware.Gen [PC Tools] | 1 |
| Adware.Gen [Symantec] | 1 |
| Backdoor.IRCBot!ct [PC Tools] | 1 |
| Backdoor.IRCBot.a.gen [PC Tools] | 1 |
| Backdoor.IRCBot.GEN [PC Tools] | 1 |
| Backdoor.Trojan [PC Tools] | 1 |
| Backdoor.Trojan [Symantec] | 1 |
| Backdoor.Win32.DsBot.jm [Kaspersky Lab] | 1 |
| Backdoor.Win32.IRCBot.dhr [Kaspersky Lab] | 1 |
| Backdoor.Win32.Rbot.acdi [Kaspersky Lab] | 1 |
| Backdoor.Win32.SdBot.miz [Kaspersky Lab] | 1 |
| Backdoor.Win32.SdBot.nlg [Kaspersky Lab] | 1 |
| Bloodhound.W32.1 [Symantec] | 1 |
| Email-Worm.Mytob!sd6 [PC Tools] | 1 |
| Generic.dx!rl [McAfee] | 1 |
| Infostealer.Gampass [Symantec] | 1 |
| Mal/Behav-150 [Sophos] | 1 |
| Mal/Behav-204 [Sophos] | 1 |
| Mal/Emogen-N, Mal/IRCBot-B [Sophos] | 1 |
| Mal/Emogen-N, Mal/IRCBot-B, Mal/SillyFDC-A [Sophos] | 1 |
| Mal/EncPk-EE [Sophos] | 1 |
| Mal/IRCBot-B, Mal/SillyFDC-A [Sophos] | 1 |
| Mal/UnkPack-Fam [Sophos] | 1 |
| Net-Worm.Win32.Kolab.dqp [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Kolab.fkt [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Kolab.fti [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Mytob.gge [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Mytob.ggm [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Mytob.gje [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Mytob.glv [Kaspersky Lab] | 1 |
| New Malware.cj [McAfee] | 1 |
| New Malware.dq [McAfee] | 1 |
| not-a-virus:FraudTool.Win32.SpyLocked [Ikarus] | 1 |