| Threat Alias | Number of Incidents |
| W32.Spybot.Worm [Symantec] | 164 |
| Backdoor:Win32/Rbot.gen [Microsoft] | 128 |
| WORM_RBOT.GEN-1 [Trend Micro] | 112 |
| W32/Sdbot.worm.gen.g [McAfee] | 108 |
| Backdoor.Win32.Rbot.gen [Kaspersky Lab] | 99 |
| Win32/IRCBot.worm.Gen [AhnLab] | 87 |
| Mal/Generic-A [Sophos] | 69 |
| W32/Sdbot.worm [McAfee] | 65 |
| W32.IRCBot [Symantec] | 59 |
| W32/Rbot-Fam, W32/Rbot-Gen [Sophos] | 58 |
| W32.Randex.gen [Symantec] | 48 |
| Win32/IRCBot.worm.variant [AhnLab] | 47 |
| Trojan.Packed.16 [Symantec] | 44 |
| WORM_SPYBOT.GEN [Trend Micro] | 43 |
| Worm.Akbot.Gen [PC Tools] | 41 |
| Generic.dx [McAfee] | 39 |
| Mal/EncPk-BO [Sophos] | 35 |
| Backdoor.Win32.Rbot.aea [Kaspersky Lab] | 30 |
| Exploit-DcomRpc.gen [McAfee] | 26 |
| Trojan Horse [Symantec] | 26 |
| W32/Rbot-Fam [Sophos] | 25 |
| Backdoor.Win32.Rbot.aeu [Kaspersky Lab] | 24 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 22 |
| Virus:Win32/Virut.BM [Microsoft] | 22 |
| W32.Virut.CF [Symantec] | 22 |
| Win32/Virut.E [AhnLab] | 22 |
| Backdoor.IRCBot!sd6 [PC Tools] | 21 |
| W32/Rbot-Fam, W32/Scribble-B [Sophos] | 21 |
| Worm.RBot.Gen.10 [PC Tools] | 19 |
| W32/Rbot-Fam, W32/Rbot-Fam, Mal/TinyDL-T, Mal/Packer, Mal/Behav-024, Mal/AVKill-B [Sophos] | 16 |
| W32/Sdbot.worm.gen.t [McAfee] | 16 |
| Backdoor:Win32/Rbot [Microsoft] | 15 |
| Mal/Packer [Sophos] | 14 |
| W32/Rbot-Fam, W32/Rbot-Gen, Mal/Behav-134, Mal/Behav-024, Mal/AVKill-B, Mal/IRCBot-B [Sophos] | 14 |
| W32/Rbot-Fam, W32/Rbot-Gen, Mal/Behav-134, Mal/AVKill-B, Mal/Behav-024, Mal/IRCBot-B [Sophos] | 13 |
| VirTool:Win32/CeeInject.gen!J [Microsoft] | 12 |
| Mal_Strat-4 [Trend Micro] | 11 |
| Suspicious.MH690 [Symantec] | 11 |
| Trojan:Win32/Ircbrute [Microsoft] | 11 |
| Worm.RBot.Gen.14 [PC Tools] | 11 |
| Mal/Packer, Mal/EncPk-BW [Sophos] | 10 |
| New Malware.n [McAfee] | 10 |
| VirTool:Win32/VBInject.AQ [Microsoft] | 10 |
| Win32/MalPackedB.suspicious [AhnLab] | 10 |
| Win-Trojan/Xema.variant [AhnLab] | 10 |
| Backdoor.Win32.Rbot.aus [Kaspersky Lab] | 9 |
| Email-Worm.Win32.Warezov.sz [Kaspersky Lab] | 9 |
| Mal/EncPk-BO, Mal/Behav-160 [Sophos] | 9 |
| Trojan:Win32/AgentBypass.gen!U [Microsoft] | 9 |
| VirTool:Win32/DelfInject.gen!L [Microsoft] | 9 |
| WORM_SPYBOT.JI [Trend Micro] | 9 |
| Backdoor.Sdbot [Symantec] | 8 |
| Infostealer.Gampass [Symantec] | 8 |
| Mal/Behav-243 [Sophos] | 8 |
| Mal/Behav-285 [Sophos] | 8 |
| WORM_SDBOT.GAV [Trend Micro] | 8 |
| Backdoor.Rbot!sd6 [PC Tools] | 7 |
| Backdoor.Trojan [Symantec] | 7 |
| Backdoor.Win32.IRCBot.gen [Kaspersky Lab] | 7 |
| Trojan:Win32/Meredrop [Microsoft] | 7 |
| VirTool:Win32/CeeInject.gen!A [Microsoft] | 7 |
| W32/Rbot-Fam, W32/Rbot-Gen, Mal/Behav-024, Mal/IRCBot-B [Sophos] | 7 |
| Backdoor.Rbot!ct [PC Tools] | 6 |
| Backdoor.Win32.Rbot.zfm [Kaspersky Lab] | 6 |
| Backdoor:Win32/Mobibez [Microsoft] | 6 |
| BackDoor-AWQ.b [McAfee] | 6 |
| Cryp_PESpin [Trend Micro] | 6 |
| Mal/VB-AD [Sophos] | 6 |
| Trojan:Win32/Agent.gen!C [Microsoft] | 6 |
| W32.SillyFDC [Symantec] | 6 |
| W32/Rbot-Fam, Mal/IRCBot-B [Sophos] | 6 |
| WORM_RBOT.GEN [Trend Micro] | 6 |
| Backdoor.Graybird [Symantec] | 5 |
| Backdoor.Win32.Hupigon.fgvq [Kaspersky Lab] | 5 |
| Backdoor.Win32.Rbot.qwv [Kaspersky Lab] | 5 |
| Backdoor:Win32/Ursap!rts [Microsoft] | 5 |
| Exploit:Win32/MS06040.gen [Microsoft] | 5 |
| Mal/ProcInj-Fam [Sophos] | 5 |
| Mal/VB-AB, Mal/VB-W, Mal/Behav-211 [Sophos] | 5 |
| New Malware.aj [McAfee] | 5 |
| New Malware.b [McAfee] | 5 |
| Packed.Win32.Klone.bh [Kaspersky Lab] | 5 |
| PWS-Banker [McAfee] | 5 |
| Trojan.Win32.Agent2.dfj [Kaspersky Lab] | 5 |
| Trojan.Win32.Buzus.aoko [Kaspersky Lab] | 5 |
| Trojan-Dropper.Win32.VB.aelb [Kaspersky Lab] | 5 |
| W32.SillyDC [Symantec] | 5 |
| W32/Rbot-Fam, Mal/Behav-024, Mal/IRCBot-B [Sophos] | 5 |
| W32/Virut.gen.a [McAfee] | 5 |
| Backdoor.Bifrose [Symantec] | 4 |
| Backdoor.Bifrose.ABA [PC Tools] | 4 |
| Backdoor.IRC.Bot [Symantec] | 4 |
| Backdoor.Rbot [PC Tools] | 4 |
| Backdoor.Rbot.AEU [PC Tools] | 4 |
| Backdoor.SpyBoter [PC Tools] | 4 |
| Backdoor.Win32.Bifrose.agn [Kaspersky Lab] | 4 |
| Backdoor.Win32.Rbot.aayt [Kaspersky Lab] | 4 |
| Backdoor.Win32.Rbot.bzf [Kaspersky Lab] | 4 |
| Backdoor.Win32.Rbot.ulg [Kaspersky Lab] | 4 |
| Backdoor.Win32.Rbot.xde [Kaspersky Lab] | 4 |