| Threat Alias | Number of Incidents |
| IRC/Flood.ev [McAfee] | 53 |
| IRC/Flood.dv [McAfee] | 46 |
| Backdoor.IRC.Flood [Symantec] | 38 |
| IRC Trojan [Symantec] | 37 |
| Backdoor.IRC.Zapchast [Kaspersky Lab] | 31 |
| Backdoor:IRC/Flood.CC [Microsoft] | 24 |
| IRC/Flood.c [McAfee] | 24 |
| Trojan.IRC.Flood.DV [Ikarus] | 20 |
| BAT.Trojan [Symantec] | 16 |
| IRC/Flood.ba [McAfee] | 16 |
| Trojan.BAT.Zapchast [Kaspersky Lab] | 16 |
| Trojan.Dropper [Symantec] | 16 |
| Trojan.IRC.Flood.EV [Ikarus] | 16 |
| Backdoor.mIRC [PC Tools] | 14 |
| Backdoor.IRC.Zapchast [Ikarus] | 13 |
| Backdoor:IRC/Flood.BZ [Microsoft] | 11 |
| IRC.Flood.CJ [PC Tools] | 7 |
| VBS/Zapchast [AhnLab] | 6 |
| IRC/Flood.Winhelp [McAfee] | 4 |
| Backdoor.Trojan [Symantec] | 2 |
| Generic.dl [McAfee] | 2 |
| IRC/Flood.ak [McAfee] | 2 |
| IRC/Flood.b [McAfee] | 2 |
| Trojan.Mirc.Flood.AI [Ikarus] | 2 |
| Trojan.WinREG.RunKeys.e [Kaspersky Lab] | 2 |
| VBS/Flood [AhnLab] | 2 |
| W32.Spybot.Worm [Symantec] | 2 |
| Backdoor.IRC.ColdLife.30 [Ikarus] | 1 |
| Backdoor.IRC.Ratsou.D [Symantec] | 1 |
| Backdoor.IRC.Sliv.d [Kaspersky Lab] | 1 |
| Backdoor.IRC.Zapchast.a [Kaspersky Lab] | 1 |
| Backdoor.Rbot!sd5 [PC Tools] | 1 |
| Backdoor.SdBot!sd5 [PC Tools] | 1 |
| Backdoor.Win32.Rbot.beh [Kaspersky Lab] | 1 |
| Backdoor.Win32.SdBot.ash [Kaspersky Lab] | 1 |
| Backdoor.Win32.SdBot.qc [Kaspersky Lab] | 1 |
| Backdoor:IRC/Bnc.H [Microsoft] | 1 |
| Backdoor:IRC/Flood.BS [Microsoft] | 1 |
| Backdoor:IRC/Tagbot.E [Microsoft] | 1 |
| IRC.Zapchast.AS [PC Tools] | 1 |
| IRC/Flood.am [McAfee] | 1 |
| IRC/Flood.e [McAfee] | 1 |
| Net-Worm.Win32.Randon.AR [Ikarus] | 1 |
| Troj/Flood-IG [Sophos] | 1 |
| Troj/Progent-AF [Sophos] | 1 |
| Trojan:Win32/GTVirtualSlut [Microsoft] | 1 |
| W32.Randex [Symantec] | 1 |
| W32/Sdbot.worm.gen.h [McAfee] | 1 |
| Worm.Win32.Randon.AX#1 [Ikarus] | 1 |