| Threat Alias | Number of Incidents |
| IRC Trojan [Symantec] | 63 |
| Backdoor.IRC.Zapchast [Kaspersky Lab] | 44 |
| Troj/IRCFlood-O [Sophos] | 44 |
| TROJ_Generic [Trend Micro] | 31 |
| Backdoor.mIRC [PC Tools] | 30 |
| IRC.Flood.CJ [PC Tools] | 27 |
| Backdoor:IRC/Flood.BZ [Microsoft] | 20 |
| Backdoor.Ircflood [Ikarus] | 13 |
| Backdoor.IRC.Zapchast [Ikarus] | 12 |
| Backdoor.IRC.Flood [PC Tools] | 3 |
| Backdoor.IRC.Zapchast.zwra [Kaspersky Lab] | 2 |
| Backdoor:IRC/Flood.CG [Microsoft] | 2 |
| BKDR_Generic [Trend Micro] | 2 |
| BKDR_Generic.CON [Trend Micro] | 2 |
| IRC_IRCFLOOD.AP [Trend Micro] | 2 |
| mIRC/Zapchast [AhnLab] | 2 |
| Net-Worm.Win32.Randon.AR [Ikarus] | 2 |
| Troj/IRCFlood-U [Sophos] | 2 |
| Troj/Zapchas-DI [Sophos] | 2 |
| Backdoor.IRC.Zapchast.zwqy [Kaspersky Lab] | 1 |
| Backdoor:IRC/Bnc.H [Microsoft] | 1 |
| Net-Worm.Win32.Randon [Ikarus] | 1 |
| TROJ_SCRIPT.FP [Trend Micro] | 1 |