| Threat Alias | Number of Incidents |
| Backdoor.IRC.Zapchast.zwrc [Kaspersky Lab] | 3,514 |
| Backdoor.IRC.Zapchast [Ikarus] | 3,277 |
| REG_ZAPCHAST.ED [Trend Micro] | 3,097 |
| Reg/IRCSpoolsv [McAfee] | 3,021 |
| Trojan.RunKeys [PC Tools] | 2,204 |
| IRC.Backdoor.Trojan [Symantec] | 2,166 |
| Generic component [McAfee] | 1,224 |
| Backdoor.IRC.Flood [Symantec] | 1,168 |
| Trojan.mIRC-Based.AM [PC Tools] | 651 |
| REG/Zapchast [AhnLab] | 608 |
| Backdoor.IRC.Zapchast [PC Tools] | 344 |
| BAT/Zapchast [AhnLab] | 248 |
| Mal/Zapchas-A [Sophos] | 4 |
| not-a-virus:Client-IRC.Win32.mIRC.603 [Kaspersky Lab] | 2 |
| Backdoor.IRC.Zapchast.g [Kaspersky Lab] | 1 |
|
