Short Bio

This is the detection for a family of Trojans that installs an mIRC client on the affected system, allowing the threat actor to take control of it. They often deploy a keylogger.

Common infection method

These Trojans are spread by mail attachments most of the time.


Malwarebytes can remove Backdoor.Zapchast without further user interaction. You may find additional malware if this Trojan has been active.