Mal/Zapchas-A is a family of Trojans for the Windows platform.
Members of Mal/Zapchas-A run continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.
When members of Mal/Zapchas-A are installed some of the following files are typically dropped:
The main dropped executable executable is usually a version of the mIRC chat application, sometimes infected with another virus.
Members of Mal/Zapchas-A often create the following folders:
Members of Mal/Zapchas-A often set a registry entry at the following location to run the main dropped executable: