passbox.dfm definition, relationships, removal:

This is a part of a malicious parasite that violates user privacy and damages the compromised system. The passbox.dfm file can be used for different purposes depending on the related parasite's type, functionality and carried payload. Although passbox.dfm may not take any malicious actions by itself, it ensures that a parasite is working properly and therefore needs to be removed. DO NOT open, execute or edit passbox.dfm!
The passbox.dfm file is installed and used by Asylum.
In some cases a presence of passbox.dfm does not mean that your system is infected. The file may actually belong to some fully legitimate applications and therefore must stay intact. If you are in doubt, please scan the passbox.dfm file using you regular spyware remover or antivirus program.