What is emos.sys? Should I remove it?

emos.sys is a malicious parasite component responsible for implementing main parasite functions, hiding its running processes or delivering a destructive payload. The emos.sys file usually works in the same manner as a system service or a device driver. In some cases it contains essential settings of a particular parasite.
The emos.sys file is installed and used by EmailObserver.
You are highly advised to scan the system, delete the emos.sys file and all related objects.
In some cases a presence of emos.sys 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 emos.sys file using you regular spyware remover or antivirus program.