mexe.com is a mwavscan
belonging to MicroWorld AntiVirus Toolkit Utility (MWAV)
from MicroWorld Technologies Inc.
Non-system processes like mexe.com originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.