ccc.exe is a Catalyst Control Centre: Host application from ATI Technologies Inc. belonging to Catalyst Control Centre.
It is required for the proper running of the software on your computer and should not be removed.
Non-system processes like ccc.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues