asuniplg.dll is a AntiSpam Universal Plug-in Helper
from Symantec Corporation
belonging to Norton AntiSpam
This is usually found after installing Norton Internet Security.
Non-system processes like asuniplg.dll 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