imgshl32.dll is a DAEMON Tools Pro Disc Image Shell Extension
belonging to DAEMON Tools Pro
from DT Soft Ltd.
Non-system processes like imgshl32.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.