eteshell.dll is a ERASER
belonging to East-Tec Eraser 2005 (TM)
from EAST Technologies
Non-system processes like eteshell.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.