as2stubie.dll is a as2stubie
belonging to Panda ActiveScan 2.0
from Panda Security
Non-system processes like as2stubie.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.