is-na7um.exe is a AVP
belonging to Kaspersky Anti-Virus Removal Tool
from Kaspersky Lab
Non-system processes like is-na7um.exe 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.