msascuil.exe is a application which is probably NOT a virus. So, if msascuil.exe is on your laptop or desktop computer, it is probably ok, and will NOT cause problems. Even if your PC is clean, we still advise you to use a good antivirus with a good track record, in order to yourself your PC against threats.
The default name and folder where the program is stored is
C:\Program Files\Windows Defender\MSASCuiL.exe.
The MD5 checksum for this executable is 47b132f5ff6c1555be449d59ad6a6788.
This application does NOT run as a Windows service. This is normally a good sign.
msascuil.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This application can exploit the full power of a modern PC processor.
The description extracted from the program is Windows Defender notification icon.
File version stored as a property 4.11.15063.0 (WinBuild.160101.0800).
Company name Microsoft Corporation.
Intellectual property rights notice © Microsoft Corporation. All rights reserved..
msascuil.exe appears to have a visible user interface. This is good because it doesn't work in a kind of invisible mode. Its activity is clearly displayed to you.
Some dangerous functions of Windows have been used, such as functions for tapping the keyboard. We advise you to read more about this program.
msascuil.exe is digitally signed. Today most legit programs are digitally signed.
The digital signature attached to msascuil.exe verifies as ok. This is very good.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This program does NOT have an uninstall routine stored in registry.