Try now

Program info

Estimated safety rating


msascuil.exe is a application which is probably NOT a virus. So, if msascuil.exe is on your computer, it is probably ok, and will NOT be a cause for concern. Even if your PC is virus-free, it is still recommended to run a well-known antivirus with a good detection rate, in order to yourself yourself against viruses and malware.

Executable file path

 C:\Program Files\Windows Defender\MSASCuiL.exe

The default name and path where the application is stored is
C:\Program Files\Windows Defender\MSASCuiL.exe.

MD5 hash of the executable file


The MD5 checksum for this program is 29a8020fb11fdac40ea4ec6c078191f8.

Is running as a service


This program does NOT run as a Windows service. This is normally a good sign.

Belongs to the operating system


msascuil.exe seems to use the functions of Windows SFC (System File Checker) or Windows File Protection.

Is a 64 bit executable file


This is a x64 executable. It runs using the full capacity of nowadays' computer processors.

File description

 Windows Defender notification icon

The description extracted from the exe is Windows Defender notification icon.

File version

 4.10.14393.1066 (rs1_release_sec.170327-1835)

File version stored as a property 4.10.14393.1066 (rs1_release_sec.170327-1835).


 Microsoft Corporation

Company name Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Legal copyright notice © Microsoft Corporation. All rights reserved..

Has valid windows


This file does NOT have visible elements of user interface. This is usually a bad thing.

Potentially dangerous functions


Some unusual functions of Windows appear to be used, such as functions for recording the keyboard. We recommend you to perform more in-depth research about this program.

Digitally signed


msascuil.exe has a digital signature. Today the large majority of virus-free software applications are digitally signed.

Valid digital signature


The digital signature extracted from msascuil.exe checks out perfectly. This is most likely a clean, ok program.

Certifier name

 Microsoft Windows

Digital certificate name: Microsoft Windows

Issuer name

 Microsoft Windows Production PCA 2011

Certificate's issuer name: Microsoft Windows Production PCA 2011

Can be uninstalled


This program does NOT have an uninstall command set up in registry.