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What is MSASCui.exe?

Part of Windows Defender by Microsoft

What is it?

MSASCui.exe is the Windows Defender User Interface, the main UI for Windows Defender.
Description of msascui.exe from Microsoft
Windows Defender is a free program that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software. Windows Defender provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software. Windows Defender is a free* download from Microsoft that is simple to install, easy to use, and is automatically updated to protect your PC with the latest technology. Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times. Windows Defender is able to detect and remove more threats posed by spyware and other potentially unwanted software. Real Time Protection has also been enhanced to better monitor key points in the operating system for changes.
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How does msascui.exe run?

Process - MSASCui.exe is an instance of a running program. This 64-bit program executes with the privileges as the currently logged in user account. MSASCui.exe is executed by the process explorer.exe (Windows Explorer by Microsoft).

How does msascui.exe start?

Startup files (all users) run - MSASCui.exe is registered with the run identifier 'Windows Defender' and the execution command '"C:\Program Files\Windows Defender\MSASCui.exe" -hide' in the Windows registry HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run. Run keys are startup registry keys that are used to launch an application automatically when any Windows user logs into Windows.
Windows Defender is loaded by:

Community

What is the community is seeing?What is the community is doing?
About 0.2% of all Boost users have the msascui.exe process running.Of the 0.2% of msascui.exe users, 25.0% have disabled it.
How resource intensive is MSASCui.exe?
Comparison based on the average resource utilization across all programs.
0.00009% CPU866.6%
Average CPU utilization across all programs is 0.00001%.
7.52 MB RAM34.9%
Average private memory utilization across all programs is 21.53 MB.
83 GDI objects55.3%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:
C:\Program Files\windows defender\msascui.exe

Are there other versions of Windows Defender?

What else is related?

What Windows OS versions does this run on?

Windows 8.1 Pro with Media Center (6.2.9200.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: MSASCui.exe
Publisher: Microsoft Corporation (verified)
Name: Windows Defender
Description: Windows Defender User Interface
Version: 4.5.0218.0
Size: 1.27 MB
Original file name: MSASCUI.exe

Digital certificate

Certificate authority: Microsoft Corporation
Effective date: 4/4/2006
Expiration date: 10/4/2007

Resource utilization

CPU utilization averages
Total CPU: 0.0001913471%
Privileged CPU: 0.0001046863%
User CPU: 0.00008666084672%
Privileged CPU time: 9906.25 ms
Privileged CPU time /min: 4 ms
Memory utilization averages
Committed memory: 200.89 MB
Peak committed memory: 211.13 MB
Paged memory: 7.52 MB
Peak paged memory: 9.91 MB
Paged system memory: 387.92 KB
Non-paged system memory: 16.59 KB
Working set memory: 12.38 MB
Peak working set memory: 20.03 MB
Min working set memory: 10.88 MB
Private memory: 7.52 MB
GUI Object Averages
GDI objects: 83
Peak GDI objects: 103
USER objects: 97
Peak USER objects: 104
Resources
Handle count average: 308
Thread count average: 3
Thread resource averages
gdiplus.dll

Process details

Runs as (owner): User
Integrety level: Undefined
Windows platform: 64-bit
Parent Process
Process Command
"C:\Program Files\Windows Defender\MSASCui.exe"

Startup files (all users) run details

Name: Windows Defender User Interface
Command: "C:\Program Files\Windows Defender\MSASCui.exe" -hide

Image hashes

MD5: 154928429ed4cdb1e3bb96719a3b7c5b
SHA-1: 826a41709f28752895e0412ebc0e98a2ca53412d

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++ 8.0
File entropy: 6.32243
File packed: No
Import Table
advapi32.dll
comctl32.dll
gdi32.dll
gdiplus.dll
kernel32.dll
mpclient.dll
mprtmon.dll
msmpres.dll
msvcp80.dll
msvcr80.dll
msvcrt.dll
netapi32.dll
ole32.dll
oleacc.dll
rpcrt4.dll
shell32.dll
shlwapi.dll
urlmon.dll
user32.dll
version.dll
winhttp.dll
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