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What is mpcmdrun.exe?

Part of Windows Defender by Microsoft

What is it?

You can use this tool to automate and troubleshoot Microsoft Antimalware Service. So for instance if you wish to do a quick scan from the command line, you can use -Scan 1 parameter. Microsoft Security Essentials is efficient and compact. Scans and updates are scheduled to run when the PC is idle and the software works in a way that your PC is still snappy when you’re using it.
Description of mpcmdrun.exe from Microsoft
There are a host of nasty intruders on the Internet including viruses, trojans, worms and spyware. Microsoft Security Essentials offers award-winning protection against these intruders without getting in your way. Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software. Microsoft Security Essentials 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. Microsoft Security Essentials runs quietly in the background. You’ll only be alerted when there are specific actions to take.
Download Boost and enjoy your PC. Speed up Windows Defender and optimize your PC.

How does mpcmdrun.exe run?

Process - mpcmdrun.exe is an instance of a running program. This program executes under the NETWORK SERVICE account within Windows with minimum privileges on the local computer and acts as the computer on the network. mpcmdrun.exe is executed by the process taskeng.exe (Task Scheduler Engine by Microsoft).

How does mpcmdrun.exe start?

Scheduled task - mpcmdrun.exe is launched automatically by registering itself into the Windows Task Scheduler under the task name 'C:\WINDOWS\Tasks\MP Scheduled Scan.job'. Task Scheduler provides the ability to schedule the launch of programs or scripts at pre-defined times or after specified time intervals or even with event-based triggers.

Community

What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the mpcmdrun.exe process running.Of the 0.1% of mpcmdrun.exe users, 32.0% have disabled it.
How stable is Windows Defender?
Based on crash data discovered by Boost, stability is a measure of how sound this particular process and the average percent of times it crashes.
     mpcmdrun.exe0.03%
Typical program1.26%
How resource intensive is mpcmdrun.exe?
Comparison based on the average resource utilization across all programs.
0.01388% CPU138846.5%
Average CPU utilization across all programs is 0.00001%.
     1.54 MB RAM7.1%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:
C:\Program Files\windows defender\mpcmdrun.exe

Are there other versions of Windows Defender?

What else is related?

Windows Defender Stability

mpcmdrun.exe crashes or has encountered a critical error 0.8900% of the time.
1.  
Error: MpTelemetry (MpTelemetry)
Occurred: over 6 months ago
2.  
Error: MpTelemetry (MpTelemetry)
Occurred: over 6 months ago
3.  
Error: MpTelemetry (MpTelemetry)
Occurred: over 3 months ago

What Windows OS versions does this run on?

Windows Vista (TM) Home Basic (6.0.6001.65536)
Windows Vista (TM) Business (6.0.6002.131072)
Windows Vista (TM) Home Basic (6.0.6002.131072)
Windows Vista (TM) Home Premium (6.0.6002.131072)
Windows Vista (TM) Ultimate (6.0.6002.131072)
Windows Vista Ultimate (6.0.6002.131072)

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: mpcmdrun.exe
Publisher: Microsoft Corporation (verified)
Name: Windows Defender
Description: Windows Defender Command Line Utility
Version: 1.1.1600.0
Size: 312.05 KB
Original file name: MpCmdRun.exe

Digital certificate

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

Resource utilization

CPU utilization averages
Total CPU: 0.0263163218%
Privileged CPU: 0.0124316713%
User CPU: 0.01388465049292%
Privileged CPU time: 611 ms
Privileged CPU time /min: 11 ms
CPU cycle count: 634,337,957
CPU cycle count /min: 157,738,892
Memory utilization averages
Committed memory: 41.64 MB
Peak committed memory: 41.72 MB
Paged memory: 1.54 MB
Peak paged memory: 1.56 MB
Paged system memory: 81.24 KB
Non-paged system memory: 2.78 KB
Working set memory: 2.33 MB
Peak working set memory: 4.01 MB
Min working set memory: 2.33 MB
Private memory: 1.54 MB
Page faults: 1,099
Page faults /min: 55
Process I/O averages
Total read operations: 2
Read operations /min: 1
Total read transfer: 718 Bytes
Read transfer /min: 43 Bytes
Total write operations: 5
Write operations /min: 1
Total write transfer: 734 Bytes
Write transfer /min: 38 Bytes
Total other operations: 300
Other operations /min: 8
Total other transfer: 1.37 KB
Other Transfer /min: 39 Bytes
Resources
Handle count average: 81
Thread count average: 3
Thread resource averages
rpcrt4.dll

Process details

Runs as (owner): Network Service
Integrety level: System
Windows platform: 32-bit
Parent Process
Process Commands
"C:\Program Files\windows defender\MpCmdRun.exe" Scan -RestrictPrivileges -Reinvoke
"C:\Program Files\windows defender\MpCmdRun.exe" Scan -RestrictPrivileges

Scheduled task details

Name: MP Scheduled Signature Update
Command: \Microsoft\Windows Defender\MP Scheduled Signature Update

Image hashes

MD5: e74fb6420f31b5261c623ed6101f7d1e
SHA-1: d49f0637af2d5c71ebbb882ccf672e5d98995287
SHA-256: 3eae1922b81f20ccb4b45ce788ede17ee1b4a438345dfaef5c12b45e8a50cd2c

PE image details

Subsystem: Windows Console
Langauge*: Microsoft Visual C++
File entropy: 6.22942
File packed: No
Import Table
advapi32.dll
kernel32.dll
mpclient.dll
msvcp80.dll
msvcr80.dll
msvcrt.dll
netapi32.dll
ole32.dll
rpcrt4.dll
shell32.dll
urlmon.dll
user32.dll
userenv.dll
version.dll
winhttp.dll
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