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What is perfhost.exe?

Part of x86 Performance Counter Host by Microsoft

(perfhost.exe is a system file that is installed with Windows)
Download Boost and enjoy your PC. Speed up x86 Performance Counter Host and optimize your PC.

How does perfhost.exe run?

Service - perfhost.exe runs as a background Windows service called 'PerfHost' (Host de DLL de Contador de Desempenho). This is a system service that is installed with the Windows operating system and protected with Window's File Protection.

Community

What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the perfhost.exe process running.Of the 0.1% of perfhost.exe users, less than 1% have disabled it.
How resource intensive is perfhost.exe?
Comparison based on the average resource utilization across all programs.
     624 KB RAM2.8%
Average private memory utilization across all programs is 21.53 MB.
Typical file (disk image) location:
C:\windows\syswow64\perfhost.exe

Are there other versions of x86 Performance Counter Host?

perfhost.exe - version 6.3.9431.0 (winmain_bluemp.130615-1214)
perfhost.exe - version 6.2.9200.16384 (win8_rtm.120725-1247) (this)
perfhost.exe - version 6.2.8400.0 (winmain_win8rc.120518-1423)
perfhost.exe - version 6.1.7600.16385 (win7_rtm.090713-1255)
perfhost.exe - version 6.1.7600.16385 (win7_rtm.090713-1255)
perfhost.exe - version 6.0.6001.18000 (longhorn_rtm.080118-1840)
Why are multiple of the same versions listed?

What else is related?

themeui.dll (Windows-Design-API by Microsoft)
sstext3d.scr (Direct3D-Textbildschirmschoner by Microsoft)
photoviewershim.dll (Windows Live Photo Gallery by Microsoft)
logonui.exe (Windows-Anmeldebenutzeroberfläche by Microsoft)
msxml4a.dll (Microsoft(R) MSXML 4.0 SP1 by Microsoft)
msxml4r.dll (Microsoft(R) MSXML 4.0 SP1 by Microsoft)
msxml4.dll (Microsoft(R) MSXML 4.0 SP 2 by Microsoft)
freecell.exe (Entertainment Pack FreeCell Game by Microsoft)
wiaacmgr.exe (Windows Picture Acquisition Wizard by Microsoft)
prodaiintl1033.dll (ProdAddInIntl by Microsoft)
mimectl.dll (Microsoft® Exchange by Microsoft)
msvcp60.dll (Microsoft (R) Visual C++ by Microsoft)
rstrui.exe (System Restore Application by Microsoft)
dismhost.exe (Dism Host Servicing Process by Microsoft)
bcmsqlstartupsvc.exe (Business Contact Manager for Microsoft Outlook 2010 by Microsoft)
msonsext.dll (Microsoft Office by Microsoft)
encwcbar.dll (Microsoft Encarta by Microsoft)
workfolderssvc.dll (Microsoft® Work Folders Service by Microsoft)
appreadiness.dll (AppReadiness by Microsoft)
ole32.dll (Microsoft OLE for Windows by Microsoft)
microsoft.biztalk.brmacontrols.dll (Microsoft (R) BizTalk (R) Server 2010 by Microsoft)
ssoconfig.exe (Microsoft® Enterprise Single Sign-On by Microsoft)

What Windows OS versions does this run on?

Windows 8 (6.2.9200.0)
Windows 8 Enterprise (6.2.9200.0)
Windows 8 Enterprise N (6.2.9200.0)
Windows 8 Pro (6.2.9200.0)
Windows 8 Pro N (6.2.9200.0)
Windows 8 Pro with Media Center (6.2.9200.0)
Windows 8 Single Language (6.2.9200.0)
Windows Server 2012 Standard Evaluation (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: perfhost.exe
Publisher: Microsoft Corporation (verified)
Name: x86 Performance Counter Host
Description: Microsoft® Windows® Operating System
Version: 6.2.9200.16384 (win8_rtm.120725-1247)
Product version: 6.2.9200.16384
Size: 20.5 KB
Original file name: perfhost.exe.mui
Windows file protection: Yes

Resource utilization

Memory utilization averages
Committed memory: 12.11 MB
Peak committed memory: 13.14 MB
Paged memory: 624 KB
Peak paged memory: 768 KB
Paged system memory: 24.16 KB
Non-paged system memory: 4.31 KB
Working set memory: 2.4 MB
Peak working set memory: 2.43 MB
Min working set memory: 2.4 MB
Private memory: 624 KB
Resources
Handle count average: 36
Thread count average: 2

Process details

Runs as (owner): User
Integrety level: Undefined
Windows platform: 64-bit
Runs as a service: Yes
Parent Process
services.exe (ระบบปฏิบัติการ Microsoft® Windows® by Microsoft)
Process Command
C:\WINDOWS\SysWow64\perfhost.exe

Service details

Name: Host de DLL de Contador de Desempenho
Service name: PerfHost
Service type: Win32OwnProcess

Image hashes

MD5: eb88fa19f0ea05dd04be9c5ffeeffe1a
SHA-1: cf1adf659173e30b720efccf6f3ff22e02840095
SHA-256: 459cf99d5243c4acaa38c7b426adc52f1044c759d06a925d475df6213aeb85cd

PE image details

File entropy: 5.57792
File packed: No
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