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What is wshost.exe?

Part of COM Surrogate by Microsoft

What is it?

The wshost.exe process goes by the name COM Surrogate and the only time you're likely even to notice its existence is when it crashes and you get the message COM Surrogate has stopped working. The COM Surrogate is a sacrificial process for a COM object that is run outside of the process that requested it. It does this in case the process it is trying to run crashes and instead of crashing the calling process the COM Surrogate crashes instead and the calling program is uneffected.
(wshost.exe is a system file that is installed with Windows)
Download Boost and enjoy your PC. Speed up COM Surrogate and optimize your PC.

How does wshost.exe run?

Process - wshost.exe is an instance of a running program. This 32-bit program executes with the privileges as the currently logged in user account. wshost.exe is executed by the process svchost.exe (Host Process for Windows Services by Microsoft).

Community

What is the community is seeing?What is the community is doing?
About 0.2% of all Boost users have the wshost.exe process running.Of the 0.2% of wshost.exe users, less than 1% have disabled it.
How resource intensive is wshost.exe?
Comparison based on the average resource utilization across all programs.
0.00007% CPU736.8%
Average CPU utilization across all programs is 0.00001%.
          3.05 MB RAM14.2%
Average private memory utilization across all programs is 21.53 MB.
 3 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
         9 GDI objects6.0%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:
C:\windows\winstore\wshost.exe

Are there other versions of COM Surrogate?

Why are multiple of the same versions listed?

What else is related?

What Windows OS versions does this run on?

Windows 8 Enterprise (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: wshost.exe
Publisher: Microsoft Corporation (verified)
Name: COM Surrogate
Description: Microsoft® Windows® Operating System
Version: 6.2.9200.16384 (win8_rtm.120725-1247)
Product version: 6.2.9200.16384
Size: 23.08 KB
Original file name: WSHost.exe
Windows file protection: Yes

Digital certificate

Certificate authority: Microsoft Corporation
Effective date: 4/9/2012
Expiration date: 7/9/2013

Resource utilization

CPU utilization averages
Total CPU: 0.0000772393%
Privileged CPU: 0.0000035566%
User CPU: 0.00007368272123%
Privileged CPU time: 2109.38 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 1,214,567,831
CPU cycle count /min: 1,243,945
Memory utilization averages
Committed memory: 68.14 MB
Peak committed memory: 75.95 MB
Paged memory: 3.05 MB
Peak paged memory: 3.46 MB
Paged system memory: 131.84 KB
Non-paged system memory: 7.74 KB
Working set memory: 8.13 MB
Peak working set memory: 10.01 MB
Min working set memory: 7.81 MB
Private memory: 3.05 MB
Page faults: 15,191
Page faults /min: 3
Process I/O averages
Total read operations: 9,954
Read operations /min: 2
Total read transfer: 3.79 MB
Read transfer /min: 670 Bytes
Total write operations: 2,271
Write operations /min: 1
Total write transfer: 1.88 MB
Write transfer /min: 332 Bytes
Total other operations: 9,098
Other operations /min: 2
Total other transfer: 141.78 KB
Other Transfer /min: 24 Bytes
GUI Object Averages
GDI objects: 9
Peak GDI objects: 9
USER objects: 8
Peak USER objects: 22
Resources
Handle count average: 237
Thread count average: 8
Thread resource averages
ntdll.dll
combase.dll

Process details

Runs as (owner): User
Integrety level: Medium
Windows platform: 32-bit
Parent Process
Process Command
C:\Windows\WinStore\WSHost.exe -Embedding

Image hashes

MD5: 93a992b7490e1d9402bcd24b8c4c485e
SHA-1: b8b4a2295c1400faa948818fb3f9d5a5ec1b8ee6
SHA-256: 11f3e5247d702d24077ce0df53f4bdc9dc806f75e5e059ca970f256421063831

PE image details

CLR assembly: Yes
CLR NGENed: No
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
Import Table
api-ms-win-core-com-l1-1-0.dll
api-ms-win-core-errorhandling-l1-1-1.dll
api-ms-win-core-file-l1-2-0.dll
api-ms-win-core-heap-l1-2-0.dll
api-ms-win-core-interlocked-l1-2-0.dll
api-ms-win-core-libraryloader-l1-1-1.dll
api-ms-win-core-processenvironment-l1-2-0.dll
api-ms-win-core-processthreads-l1-1-1.dll
api-ms-win-core-profile-l1-1-0.dll
api-ms-win-core-registry-l1-1-0.dll
api-ms-win-core-synch-l1-2-0.dll
api-ms-win-core-sysinfo-l1-2-0.dll
api-ms-win-shcore-thread-l1-1-0.dll
kernel32.dll
msvcrt.dll
user32.dll
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