Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 5.89%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.12%
6.2.9200.16384 (win8_rtm.120725-1247) 55.36%
6.2.9200.16384 (win8_rtm.120725-1247) 21.20%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.24%
6.1.7600.16385 (win7_rtm.090713-1255) 5.30%
6.1.7600.16385 (win7_rtm.090713-1255) 4.83%
6.1.7600.16385 (win7_rtm.090713-1255) 2.24%
6.1.7600.16385 (win7_rtm.090713-1255) 2.47%
6.0.6000.16386 (vista_rtm.061101-2205) 1.18%
6.0.6000.16386 (vista_rtm.061101-2205) 0.59%
6.0.6000.16386 (vista_rtm.061101-2205) 0.47%
6.0.5716.32 (winmain(wmbla).060928-1756) 0.12%

Relationships

Parent process
Child process
Related files

WUDFHost.exe

Windows Driver Foundation - User-mode Driver Framework Host Process by Microsoft

Remove WUDFHost.exe
Version:   6.1.7600.16385 (win7_rtm.090713-1255)
MD5:   c6e7ab7e798167095987ebccb76df61b
SHA1:   8e91c91146c1c93c7211818cb220d57cfc1aeddf
SHA256:   35ad463afd5394c9c339b6cbe1f6917954c2ed7de7cff02a2fb3ccf48a983ffd
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is WUDFHost.exe?

Windows Driver Foundation (WDF) is a set of Microsoft tools that aid in the creation of device drivers for Windows. The User-Mode Driver Framework, for writing certain classes of driver that can run in user-mode.

About WUDFHost.exe (from Microsoft)

“WDF implements the fundamental features of a Windows driver and enables you to focus on the specific details of your hardware or filter. WDF defines a single driver model that you can use to create ob”

Overview

WUDFHost.exe executes as a process with the local user's privileges typically within the context of its parent svchost.exe (Host Process for Windows Services by Microsoft Corporation). This version is designed to run on Windows 7 and is compiled as a 32 bit program.

DetailsDetails

File name:WUDFHost.exe
Publisher:Microsoft Corporation
Product name:Windows Driver Foundation - User-mode Driver Framework Host Process
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\wudfhost.exe
Original name:WUDFHost.exe.mui
File version:6.1.7600.16385 (win7_rtm.090713-1255)
Product version:6.1.7600.16385
Size:191 KB (195,584 bytes)
Digital DNA
Entropy:5.856292
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.01119368%
0.028634%
Kernel CPU:0.00887010%
0.013761%
User CPU:0.00232358%
0.014873%
Kernel CPU time:299,883 ms/min
100,923,805ms/min
User CPU time:0 ms/min
0 ms/min
CPU cycles:62,275/sec
17,470,203/sec
Context switches:2/sec
284/sec
Memory
Private memory:1.65 MB
21.59 MB
Private (maximum):4.67 MB
Private (minimum):3.63 MB
Non-paged memory:1.65 MB
21.59 MB
Virtual memory:34.59 MB
140.96 MB
Virtual memory (peak):35.42 MB
169.69 MB
Working set:4.07 MB
18.61 MB
Working set (peak):5.26 MB
37.95 MB
Page faults:3,387/min
2,039/min
I/O
I/O read transfer:2.12 KB/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:39 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:188 Bytes/sec
448.09 KB/min
I/O other operations:17/sec
1,671/min
Resource allocations
Threads:9
12
Handles:226
600
GUI GDI count:4
103
GUI USER count:2
49

BehaviorsProcess properties

Integrety level:System
Platform:32-bit
Command lines:
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-8ad0ecc9-d735-47b4-8134-220c5c7996c3 -systemeventportnamC:hostprocess-64419664-b054-426f-91c0-84217bb307eb -iocanceleventportnamC:hostprocess-67857988-03df-4027-8fbc-9cc575a1eb31 -nonstatechangingeventportnamC:hostprocess-26dc9a0f-a3be-4e23-b56e-463ba0646e7e -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:3b13f79d-aa5d-4adc-866d-765ef5c0b4a3
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-e9870c35-b144-48b4-813b-cec0a4290f1d -systemeventportnamC:hostprocess-2665f99a-3b93-4fe4-84b7-21dfc16ff527 -iocanceleventportnamC:hostprocess-605e5a4a-3335-44c9-a2e3-612b99646903 -nonstatechangingeventportnamC:hostprocess-aa49bf17-94bf-44fd-b04d-b17af6a48f5e -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:3d31db64-26c8-4f6a-b13d-7b62608c22c3
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-a3d056d2-1e87-4b8b-a7c2-4c71cd005a83 -systemeventportnamC:hostprocess-b2e0545f-f0a6-4e9e-89c2-697b72a036f2 -iocanceleventportnamC:hostprocess-ba8a71fc-b9c3-418a-97a4-a866267b4507 -nonstatechangingeventportnamC:hostprocess-0bd28a02-fe85-4c54-8e19-252261375069 -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:c28c5d59-7999-42ed-9662-4a39f7e0b5dd
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-664f2d54-8b83-410e-822d-57547ccbee23 -systemeventportnamC:hostprocess-b4433564-7f77-44bc-852f-4659f95645f5 -iocanceleventportnamC:hostprocess-d309cc3f-58c3-48de-b853-f611133dfc7d -nonstatechangingeventportnamC:hostprocess-e813edc0-1b74-4b28-898b-53d9ffc24281 -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:fe377dc4-6712-4bac-adf1-8eefaa1547b2
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-9ae024fe-7638-4320-b676-19153be06530 -systemeventportnamC:hostprocess-ee6ae0c4-f062-4b92-802c-0678dc4861ec -iocanceleventportnamC:hostprocess-4f8f2d5b-a61f-4af7-b76c-fd9f0d9443c6 -nonstatechangingeventportnamC:hostprocess-d4ff4050-08a5-48a4-bc13-247a30a75c96 -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:39d7fa15-a366-4d39-9b64-6bca0e82bf78
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-4ff2f09c-874f-4559-9e0e-82108c05cdbe -systemeventportnamC:hostprocess-9df9dcaa-9d56-44c9-9870-704560d6de90 -iocanceleventportnamC:hostprocess-2432fe6f-79c5-44ad-bd35-7a902c6582d5 -nonstatechangingeventportnamC:hostprocess-c8ea2b8d-8115-44f5-8456-3f1a44759ada -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:5347d7c2-05ce-4db8-94b9-50d82f027709
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-336d411f-b845-49ad-8944-06de2a778c56 -systemeventportnamC:hostprocess-0d2a044c-48bf-41b1-a37f-9a4d1e5857dd -iocanceleventportnamC:hostprocess-baa3baaf-a627-4acb-b489-d0e3c1fcf712 -nonstatechangingeventportnamC:hostprocess-319c7c75-8d20-4c90-b565-af6046f7ceed -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:807f9cbe-49a4-4c2e-98f0-c2fd83f6497c
  • (41 more)
Owner:User
Parent process:svchost.exe (Host Process for Windows Services by Microsoft Corporation)

ResourcesThreads

Averages
 
WUDFHost.exe (main module)
Total CPU:0.00312671%
0.272967%
Kernel CPU:0.00219581%
0.107585%
User CPU:0.00093090%
0.165382%
CPU cycles:56,476/sec
5,741,424/sec
Memory:204 KB
1.16 MB
WpdFs.dll
Total CPU:0.00132713%
Kernel CPU:0.00072344%
User CPU:0.00060369%
CPU cycles:28,219/sec
Memory:228 KB
SensorsAlsDriver.dll
Total CPU:0.00005250%
Kernel CPU:0.00000142%
User CPU:0.00005108%
CPU cycles:1,257/sec
Memory:48 KB
ntdll.dll
Total CPU:0.00000654%
Kernel CPU:0.00000654%
User CPU:0.00000000%
CPU cycles:10/sec
Memory:1.23 MB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 28.00%
Windows 7 Ultimate 14.50%
Windows 8.1 11.50%
Windows 7 Professional 10.50%
Windows 8 Pro 7.50%
Windows 8.1 Pro 6.50%
Windows 8 4.50%
Windows 8.1 Single Language 3.50%
Windows 8 Single Language 3.00%
Windows 8.1 Pro with Media Center 2.50%
Windows 8 Enterprise 2.00%
Windows Vista Home Premium 2.00%
Windows Seven Black Edition 1.00%
Windows 8.1 Enterprise Evaluation 0.50%
Windows Vista Home Basic 0.50%
Windows 7 Starter 0.50%
Windows 8.1 Enterprise 0.50%
Windows 7 Enterprise 0.50%
Windows Se7en Titan 0.50%

Distribution by countryDistribution by country

United States installs about 41.12% of Windows Driver Foundation - User-mode Driver Framework Host Process.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Lenovo 19.31%
ASUS 16.99%
Hewlett-Packard 16.22%
Dell 16.22%
Acer 11.58%
Sony 6.18%
GIGABYTE 3.09%
Toshiba 2.32%
Intel 2.32%
Samsung 1.54%
Medion 1.54%
Gateway 0.77%
NEC 0.77%
Sahara 0.39%
Alienware 0.39%
American Megatrends 0.39%
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