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
Related files

WUDFHost.exe

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

Remove WUDFHost.exe
Version:   6.2.9200.16384 (win8_rtm.120725-1247)
MD5:   980b6a5f92b8db235c4a26728c2be732
SHA1:   edaec8223b5250073692e3a9e34e91c9be4b8c26
SHA256:   e4a48443cee5b214dc057115c73402f7d31547cf39b1533a282b18bd92fcfefa
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 LOCAL SERVICE privileges typically within the context of its parent svchost.exe (Host Process for Windows Services by Microsoft Corporation). This version is installed on Windows 8 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:6.2.9200.16384 (win8_rtm.120725-1247)
Product version:6.2.9200.16384
Size:192 KB (196,608 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:0.00196617%
0.028634%
Kernel CPU:0.00133862%
0.013761%
User CPU:0.00062756%
0.014873%
Kernel CPU time:2,434,947 ms/min
100,923,805ms/min
CPU cycles:145,564/sec
17,470,203/sec
Context switches:3/sec
284/sec
Memory
Private memory:2.18 MB
21.59 MB
Private (maximum):5 MB
Private (minimum):3 MB
Non-paged memory:2.18 MB
21.59 MB
Virtual memory:39.14 MB
140.96 MB
Virtual memory (peak):41.65 MB
169.69 MB
Working set:3.42 MB
18.61 MB
Working set (peak):5.78 MB
37.95 MB
Page faults:12,963/min
2,039/min
I/O
I/O read transfer:3.93 KB/sec
1.02 MB/min
I/O read operations:2/sec
343/min
I/O write transfer:6.81 KB/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:8.82 KB/sec
448.09 KB/min
I/O other operations:20/sec
1,671/min
Resource allocations
Threads:8
12
Handles:282
600

BehaviorsProcess properties

Integrety level:System
Platform:32-bit
Command lines:
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-50a230a1-869c-468c-84c1-d18ede789258 -systemeventportnamC:hostprocess-54b8c625-fe5a-4516-854c-8fe4a820b380 -iocanceleventportnamC:hostprocess-25fb19f8-4961-4703-a9e1-0fc1a8d0d0c0 -nonstatechangingeventportnamC:hostprocess-c5834266-6189-43c8-af62-e5da2deb5256 -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:b45b5641-f71b-4657-a0f5-052d8175e688 -devi
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-045461f8-deb2-475e-a23f-ccb76d9f34d9 -systemeventportnamC:hostprocess-9aa8e63d-cec2-4464-ba1a-7945a980c20c -iocanceleventportnamC:hostprocess-9bc173ba-df3e-43cd-9b17-66f1a548081b -nonstatechangingeventportnamC:hostprocess-056c3738-8f68-4829-b639-b38da1a343b1 -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:b52e5390-afd7-42bd-885d-4bad9757d708 -devi
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-da9d3cf9-096a-48ed-a26e-c5ee3baf68ce -systemeventportnamC:hostprocess-fcff8f8f-5d28-496b-ae6b-4397e9478e1a -iocanceleventportnamC:hostprocess-cd180e65-203d-4f1f-a78a-4c4e22efb64f -nonstatechangingeventportnamC:hostprocess-a5327c50-a30c-4775-9b95-13e3418df641 -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:a9f2269f-304a-4623-a5cb-7552c2f8295c -devi
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-ff10b964-b577-41ad-9d3b-63930f0dc5ce -systemeventportnamC:hostprocess-4fb7b023-e4b6-4e07-a6aa-3f01998a2764 -iocanceleventportnamC:hostprocess-c66a8db4-9b9c-4730-b22d-2551c1a5bd30 -nonstatechangingeventportnamC:hostprocess-75066a4d-b865-47af-b408-fab9edc2b536 -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:247b31fc-469e-4c49-afd2-bc423550c986 -devi
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-02340163-d983-4861-ac24-c35e57056460 -systemeventportnamC:hostprocess-ab4d784a-f0fc-4702-b020-9e913f4c0e45 -iocanceleventportnamC:hostprocess-1bed9ebd-4eac-43b9-974a-0933500443a7 -nonstatechangingeventportnamC:hostprocess-a0a0ac65-e11b-4af3-876d-1e219e80d517 -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:6e7a7819-f985-426f-b617-e4b96b39a43b -devi
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-b82f5eb8-ebbd-4622-a562-5953b3ef5140 -systemeventportnamC:hostprocess-450a46a4-f3c9-4810-b80c-1fc859ce0112 -iocanceleventportnamC:hostprocess-5791edef-5869-4dee-8308-fc7de7e5abd8 -nonstatechangingeventportnamC:hostprocess-187930d3-69c5-401b-9dfd-a357db033aac -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:5211bbb3-9c04-42ba-b8ba-dbbcb6d12745 -devi
  • "C:\Windows\System32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-077a7153-d145-42eb-92af-e8804c600143 -systemeventportnamC:hostprocess-5c6e0e04-d7d7-49bf-af8b-8fbba19ea10d -iocanceleventportnamC:hostprocess-ea570723-bf70-47a8-bc88-6e844bc47eea -nonstatechangingeventportnamC:hostprocess-b318cefc-6f14-4841-bdf2-9eafad25e39d -servicesiC:s-1-5-80-2652678385-582572993-1835434367-1344795993-749280709 -lifetimeiC:89e14c4c-96d2-4d9c-9ad1-6f53409e463d -devi
  • (171 more)
Owner:LOCAL SERVICE
Parent process:svchost.exe (Host Process for Windows Services by Microsoft Corporation)

ResourcesThreads

Averages
 
ntdll.dll
Total CPU:0.03418002%
0.272967%
Kernel CPU:0.01303386%
0.107585%
User CPU:0.02114616%
0.165382%
CPU cycles:836,972/sec
5,741,424/sec
Context switches:2/sec
79/sec
Memory:1.41 MB
1.16 MB
WpdFs.dll
Total CPU:0.00182067%
Kernel CPU:0.00130184%
User CPU:0.00051883%
CPU cycles:35,237/sec
Context switches:1/sec
Memory:228 KB
SensorsAlsDriver.dll
Total CPU:0.00150023%
Kernel CPU:0.00150023%
User CPU:0.00000000%
CPU cycles:44,908/sec
Memory:48 KB
WUDFHost.exe (main module)
Total CPU:0.00101403%
Kernel CPU:0.00069708%
User CPU:0.00031695%
CPU cycles:18,996/sec
Memory:204 KB
SensorsClassExtension.dll
Total CPU:0.00020726%
Kernel CPU:0.00011784%
User CPU:0.00008942%
CPU cycles:4,219/sec
Memory:108 KB

Common loaded modules

These are modules that are typiclaly loaded within the context of this process.

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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