Should I block it?

No, this file is 100% safe to run.

Additional 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

wudfsvc.dll (Windows Driver Foundation - User-mode Driver Framework Service by Microsoft)

PE file structure

Show functions

Import table

advapi32.dll

GetTraceEnableFlags, GetTraceEnableLevel, GetTraceLoggerHandle, RegisterTraceGuidsW, TraceMessage, UnregisterTraceGuids, RegQueryValueExW, RegCloseKey, RegOpenKeyExW, TraceEvent, ConvertStringSidToSidW, RegSetValueExW, RevertToSelf, EventRegister, EventWrite, EventUnregister, EventActivityIdControl

api-ms-win-core-com-l1-1-1.dll

CLSIDFromString, CoInitializeEx, CoUninitialize

api-ms-win-core-errorhandling-l1-1-1.dll

SetLastError, GetLastError, RaiseException, SetUnhandledExceptionFilter, UnhandledExceptionFilter

api-ms-win-core-file-l1-2-1.dll

CreateFileW, WriteFile, FlushFileBuffers, ReadFile

api-ms-win-core-handle-l1-1-0.dll

CloseHandle

api-ms-win-core-heap-l1-2-0.dll

HeapAlloc, GetProcessHeap, HeapFree, HeapSetInformation

api-ms-win-core-heap-obsolete-l1-1-0.dll

LocalAlloc, LocalFree

api-ms-win-core-io-l1-1-1.dll

GetOverlappedResult, DeviceIoControl

api-ms-win-core-libraryloader-l1-1-1.dll

LoadLibraryExW, GetModuleHandleA, GetProcAddress, LoadLibraryExA, FreeLibrary

api-ms-win-core-namedpipe-l1-2-0.dll

WaitNamedPipeW, SetNamedPipeHandleState, TransactNamedPipe

api-ms-win-core-processenvironment-l1-2-0.dll

SetEnvironmentVariableW, ExpandEnvironmentStringsW

api-ms-win-core-processthreads-l1-1-2.dll

GetCurrentThread, TlsFree, GetCurrentProcess, TlsSetValue, GetCurrentProcessId, TlsAlloc, TlsGetValue, GetCurrentThreadId, TerminateProcess, CreateThread

api-ms-win-core-profile-l1-1-0.dll

QueryPerformanceCounter

api-ms-win-core-registry-l1-1-0.dll

RegCloseKey, RegQueryValueExW, RegSetValueExW, RegOpenKeyExW

api-ms-win-core-rtlsupport-l1-2-0.dll

RtlCaptureContext

api-ms-win-core-synch-l1-2-0.dll

DeleteCriticalSection, InitializeCriticalSection, Sleep, WaitForSingleObject, CreateEventW, EnterCriticalSection, SetEvent, WaitForMultipleObjectsEx, InitializeCriticalSectionAndSpinCount, LeaveCriticalSection

api-ms-win-core-sysinfo-l1-2-1.dll

GetTickCount, GetSystemTimeAsFileTime, GetSystemDirectoryW, GetOsSafeBootMode

api-ms-win-core-threadpool-l1-2-0.dll

SetThreadpoolThreadMinimum, SetThreadpoolThreadMaximum, CloseThreadpool, CreateThreadpool, CreateThreadpoolWait, SetThreadpoolWait, WaitForThreadpoolWaitCallbacks, CloseThreadpoolWait, CloseThreadpoolCleanupGroupMembers, CloseThreadpoolCleanupGroup, CreateThreadpoolCleanupGroup

api-ms-win-eventing-classicprovider-l1-1-0.dll

TraceMessage, RegisterTraceGuidsW, GetTraceEnableFlags, GetTraceEnableLevel, UnregisterTraceGuids, GetTraceLoggerHandle

api-ms-win-eventing-provider-l1-1-0.dll

EventActivityIdControl, EventUnregister, EventWrite, EventRegister

api-ms-win-security-base-l1-2-0.dll

RevertToSelf

api-ms-win-security-sddl-l1-1-0.dll

ConvertStringSidToSidW

devobj.dll

DevObjGetDeviceRegistryProperty, DevObjCreateDeviceInfoList, DevObjOpenDevRegKey, DevObjGetDeviceInstanceId, DevObjDestroyDeviceInfoList, DevObjEnumDeviceInfo, DevObjGetClassDevs

kernel32.dll

GetProcAddress, GetModuleHandleW, GetVersionExW, WaitForSingleObject, CloseHandle, TlsFree, GetLastError, TlsGetValue, EnterCriticalSection, LeaveCriticalSection, DeleteCriticalSection, TlsSetValue, TlsAlloc, InitializeCriticalSectionAndSpinCount, GetSystemDirectoryW, HeapSetInformation, InterlockedIncrement, InterlockedDecrement, InterlockedCompareExchange, CreateThread, LocalFree, CreateEventW, SetEvent, GetOverlappedResult, DeviceIoControl, CreateFileW, SetEnvironmentVariableW, InitializeCriticalSection, InterlockedExchange, BindIoCompletionCallback, FreeLibrary, LoadLibraryExW, GetCurrentProcessId, HeapFree, HeapAlloc, GetProcessHeap, FlushFileBuffers, Sleep, ReadFile, WriteFile, GetCurrentThread, VerifyVersionInfoW, VerSetConditionMask, LocalAlloc, LoadLibraryA, RaiseException, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, GetSystemTimeAsFileTime, GetCurrentThreadId, GetTickCount, QueryPerformanceCounter, GetModuleHandleA, SetUnhandledExceptionFilter, OutputDebugStringA, RtlCaptureContext, WaitNamedPipeW, SetNamedPipeHandleState, TransactNamedPipe, ExpandEnvironmentStringsW, SetThreadpoolThreadMinimum, SetThreadpoolThreadMaximum, CloseThreadpool, CreateThreadpool, CreateThreadpoolWait, SetThreadpoolWait, WaitForThreadpoolWaitCallbacks, CloseThreadpoolWait, WaitForMultipleObjects, LoadLibraryExA

msvcrt.dll

DllMain

ntdll.dll

DbgPrintEx, RtlNtStatusToDosError, NtQueryInformationFile, RtlUnwind, NtSetInformationFile, RtlInitUnicodeString, RtlSetIoCompletionCallback, VerSetConditionMask, RtlVerifyVersionInfo

ole32.dll

CoInitializeEx, CLSIDFromString, CoUninitialize

rpcrt4.dll

UuidFromStringW

user32.dll

GetSystemMetrics

wudfplatform.dll

GetAndInitializePlatformObject, ShutdownPlatformLibrary, WudfWaitForDebugger, WudfDebugBreakPoint, WudfIsUserDebuggerPresent, WdfGetLpcInterface, InitializePlatformLibrary, WudfIsKernelDebuggerPresent

WUDFHost.exe

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

Remove WUDFHost.exe

Version:	6.0.5716.32 (winmain(wmbla).060928-1756)
MD5:	2ed5a170cf9e2ed6920dc1745d0d8029
SHA1:	94676b456fe25ee54b2f761241b1d55e9deb00dd
SHA256:	2705c092bc2cafcb9b42dfd2b9c92efb381c80002b9b255757dcba1e7ffc09f8

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 under the SYSTEM account with extensive privileges (the system and the administrator accounts have the same file privileges). and is compiled as a 32 bit program.

Details

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:	6.0.5716.32 (winmain(wmbla).060928-1756)
Product version:	6.0.5716.32
Size:	143 KB (146,432 bytes)
Digital DNA
Entropy:	5.856292
File packed:	No
Code language:	Microsoft Visual C++
.NET CLR:	No

More details

Resource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)

Averages

CPU
Total CPU:	0.00308505%	0.028634%
Kernel CPU:	0.00207905%	0.013761%
User CPU:	0.00100599%	0.014873%
Kernel CPU time:	47 ms/min	100,923,805ms/min
Context switches:	1/sec	284/sec
Memory
Private memory:	2.31 MB	21.59 MB
Private (maximum):	4.05 MB
Private (minimum):	4.04 MB
Non-paged memory:	2.31 MB	21.59 MB
Virtual memory:	21.38 MB	140.96 MB
Virtual memory (peak):	22.63 MB	169.69 MB
Working set:	4.04 MB	18.61 MB
Working set (peak):	4.05 MB	37.95 MB
Resource allocations
Threads:	8	12
Handles:	189	600
GUI GDI count:	4	103

Process properties

Integrety level:	Undefined
Platform:	32-bit
Command line:	"C:\faiyas\system32\wudfhost.exe" -hostguiC:{193a1820-d9ac-4997-8c55-be817523f6aa} -ioeventportnamC:hostprocess-5ce716cb-2563-44d9-b945-f7d6b51c6e2c -systemeventportnamC:hostprocess-019f6288-7fc5-498f-9063-8a4327c74cd5 -iocanceleventportnamC:hostprocess-1399d12a-a876-452f-b725-72a129fe25f7 -servicesiC:s-1-5-18 -lifetimeiC:4641f278-8a16-4b02-a585-e04ec7c81fac
Owner:	SYSTEM
Parent process:	svchost.exe (Generic Host Process for Win32 Services by Microsoft)

Distribution by Windows OS

OS version	distribution
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 country

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

Distribution by PC manufacturer

PC Manufacturer	distribution
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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