Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.1.7601.21939 (win7sp1_ldr.120308-2340) 0.08%
6.1.7601.21939 (win7sp1_ldr.120308-2340) 0.16%
6.1.7600.16385 (win7_rtm.090713-1255) 50.27%
6.1.7600.16385 (win7_rtm.090713-1255) 37.14%
6.1.7600.16385 (win7_rtm.090713-1255) 0.23%
6.1.7600.16384 (win7_rtm.090710-1945) 0.08%
6.0.6002.18005 (lh_sp2rtm.090410-1830) 1.56%
6.0.6002.18005 (lh_sp2rtm.090410-1830) 9.15%
6.0.6001.18000 (longhorn_rtm.080118-1840) 0.70%
6.0.6000.20574 (vista_ldr.070407-1200) 0.08%
6.0.6000.16386 (vista_rtm.061101-2205) 0.55%

Relationships

PE structurePE file structure
Show functions
Import table
advapi32.dll
RegisterServiceCtrlHandlerExW, SetServiceStatus, ConvertStringSecurityDescriptorToSecurityDescriptorW, CreateProcessAsUserW, RegOpenKeyExW, RegQueryValueExW, RegCloseKey
api-ms-win-service-core-l1-1-0.dll
RegisterServiceCtrlHandlerExW, SetServiceStatus
kernel32.dll
CreateThread, GetSystemTimeAsFileTime, GetTickCount, QueryPerformanceCounter, InterlockedExchange, SetEvent, CreateEventW, SetUnhandledExceptionFilter, UnhandledExceptionFilter, DebugBreak, IsWow64Process, Sleep, GetSystemDirectoryW, GetCurrentThread, TerminateThread, DisableThreadLibraryCalls, InterlockedIncrement, InterlockedDecrement, SetLastError, GetLastError, UnregisterWait, LocalFree, ProcessIdToSessionId, GetCurrentProcessId, InitializeCriticalSection, DeleteCriticalSection, OpenProcess, CloseHandle, GetModuleHandleExW, CreateThreadpoolWait, SetThreadpoolWait, FreeLibrary, TerminateProcess, ResumeThread, GetExitCodeProcess, GetProcessTimes, FreeLibraryWhenCallbackReturns, CloseThreadpoolWait, WaitForSingleObject, DuplicateHandle, GetCurrentProcess, EnterCriticalSection, LeaveCriticalSection, GetProcessHeap, DelayLoadFailureHook, GetProcAddress, InterlockedCompareExchange, LoadLibraryExA, GetModuleHandleW, GetCurrentThreadId, ExitProcess, IsDebuggerPresent, HeapFree, HeapAlloc, HeapReAlloc, RegisterWaitForSingleObject, UnregisterWaitEx
msvcrt.dll
DllMain
ntdll.dll
NtAcceptConnectPort, NtCompleteConnectPort, NtReplyWaitReceivePort, NtRequestPort, NtConnectPort, NtRequestWaitReplyPort, DbgPrintEx, DbgPrompt, NtQuerySystemInformation, RtlCaptureStackBackTrace, RtlInsertElementGenericTable, RtlLookupElementGenericTable, RtlInitializeGenericTable, NtQueryInformationProcess, NtReplyPort, NtCreatePort, RtlInitUnicodeString, RtlDeleteElementGenericTable, RtlEnumerateGenericTableWithoutSplaying, DbgBreakPoint
userenv.dll
DestroyEnvironmentBlock, CreateEnvironmentBlock
wtsapi32.dll
WTSEnumerateSessionsW, WTSFreeMemory, WTSQueryUserToken
Export table
ServiceMain
SvchostPushServiceGlobals

UxSms.dll

Microsoft User Experience Session Management Service by Microsoft

Remove UxSms.dll
Version:   6.1.7600.16384 (win7_rtm.090710-1945)
MD5:   9b47dd558e8dacda2c502a1a9ab6cc67
SHA1:   45eeab5e556499f0ebd06aa5e29efa16768319df
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

uxsms.dll is loaded as dynamic link library that runs in the context of a process. The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). This version is designed to run on Windows 7.

DetailsDetails

File name:uxsms.dll
Publisher:Microsoft Corporation
Product name:Microsoft User Experience Session Management Service
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\uxsms.dll
File version:6.1.7600.16384 (win7_rtm.090710-1945)
Product version:6.1.7600.16384
Size:29 KB (29,696 bytes)
Build date:7/11/2009 12:58 AM
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

BehaviorsBehaviors

Hosted services
Runs as a shared service under the Windows svcHost
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'
  • Shared name is 'UxSms'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 53.50%
Windows 7 Ultimate 26.50%
Windows 7 Professional 10.00%
Windows Vista Home Premium 4.00%
Windows 7 Home Basic 2.50%
Windows 7 Starter 1.50%
Windows Seven Black Edition 0.50%
Windows Vista Home Basic 0.50%
Windows 7 Enterprise 0.50%
Windows Se7en Titan 0.50%

Distribution by countryDistribution by country

United States installs about 43.72% of Microsoft User Experience Session Management Service.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 26.47%
ASUS 16.91%
Hewlett-Packard 15.44%
Acer 12.87%
Toshiba 11.76%
Lenovo 3.68%
Sony 2.94%
Samsung 2.21%
GIGABYTE 2.21%
Intel 2.21%
Alienware 1.10%
Gateway 0.74%
MSI 0.74%
NEC 0.74%
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