Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

5.3.6000.16386 (vista_rtm.061101-2205) 3.45%
5.3.16421.00 (winblue_rtm.130821-1623) 6.90%
5.3.15125.00 (win8_rtm.120725-1247) 6.90%
5.3.15125.00 (win8_rtm.120725-1247) 24.14%
5.3.11513.00 (win7_rtm.090713-1255) 48.28%
5.3.11513.00 (win7_rtm.090713-1255) 10.34%

Relationships


PE structurePE file structure

Show functions
Import table
kernel32.dll
CloseHandle, Sleep, OpenEventW, WaitForSingleObject, OpenProcess, GetLastError, HeapSetInformation, VirtualQuery, GetSystemInfo, VirtualProtect, GetLocaleInfoA, GetStringTypeW, GetStringTypeA, LCMapStringW, MultiByteToWideChar, GetCommandLineA, GetVersionExA, GetStartupInfoA, SetUnhandledExceptionFilter, GetProcAddress, GetModuleHandleA, ExitProcess, WriteFile, GetStdHandle, GetModuleFileNameA, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, WideCharToMultiByte, GetEnvironmentStringsW, SetHandleCount, GetFileType, DeleteCriticalSection, GetModuleHandleW, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, InterlockedIncrement, SetLastError, InterlockedDecrement, GetCurrentThreadId, HeapDestroy, HeapCreate, VirtualFree, HeapFree, QueryPerformanceCounter, GetTickCount, GetCurrentProcessId, GetSystemTimeAsFileTime, OutputDebugStringA, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, HeapReAlloc, HeapAlloc, HeapSize, LeaveCriticalSection, EnterCriticalSection, LoadLibraryExA, InitializeCriticalSection, GetCPInfo, GetACP, GetOEMCP, VirtualAlloc, RtlUnwind, LCMapStringA
ole32.dll
CoUninitialize, CoInitializeEx, CoCreateInstance
user32.dll
SendMessageTimeoutW, GetWindowThreadProcessId, FindWindowW, RegisterClassW, CreateWindowExW, SetWindowTextW, PeekMessageW, MsgWaitForMultipleObjects, DispatchMessageW, SystemParametersInfoW, RegisterWindowMessageW, PostMessageW, DefWindowProcW

sapisvr.exe

Speech Recognition by Microsoft

Remove sapisvr.exe
Version:   5.3.16421.00 (winblue_rtm.130821-1623)
MD5:   70fbdc48a5a9bae432de27fc520a34e1
SHA1:   c8c4c8c9ebb219ecd36e263b47a07dd574c8c975
This is a Windows system installed file with Windows File Protection (WFP) enabled.

About sapisvr.exe (from Microsoft)

Windows Speech Recognition in Windows empowers users to interact with their computers by voice. It was designed for people who want to significantly limit their use of the mouse and keyboard while mai

Overview

sapisvr.exe executes as a process with the local user's privileges. It is set to be run when the PC boots and the user logs into Windows (added to the Run registry key for the current user). The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). .

DetailsDetails

File name:sapisvr.exe
Publisher:Microsoft Corporation
Product name:Speech Recognition
Description:Microsoft® Windows® Operating System
Typical file path:C:\windows\speech\common\sapisvr.exe
Original name:sapisvr.exe.mui
File version:5.3.16421.00 (winblue_rtm.130821-1623)
Product version:5.3.16421.00
Size:43.5 KB (44,544 bytes)
Build date:8/22/2013 12:21 PM
Digital DNA
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

BehaviorsBehaviors

Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'Speech Recognition' → "C:\Windows\Speech\Common\sapisvr.exe" -SpeechUX -Startup

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 50.00%
Windows 7 Ultimate 22.73%
Windows 8 Pro 9.09%
Windows 8.1 Pro with Media Center 4.55%
Windows 8.1 4.55%
Windows Vista Business 4.55%
Windows 7 Enterprise 4.55%

Distribution by countryDistribution by country

United States installs about 72.73% of Speech Recognition.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Lenovo 23.53%
Dell 23.53%
Intel 23.53%
Hewlett-Packard 11.76%
Toshiba 11.76%
Acer 5.88%
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