Should I block it?

No, this file is 100% safe to run.

Additional 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 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:	5.3.15125.00 (win8_rtm.120725-1247)
MD5:	e099b6740bbaa12437969467cb09a4bd
SHA1:	aa15a78b352660da8b163940f5771d7463a33e09
SHA256:	40edc920c1f7ce7e1a438eb1ffcc2f26a9a7f6c5cf8d5dbd22775bbe9c7c2be7

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). This version is installed on Windows 8 and is compiled as a 64 bit program.

Details

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:	5.3.15125.00 (win8_rtm.120725-1247)
Product version:	5.3.15125.00
Size:	44 KB (45,056 bytes)
Digital DNA
File packed:	No
Code language:	Microsoft Visual C# / Basic .NET
.NET CLR:	Yes
.NET NGENed:	No

More details

Behaviors

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

Resource utilization

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

Averages

CPU
Total CPU:	0.00105636%	0.028634%
Kernel CPU:	0.00041675%	0.013761%
User CPU:	0.00063961%	0.014873%
Kernel CPU time:	27,151,408 ms/min	100,923,805ms/min
CPU cycles:	1,001,009/sec	17,470,203/sec
Context switches:	47/sec	284/sec
Memory
Private memory:	29.54 MB	21.59 MB
Private (maximum):	76.76 MB
Private (minimum):	72.67 MB
Non-paged memory:	29.54 MB	21.59 MB
Virtual memory:	342.43 MB	140.96 MB
Virtual memory (peak):	352.66 MB	169.69 MB
Working set:	76.75 MB	18.61 MB
Working set (peak):	77.04 MB	37.95 MB
Page faults:	31,917/min	2,039/min
I/O
I/O read transfer:	935.93 KB/sec	1.02 MB/min
I/O read operations:	364/sec	343/min
I/O write transfer:	861.8 KB/sec	274.99 KB/min
I/O write operations:	181/sec	227/min
I/O other transfer:	124 Bytes/sec	448.09 KB/min
I/O other operations:	2/sec	1,671/min
Resource allocations
Threads:	35	12
Handles:	6730	600
GUI GDI count:	76	103
GUI GDI peak:	86	142
GUI USER count:	102	49
GUI USER peak:	109	71

Process properties

Integrety level:	High
Platform:	64-bit
Command line:	"C:\windows\speech\common\sapisvr.exe" -speechux -startup
Owner:	User
Parent process:	explorer.exe (Windows Explorer by Microsoft Corporation)

Threads

Averages

msvcrt.dll (Windows NT CRT DLL by Microsoft)
Total CPU:	0.00604934%	0.272967%
Kernel CPU:	0.00476985%	0.107585%
User CPU:	0.00127949%	0.165382%
CPU cycles:	139,210/sec	5,741,424/sec
Context switches:	7/sec	79/sec
Memory:	660 KB	1.16 MB
SpeechUX.DLL
Total CPU:	0.00160872%
Kernel CPU:	0.00066795%
User CPU:	0.00094077%
CPU cycles:	47,013/sec
Context switches:	1/sec
Memory:	1.38 MB
sapi.dll
Total CPU:	0.00150122%
Kernel CPU:	0.00054711%
User CPU:	0.00095411%
CPU cycles:	40,625/sec
Context switches:	1/sec
Memory:	1.44 MB
WINMM.dll
Total CPU:	0.00001882%
Kernel CPU:	0.00001882%
User CPU:	0.00000000%
CPU cycles:	298/sec
Memory:	128 KB

Common loaded modules

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

ieframe.dll (by Microsoft)

Distribution by Windows OS

OS version	distribution
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 country

United States installs about 72.73% of Speech Recognition.

Distribution by PC manufacturer

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

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