Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

7.00.9600.17031 (winblue_gdr.140221-1952) 2.22%
7.00.9600.16384 (winblue_rtm.130821-1623) 2.89%
7.00.9431.0 (winmain_bluemp.130615-1214) 0.22%
7.00.9200.16579 (win8_gdr.130408-1425) 4.89%
7.00.9200.16578 (win8_gdr.130405-1703) 0.67%
7.00.9200.16433 (win8_gdr.121010-1704) 6.22%
7.00.9200.16433 (win8_gdr.121010-1704) 1.56%
7.00.9200.16420 (win8_gdr.120919-1813) 0.67%
7.00.9200.16420 (win8_gdr.120919-1813) 0.22%
7.00.9200.16384 (win8_rtm.120725-1247) 0.67%
7.00.9200.16384 (win8_rtm.120725-1247) 0.44%
7.00.8250.0 (winmain_win8beta.120217-1520) 0.22%
7.00.7601.17610 (win7sp1_gdr.110503-1502) 32.44%
7.00.7601.17610 (win7sp1_gdr.110503-1502) 12.00%
7.00.7600.16808 (win7_gdr.110503-1506) 2.44%
7.00.7600.16808 (win7_gdr.110503-1506) 2.00%
7.00.7600.16401 (win7_gdr.090727-1504) 0.22%
7.00.7600.16385 (win7_rtm.090713-1255) 16.22%
7.00.7600.16385 (win7_rtm.090713-1255) 5.56%
7.00.6002.18005 (lh_sp2rtm.090410-1830) 5.56%
7.00.6002.18005 (lh_sp2rtm.090410-1830) 1.11%
7.0.6001.16503 (longhorn(wmbla).080526-2159) 0.89%
6.0.6000.16386 (vista_rtm.061101-2205) 0.67%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
CopySid, GetLengthSid, IsValidSid, SetSecurityDescriptorOwner, SetSecurityDescriptorGroup, GetTokenInformation, AddAce, GetAce, GetAclInformation, AddAccessAllowedAce, InitializeAcl, GetTraceEnableFlags, GetTraceEnableLevel, GetTraceLoggerHandle, RegisterTraceGuidsW, UnregisterTraceGuids, TraceEvent, AdjustTokenPrivileges, LookupPrivilegeValueW, InitializeSecurityDescriptor, SetSecurityDescriptorDacl, OpenProcessToken, OpenThreadToken, LookupAccountNameW, ImpersonateLoggedOnUser, RevertToSelf, RegCloseKey, MakeSelfRelativeSD, ConvertStringSecurityDescriptorToSecurityDescriptorW, GetSecurityDescriptorLength, RegDeleteKeyW, RegDeleteValueW, RegCreateKeyExW, RegOpenKeyExW, RegSetValueExW, RegQueryInfoKeyW, RegEnumKeyExW, GetSidSubAuthority, RegEnumValueW, RegQueryValueExW, SetSecurityDescriptorSacl, MakeAbsoluteSD, InitializeSid, GetSidLengthRequired, DeleteAce, EqualPrefixSid, LookupAccountSidW, CreateWellKnownSid, DeregisterEventSource, RegisterEventSourceW, ReportEventW, ConvertStringSecurityDescriptorToSecurityDescriptorA
kernel32.dll
FindResourceW, LoadLibraryExW, GetModuleFileNameW, ResetEvent, SetThreadPriority, CreateThread, LocalFree, GetHandleInformation, OpenEventW, GetCurrentProcessId, SetErrorMode, HeapSetInformation, lstrlenA, GetComputerNameW, SearchPathW, GetUserDefaultUILanguage, GetSystemDefaultUILanguage, GetLocaleInfoW, FindResourceExW, WaitForSingleObjectEx, ReleaseMutex, LoadLibraryW, OutputDebugStringW, CopyFileA, DeleteFileA, FlushViewOfFile, GetLocalTime, CreateFileA, FormatMessageA, FileTimeToSystemTime, SystemTimeToTzSpecificLocalTime, GetTimeFormatW, LCMapStringW, LoadResource, CompareFileTime, RemoveDirectoryW, FindFirstFileW, FindNextFileW, FindClose, SetPriorityClass, GetPriorityClass, IsValidCodePage, OpenFileMappingW, OpenSemaphoreW, CreateFileMappingW, ReleaseSemaphore, ExpandEnvironmentStringsW, SetEnvironmentVariableW, CreateFileW, DuplicateHandle, GetFileSize, GetFileTime, UnlockFile, LockFile, FlushFileBuffers, SetEndOfFile, SetFilePointer, WriteFile, ReadFile, DeleteFileW, FormatMessageW, VerifyVersionInfoW, UnhandledExceptionFilter, TerminateProcess, GetSystemTimeAsFileTime, QueryPerformanceCounter, GetModuleHandleA, SetUnhandledExceptionFilter, OutputDebugStringA, InterlockedCompareExchange, Sleep, GetEnvironmentVariableW, InterlockedExchange, GetVersionExA, SizeofResource, MultiByteToWideChar, GetTickCount, GlobalAlloc, GlobalFree, MapViewOfFile, UnmapViewOfFile, GlobalLock, GlobalUnlock, LoadLibraryA, GetCurrentThread, RaiseException, InitializeCriticalSection, DeleteCriticalSection, GetLastError, lstrcmpiW, CompareStringW, GetSystemDefaultLCID, lstrlenW, WideCharToMultiByte, EnterCriticalSection, LeaveCriticalSection, CloseHandle, FreeLibrary, GetProcAddress, CreateEventW, SetEvent, WaitForSingleObject, GetCurrentThreadId, GetModuleHandleW, GetVersionExW, InterlockedDecrement, InterlockedIncrement, SetLastError, GetCurrentProcess, GetProcessTimes, lstrcmpW
msshooks.dll
LoadMSSearchHooks
msvcrt.dll
DllMain
ntdll.dll
VerSetConditionMask, RtlUnwind
ole32.dll
CoInitializeEx, CoUninitialize, PropVariantClear, CoTaskMemFree, CoUnmarshalInterface, CreateStreamOnHGlobal, CoTaskMemAlloc, CreateBindCtx, CoTaskMemRealloc, CoCreateInstance, CoDisconnectObject, CoInitializeSecurity, StringFromCLSID, CLSIDFromProgID, PropVariantCopy, CLSIDFromString
propsys.dll
PSGetPropertyDescription, PSGetItemPropertyHandlerWithCreateObject
shell32.dll
SHCreateShellItem, SHParseDisplayName
shlwapi.dll
SHRegGetValueW
user32.dll
CharNextW, GetLastInputInfo, UnregisterClassA, MsgWaitForMultipleObjects, DispatchMessageW, PeekMessageW, LoadStringW

SearchProtocolHost.exe

Microsoft Windows Search Protocol Host by Microsoft

Remove SearchProtocolHost.exe
Version:   7.00.9200.16578 (win8_gdr.130405-1703)
MD5:   4dd38c9f28b9a0d8b1635580e8df7d86
SHA1:   44170592002c2f947ebf007dae8250d02dc6326d
SHA256:   8cc9591784e0d6adac1442b4361905fbdb54d54ed5c60168655af8c88eada953
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is SearchProtocolHost.exe?

Windows Search for the desktop and the enterprise delivers fast search capabilities for files, e-mail, documents, and more, provides performance enhancements and support for enterprise-critical features, and is easy to manage and extend with customized functionality.

About SearchProtocolHost.exe (from Microsoft)

Windows Search provides an easy and comprehensive solution for finding and organizing the content you care about, whether it's on your PC, in an e-mail message or attachment, on a remote file share,

DetailsDetails

File name:SearchProtocolHost.exe
Publisher:Microsoft Corporation
Product name:Microsoft Windows Search Protocol Host
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\searchprotocolhost.exe
File version:7.00.9200.16578 (win8_gdr.130405-1703)
Product version:7.00.9200.16578
Size:295.5 KB (302,592 bytes)
Build date:4/5/2013 11:35 PM
Digital DNA
PE subsystem:Windows Console
Entropy:5.610878
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:0.01254565%
0.028634%
Kernel CPU:0.00191571%
0.013761%
User CPU:0.01062994%
0.014873%
Kernel CPU time:53,391 ms/min
100,923,805ms/min
CPU cycles:32,485,539/sec
17,470,203/sec
Context switches:33/sec
284/sec
Memory
Private memory:3.59 MB
21.59 MB
Private (maximum):5.68 MB
Private (minimum):4.36 MB
Non-paged memory:3.59 MB
21.59 MB
Virtual memory:127.26 MB
140.96 MB
Virtual memory (peak):127.35 MB
169.69 MB
Working set:4.18 MB
18.61 MB
Working set (peak):7.49 MB
37.95 MB
Page faults:849,826/min
2,039/min
I/O
I/O read transfer:469.11 KB/sec
1.02 MB/min
I/O read operations:241/sec
343/min
I/O write transfer:872 Bytes/sec
274.99 KB/min
I/O write operations:2/sec
227/min
I/O other transfer:2.95 KB/sec
448.09 KB/min
I/O other operations:670/sec
1,671/min
Resource allocations
Threads:9
12
Handles:448
600
GUI GDI count:26
103
GUI GDI peak:27
142
GUI USER count:16
49
GUI USER peak:16
71

BehaviorsProcess properties

Integrety level:Medium
Platform:32-bit
Command lines:
  • "C:\Windows\System32\searchprotocolhost.exe" global\usgthrfltpipemssgthrpipe_s-1-5-21-963779962-622860219-3660729764-100095_ global\usgthrctrlfltpipemssgthrpipe_s-1-5-21-963779962-622860219-3660729764-100095 1 -2147483646 "software\microsoft\windows search" "mozilla/4.0 (compatible; msie 6.0; windows nt; ms search 4.0 robot)" "C:\ProgramData\microsoft\search\data\temp\usgthrsvc" "downleveldaemon" "1"
  • "C:\Windows\System32\searchprotocolhost.exe" global\usgthrfltpipemssgthrpipe57_ global\usgthrctrlfltpipemssgthrpipe57 1 -2147483646 "software\microsoft\windows search" "mozilla/4.0 (compatible; msie 6.0; windows nt; ms search 4.0 robot)" "C:\ProgramData\microsoft\search\data\temp\usgthrsvc" "downleveldaemon"
  • "C:\windows\syswow64\searchprotocolhost.exe" global\usgthrfltpipemssgthrpipe_s-1-5-21-399620807-1972405681-2380590210-11869_ global\usgthrctrlfltpipemssgthrpipe_s-1-5-21-399620807-1972405681-2380590210-11869 1 -2147483646 "software\microsoft\windows search" "mozilla/4.0 (compatible; msie 6.0; windows nt; ms search 4.0 robot)" "C:\ProgramData\microsoft\search\data\temp\usgthrsvc" "downleveldaemon" "1"
Owner:User
Parent process:SearchIndexer.exe (by Microsoft)

ResourcesThreads

Averages
 
SearchProtocolHost.exe (main module)
Total CPU:0.16805957%
0.272967%
Kernel CPU:0.07680688%
0.107585%
User CPU:0.09125269%
0.165382%
CPU cycles:3,790,587/sec
5,741,424/sec
Context switches:12/sec
79/sec
Memory:304 KB
1.16 MB
wow64win.dll
Total CPU:0.01533848%
Kernel CPU:0.00511283%
User CPU:0.01022565%
CPU cycles:327,487/sec
Context switches:1/sec
Memory:360 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
Microsoft Windows XP 57.14%
Windows Vista Home Premium 28.57%
Windows Vista Ultimate 14.29%

Distribution by countryDistribution by country

United States installs about 50.00% of Microsoft Windows Search Protocol Host.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 28.57%
Intel 28.57%
Dell 28.57%
Hewlett-Packard 14.29%
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