Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 0.44%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.02%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.70%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.24%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.65%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.05%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.05%
6.2.9200.16420 (win8_gdr.120919-1813) 0.02%
6.2.9200.16420 (win8_gdr.120919-1813) 0.07%
6.2.9200.16420 (win8_gdr.120919-1813) 0.46%
6.2.9200.16420 (win8_gdr.120919-1813) 1.45%
6.2.9200.16420 (win8_gdr.120919-1813) 0.29%
6.2.9200.16420 (win8_gdr.120919-1813) 2.55%
6.2.9200.16384 (win8_rtm.120725-1247) 0.15%
6.2.9200.16384 (win8_rtm.120725-1247) 0.19%
6.2.9200.16384 (win8_rtm.120725-1247) 0.07%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.07%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.02%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.02%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.05%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.05%
6.1.7600.16385 (win7_rtm.090713-1255) 3.22%
6.1.7600.16385 (win7_rtm.090713-1255) 6.23%
6.1.7600.16385 (win7_rtm.090713-1255) 5.02%
6.1.7600.16385 (win7_rtm.090713-1255) 1.99%
View more

Relationships


PE structurePE file structure

Show functions
Import table
api-ms-win-core-apiquery-l1-1-0.dll
ApiSetQueryApiSetPresence
api-ms-win-core-com-l1-1-0.dll
CoInitializeSecurity, CoCreateInstance, CoEnableCallCancellation, CoDisableCallCancellation, CoCancelCall, CoUninitialize, CoInitializeEx, StringFromCLSID, CoTaskMemFree
api-ms-win-core-com-l1-1-1.dll
CoInitializeSecurity, CoCancelCall, CoDisableCallCancellation, CoEnableCallCancellation, CoCreateInstance, CoUninitialize, CoInitializeEx
api-ms-win-core-debug-l1-1-1.dll
IsDebuggerPresent, OutputDebugStringA
api-ms-win-core-delayload-l1-1-1.dll
ResolveDelayLoadedAPI, DelayLoadFailureHook
api-ms-win-core-errorhandling-l1-1-0.dll
UnhandledExceptionFilter, SetUnhandledExceptionFilter, GetLastError, SetLastError
api-ms-win-core-errorhandling-l1-1-1.dll
GetLastError, SetUnhandledExceptionFilter, UnhandledExceptionFilter, SetLastError
api-ms-win-core-handle-l1-1-0.dll
CloseHandle
api-ms-win-core-heap-l1-1-0.dll
GetProcessHeap, HeapAlloc, HeapSize, HeapReAlloc, HeapDestroy, HeapFree, HeapCreate
api-ms-win-core-heap-l1-2-0.dll
GetProcessHeap, HeapDestroy, HeapAlloc, HeapSize, HeapReAlloc, HeapFree, HeapCreate
api-ms-win-core-heap-obsolete-l1-1-0.dll
LocalFree
api-ms-win-core-interlocked-l1-1-0.dll
InterlockedCompareExchange, InterlockedDecrement, InterlockedIncrement, InterlockedExchange
api-ms-win-core-interlocked-l1-1-1.dll
InterlockedDecrement, InterlockedIncrement, InterlockedCompareExchange, InterlockedExchange
api-ms-win-core-interlocked-l1-2-0.dll
InterlockedDecrement, InterlockedIncrement, InterlockedCompareExchange, InterlockedExchange
api-ms-win-core-libraryloader-l1-1-1.dll
LoadStringW, GetModuleHandleW, GetModuleHandleA, GetProcAddress
api-ms-win-core-libraryloader-l1-2-0.dll
GetModuleHandleW, LoadStringW, GetModuleHandleA
api-ms-win-core-localregistry-l1-1-0.dll
RegGetValueW
api-ms-win-core-processthreads-l1-1-0.dll
OpenProcessToken
api-ms-win-core-processthreads-l1-1-1.dll
TerminateProcess, GetExitCodeThread, GetStartupInfoW, SetProcessShutdownParameters, GetCurrentProcess, GetCurrentThread, CreateThread, GetCurrentThreadId, SetThreadPriority, GetCurrentProcessId, GetThreadPriority, IsProcessorFeaturePresent, OpenProcessToken
api-ms-win-core-processthreads-l1-1-2.dll
GetThreadPriority, TerminateProcess, GetCurrentProcess, GetExitCodeThread, GetCurrentThreadId, GetCurrentProcessId, SetProcessShutdownParameters, CreateThread, GetStartupInfoW, GetCurrentThread, SetThreadPriority
api-ms-win-core-profile-l1-1-0.dll
QueryPerformanceCounter
api-ms-win-core-registry-l1-1-0.dll
RegGetValueW
api-ms-win-core-string-l1-1-0.dll
WideCharToMultiByte
api-ms-win-core-synch-l1-1-1.dll
DeleteCriticalSection, EnterCriticalSection, CreateEventW, InitializeSRWLock, InitOnceExecuteOnce, ReleaseSRWLockExclusive, InitializeCriticalSection, Sleep, SetEvent, WaitForSingleObject, LeaveCriticalSection, AcquireSRWLockExclusive, ResetEvent
api-ms-win-core-synch-l1-2-0.dll
EnterCriticalSection, ResetEvent, ReleaseSRWLockExclusive, AcquireSRWLockExclusive, WaitForSingleObject, InitializeSRWLock, SetEvent, InitializeCriticalSection, DeleteCriticalSection, LeaveCriticalSection, Sleep, InitOnceExecuteOnce, CreateEventW
api-ms-win-core-sysinfo-l1-1-1.dll
GetTickCount, GetSystemTimeAsFileTime
api-ms-win-core-sysinfo-l1-2-0.dll
GetTickCount, GetSystemTimeAsFileTime
api-ms-win-core-sysinfo-l1-2-1.dll
GetTickCount, GetSystemTimeAsFileTime
api-ms-win-core-threadpool-l1-1-1.dll
DeleteTimerQueueTimer, CreateTimerQueueTimer
api-ms-win-core-threadpool-legacy-l1-1-0.dll
CreateTimerQueueTimer, DeleteTimerQueueTimer
api-ms-win-eventing-classicprovider-l1-1-0.dll
GetTraceEnableLevel, UnregisterTraceGuids, GetTraceLoggerHandle, GetTraceEnableFlags, TraceMessage, RegisterTraceGuidsW
api-ms-win-obsolete-kernelbase-l1-1-0.dll
LocalFree
api-ms-win-security-base-l1-1-0.dll
GetSecurityDescriptorSacl, MakeAbsoluteSD, GetSecurityDescriptorControl, AddAce, InitializeSid, CopySid, InitializeAcl, GetTokenInformation, AllocateAndInitializeSid, FreeSid, GetSidLengthRequired, GetSecurityDescriptorGroup, GetLengthSid, GetSecurityDescriptorDacl, GetSidSubAuthority, SetSecurityDescriptorDacl, SetSecurityDescriptorGroup, SetSecurityDescriptorOwner, GetAclInformation, IsValidSid, InitializeSecurityDescriptor, GetSecurityDescriptorOwner
api-ms-win-security-base-l1-2-0.dll
FreeSid, InitializeAcl, GetLengthSid, AllocateAndInitializeSid, GetSecurityDescriptorSacl, GetSecurityDescriptorDacl, GetSecurityDescriptorGroup, GetSecurityDescriptorOwner, GetSecurityDescriptorControl, SetSecurityDescriptorOwner, IsValidSid, InitializeSecurityDescriptor, MakeAbsoluteSD, GetSidSubAuthority, InitializeSid, GetSidLengthRequired, SetSecurityDescriptorGroup, SetSecurityDescriptorDacl, AddAce, GetAclInformation, CopySid
kernel32.dll
InterlockedExchange, Sleep, InterlockedCompareExchange, GetStartupInfoW, SetUnhandledExceptionFilter, GetModuleHandleA, QueryPerformanceCounter, GetTickCount, GetCurrentThreadId, GetCurrentProcessId, GetSystemTimeAsFileTime, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, GetLastError, WaitForSingleObject, ResetEvent, CloseHandle, CreateEventW, HeapFree, HeapDestroy, HeapCreate, HeapReAlloc, SetLastError, HeapAlloc, InitOnceExecuteOnce, SetProcessShutdownParameters, InterlockedIncrement, DeleteAtom, IsDebuggerPresent, AcquireSRWLockExclusive, ReleaseSRWLockExclusive, SetEvent, InterlockedDecrement, GetModuleHandleW, CreateThread, InitializeSRWLock, SetThreadPriority, GetThreadPriority, GetCurrentThread, GetExitCodeThread, DeleteTimerQueueTimer, CreateTimerQueueTimer, HeapSize, GetProcessHeap, LocalFree, OutputDebugStringA, GetTickCount64
msvcrt.dll
DllMain
ntdll.dll
RtlUnhandledExceptionFilter, EtwTraceMessage, DbgPrintEx, NtSetInformationProcess
ole32.dll
CoEnableCallCancellation, CoCancelCall, CoDisableCallCancellation, CoCreateInstance, CoInitializeSecurity, CoInitializeEx, CoUninitialize
rpcrt4.dll
RpcAsyncInitializeHandle, RpcBindingFree, RpcBindingSetAuthInfoExW, RpcStringFreeW, RpcBindingFromStringBindingW, RpcStringBindingComposeW, NdrClientCall2, NdrAsyncClientCall, RpcAsyncCompleteCall, RpcAsyncCancelCall
user32.dll
UpdateWindow, ShowWindow, DefWindowProcW, RegisterClassW, DispatchMessageW, TranslateMessage, MsgWaitForMultipleObjects, PostMessageW, GetWindowThreadProcessId, IsWindow, EnumThreadWindows, EnumWindows, PostQuitMessage, ShutdownBlockReasonDestroy, LoadStringW, ShutdownBlockReasonCreate, DestroyWindow, PeekMessageW, UnregisterClassW, CreateWindowExW

taskhost.exe

Host Process for Windows Tasks by Microsoft Corporation (Signed)

Remove taskhost.exe
Version:   6.0.6000.16386 (vista_rtm.061101-2205)
MD5:   436e26d2e64ec4aabdc82efbd3b92692
SHA1:   906235f5606e50ba54afde2ed58e83d94b83250a
SHA256:   0c066258e3abdc58874ac37db991be7ec0c06ed21322edf0b44f8c1f9de987e1
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is taskhost.exe?

Host Process for Windows Tasks is a generic process which acts as a host for processes that run from DLLs rather than EXEs. At startup TASKHOST checks the Services portion of the Registry to construct a list of DLL-based services that it needs to load, and then loads them.

Overview

taskhost.exe executes as a process under the SYSTEM account with extensive privileges (the system and the administrator accounts have the same file privileges). The file is digitally signed by Microsoft Corporation. This version is designed to run on Windows Vista and is compiled as a 32 bit program.

DetailsDetails

File name:taskhost.exe
Publisher:Microsoft Corporation
Product name:Host Process for Windows Tasks
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\taskhost.exe
Original name:taskhost.exe.mui
File version:6.0.6000.16386 (vista_rtm.061101-2205)
Product version:6.0.6000.16386
Size:259 KB (265,216 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Tuesday, July 9, 2013
Digital DNA
Entropy:6.163300
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:0.02218577%
0.028634%
Kernel CPU:0.02218248%
0.013761%
User CPU:0.00000329%
0.014873%
Kernel CPU time:2,192 ms/min
100,923,805ms/min
Memory
Private memory:4.95 MB
21.59 MB
Private (maximum):7.36 MB
Private (minimum):7.36 MB
Non-paged memory:4.95 MB
21.59 MB
Virtual memory:73.88 MB
140.96 MB
Virtual memory (peak):76.04 MB
169.69 MB
Working set:7.43 MB
18.61 MB
Working set (peak):10.36 MB
37.95 MB
Resource allocations
Threads:9
12
Handles:237
600
GUI GDI count:14
103
GUI USER count:13
49

BehaviorsProcess properties

Platform:32-bit
Command lines:
  • taskeng.exe {c4a99fcd-8d4a-47cf-bceb-0cceec3ca5d4}
  • taskeng.exe {b4e7f985-a280-4b34-b104-ec052cb1d5f4}
Owner:SYSTEM

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 45.50%
Windows 7 Ultimate 19.50%
Windows 8.1 10.00%
Windows 7 Professional 8.00%
Windows 8.1 Pro 6.50%
Windows 7 Home Basic 2.50%
Windows 8.1 Single Language 2.00%
Windows 8 2.00%
Windows 8 Single Language 1.50%
Windows Seven Black Edition 0.50%
Windows 8.1 Enterprise Evaluation 0.50%
Windows 8.1 Pro with Media Center 0.50%
Windows 7 Starter 0.50%
Windows 8.1 Pro Preview 0.50%

Distribution by countryDistribution by country

United States installs about 48.24% of Host Process for Windows Tasks.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 25.48%
Hewlett-Packard 18.92%
ASUS 17.76%
Acer 13.13%
Toshiba 8.49%
Lenovo 5.41%
Sony 5.41%
GIGABYTE 1.54%
Medion 1.54%
Alienware 1.16%
Samsung 0.77%
Sahara 0.39%
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