Should I block it?

No, this file is 100% safe to run.

Additional versions

6.3.9600.16384 (winblue_rtm.130821-1623)	1.55%
6.3.9600.16384 (winblue_rtm.130821-1623)	5.95%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.08%
6.2.9200.16384 (win8_rtm.120725-1247)	2.44%
6.2.9200.16384 (win8_rtm.120725-1247)	12.71%
6.2.9200.16384 (win8_rtm.120725-1247)	12.88%
6.2.9200.16384 (win8_rtm.120725-1247)	0.49%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.08%
6.2.8102.0 (winmain_win8m3.110823-1455)	0.16%
6.1.7600.16385 (win7_rtm.090713-1255)	4.16%
6.1.7600.16385 (win7_rtm.090713-1255)	2.12%
6.1.7600.16385 (win7_rtm.090713-1255)	4.65%
6.1.7600.16385 (win7_rtm.090713-1255)	2.04%
6.1.7600.16385 (win7_rtm.090713-1255)	2.36%
6.1.7600.16385 (win7_rtm.090713-1255)	0.33%
6.1.7600.16385 (win7_rtm.090713-1255)	4.89%
6.1.7600.16385 (win7_rtm.090713-1255)	0.16%
6.1.7600.16385 (win7_rtm.090713-1255)	0.49%
6.1.7600.16385 (win7_rtm.090713-1255)	2.28%
6.1.7600.16385 (win7_rtm.090713-1255)	0.65%
6.1.7600.16385 (win7_rtm.090713-1255)	0.90%
6.1.7600.16385 (win7_rtm.090713-1255)	2.12%
6.1.7600.16385 (win7_rtm.090713-1255)	23.39%
6.1.7600.16385 (win7_rtm.090713-1255)	0.65%
6.1.7600.16385 (win7_rtm.090713-1255)	1.47%
View more
6.1.7600.16385 (win7_rtm.090713-1255)	2.36%
6.1.7600.16385 (win7_rtm.090713-1255)	0.08%
6.1.7600.16385 (win7_rtm.090713-1255)	6.68%
6.1.7600.16385 (win7_rtm.090713-1255)	1.87%

Relationships

PE 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

CoUninitialize, CoInitializeEx, CoCreateInstance

api-ms-win-core-delayload-l1-1-1.dll

DelayLoadFailureHook, ResolveDelayLoadedAPI

api-ms-win-core-errorhandling-l1-1-0.dll

SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetLastError

api-ms-win-core-errorhandling-l1-1-1.dll

UnhandledExceptionFilter, GetLastError, SetUnhandledExceptionFilter

api-ms-win-core-file-l1-1-1.dll

CreateFileA, CreateFileW, ReadFile, SetFilePointer

api-ms-win-core-file-l1-2-0.dll

ReadFile, CreateFileW, SetFilePointer, CreateFileA

api-ms-win-core-handle-l1-1-0.dll

CloseHandle

api-ms-win-core-heap-obsolete-l1-1-0.dll

LocalFree, GlobalLock, GlobalSize, GlobalUnlock, LocalReAlloc, GlobalAlloc, GlobalFree, LocalAlloc

api-ms-win-core-interlocked-l1-1-0.dll

InterlockedExchange, InterlockedCompareExchange, InterlockedDecrement, InterlockedIncrement

api-ms-win-core-interlocked-l1-2-0.dll

InterlockedDecrement, InterlockedIncrement, InterlockedCompareExchange, InterlockedExchange

api-ms-win-core-kernel32-legacy-l1-1-0.dll

GetStartupInfoA

api-ms-win-core-libraryloader-l1-1-1.dll

GetModuleFileNameW, GetModuleHandleW, LockResource, FindResourceExW, LoadResource, GetModuleHandleA, FreeLibrary, LoadLibraryExW, GetProcAddress

api-ms-win-core-localization-l1-1-1.dll

GetCPInfo, GetACP, IsValidCodePage, GetOEMCP

api-ms-win-core-localization-l1-2-0.dll

IsValidCodePage, GetACP, GetCPInfo, GetOEMCP

api-ms-win-core-localregistry-l1-1-0.dll

RegGetValueW

api-ms-win-core-memory-l1-1-1.dll

VirtualProtect, VirtualQuery, VirtualAlloc

api-ms-win-core-privateprofile-l1-1-0.dll

GetPrivateProfileStringW

api-ms-win-core-processenvironment-l1-1-0.dll

GetEnvironmentVariableW, ExpandEnvironmentStringsW, GetCommandLineW, SetEnvironmentVariableW

api-ms-win-core-processenvironment-l1-2-0.dll

GetCommandLineW, ExpandEnvironmentStringsW, SetEnvironmentVariableW, GetEnvironmentVariableW

api-ms-win-core-processthreads-l1-1-1.dll

GetCurrentProcessId, GetCurrentThread, GetCurrentThreadId, CreateThread, GetCurrentProcess, TerminateProcess, SetProcessShutdownParameters

api-ms-win-core-profile-l1-1-0.dll

QueryPerformanceCounter

api-ms-win-core-registry-l1-1-0.dll

RegGetValueW

api-ms-win-core-sidebyside-l1-1-0.dll

CreateActCtxW

api-ms-win-core-string-l1-1-0.dll

MultiByteToWideChar, WideCharToMultiByte, GetStringTypeW

api-ms-win-core-string-obsolete-l1-1-0.dll

lstrlenW, lstrlenA

api-ms-win-core-synch-l1-1-1.dll

Sleep

api-ms-win-core-synch-l1-2-0.dll

Sleep

api-ms-win-core-sysinfo-l1-1-1.dll

GetSystemDirectoryW, GetTickCount, GetVersionExW, GetSystemInfo, GetSystemTimeAsFileTime, GetSystemDirectoryA

api-ms-win-core-sysinfo-l1-2-0.dll

GetSystemInfo, GetVersionExW, GetSystemDirectoryW, GetSystemDirectoryA, GetTickCount, GetSystemTimeAsFileTime

api-ms-win-core-util-l1-1-0.dll

Beep

api-ms-win-legacy-kernel32-l1-1-0.dll

GetStartupInfoA

api-ms-win-obsolete-kernel32-l1-1-0.dll

GlobalLock, GlobalUnlock, GetPrivateProfileStringW, GlobalSize

api-ms-win-obsolete-kernelbase-l1-1-0.dll

LocalAlloc, lstrlenW, LocalReAlloc, GlobalAlloc, GlobalFree, lstrlenA, LocalFree

gdi32.dll

DeleteDC, GetDIBits, BitBlt, GetObjectW, SelectObject, CreateCompatibleDC, CreateDIBitmap, PatBlt, InvertRgn, CombineRgn, CreateRectRgn, StretchDIBits, SelectPalette, CreateCompatibleBitmap, GdiFullscreenControl, GdiFlush, PolyPatBlt, GetStockObject, SetBkColor, SetTextColor, SetDCBrushColor, GetNearestColor, DeleteObject, GetTextExtentPoint32W, GetTextMetricsW, EnumFontFamiliesExW, CreateDCW, GetTextFaceW, SetFontEnumeration, GetDeviceCaps, GetRegionData, GetRgnBox, PolyTextOutW, GetCurrentObject, SetBkMode, RealizePalette, SetSystemPaletteUse, GetStringBitmapW, CreateSolidBrush, TranslateCharsetInfo, GetCharWidth32W, CreateBitmap, SetBitmapBits, GetBitmapBits, StretchBlt, CreateFontIndirectW, SetDIBitsToDevice

imm32.dll

ImmGetCompositionStringW, ImmGetGuideLineW, ImmGetContext, ImmGetOpenStatus, ImmGetConversionStatus, ImmReleaseContext, ImmAssociateContextEx, ImmAssociateContext, ImmTranslateMessage, ImmNotifyIME, ImmGetProperty, ImmGetCandidateListW

kernel32.dll

CreateFileA, GlobalFree, GlobalLock, GlobalSize, GlobalUnlock, GetStringTypeW, GetSystemDirectoryA, GetModuleHandleW, GetACP, CreateThread, InterlockedExchange, Sleep, InterlockedCompareExchange, GetStartupInfoA, SetUnhandledExceptionFilter, GetModuleHandleA, QueryPerformanceCounter, GetTickCount, GetSystemTimeAsFileTime, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, lstrlenA, LockResource, InterlockedIncrement, InterlockedDecrement, GetVersionExW, VirtualProtect, LoadResource, VirtualAlloc, GetSystemInfo, VirtualQuery, LocalAlloc, LocalFree, LocalReAlloc, FindResourceExW, IsValidCodePage, GetCurrentProcessId, GetCurrentThreadId, GetLastError, CreateActCtxW, GetModuleFileNameW, SetEnvironmentVariableW, GetEnvironmentVariableW, CloseHandle, SetFilePointer, ReadFile, MultiByteToWideChar, FreeLibrary, LoadLibraryExW, ExpandEnvironmentStringsW, GetPrivateProfileStringW, CreateFileW, GetCommandLineW, SetProcessShutdownParameters, GetProcAddress, LoadLibraryW, GetSystemDirectoryW, WideCharToMultiByte, GetCPInfo, lstrlenW, Beep, GetCurrentThread, GetOEMCP, GlobalAlloc

msvcrt.dll

DllMain

ntdll.dll

RtlPrefixUnicodeString, RtlIntegerToUnicodeString, RtlUnicodeToMultiByteSize, RtlInitializeCriticalSectionAndSpinCount, RtlConsoleMultiByteToUnicodeN, RtlDosSearchPath_U, ShipAssert, RtlExitUserProcess, NtReplyWaitReceivePort, NtCreatePort, RtlOpenCurrentUser, NtEnumerateValueKey, NtQueryValueKey, RtlCreateTagHeap, NtOpenKey, NtAcceptConnectPort, NtWaitForMultipleObjects, NtSetInformationProcess, RtlReAllocateHeap, RtlInitCodePageTable, RtlUnicodeToMultiByteN, RtlMultiByteToUnicodeN, RtlCustomCPToUnicodeN, RtlOemToUnicodeN, RtlUnicodeToOemN, RtlExitUserThread, RtlInitUnicodeString, RtlUnicodeStringToInteger, NtSetEvent, NtCreateEvent, NtDuplicateObject, NtClearEvent, RtlDeleteCriticalSection, RtlInitializeCriticalSection, NtOpenProcess, NtQueryInformationProcess, NtVdmControl, NtReleaseMutant, NtWaitForSingleObject, NtCreateMutant, NtUnmapViewOfSection, NtReadVirtualMemory, RtlEnterCriticalSection, RtlLeaveCriticalSection, NtReplyPort, RtlCompareUnicodeString, RtlSizeHeap, DbgPrintEx, RtlAllocateHeap, NtCreateSection, RtlFreeHeap, NtMapViewOfSection, NtClose, RtlGetCriticalSectionRecursionCount, NtOpenDirectoryObject, NtQueryVolumeInformationFile, RtlInitializeSRWLock, RtlReleaseSRWLockExclusive, RtlAcquireSRWLockExclusive, NtDeviceIoControlFile

ole32.dll

CoUninitialize, CoCreateInstance, CoInitializeEx

user32.dll

SetProcessDPIAware, GetForegroundWindow, WindowFromPoint, SetCursor, SendMessageTimeoutW, TrackPopupMenuEx, UnpackDDElParam, CreateIconFromResourceEx, ReuseDDElParam, CreateWindowExW, GetDC, GetSystemMenu, SetActiveWindow, LoadCursorW, KillTimer, ReleaseDC, DestroyWindow, GetKeyboardLayout, SetTimer, ScrollDC, SetScrollInfo, GetWindowRect, MapWindowPoints, MonitorFromRect, GetClientRect, GetMonitorInfoW, ClientToScreen, AdjustWindowRectEx, GetCaretBlinkTime, GetWindowTextW, SetWindowTextW, NotifyWinEvent, MapVirtualKeyW, VkKeyScanW, CloseClipboard, InvalidateRect, GetClipboardData, OpenClipboard, ReleaseCapture, RegisterClassExW, LoadIconW, LoadImageW, EnumDisplaySettingsW, BeginPaint, DrawIcon, EndPaint, DefWindowProcW, SetWindowPos, EnableMenuItem, LoadMenuW, AppendMenuW, SetMenuItemInfoW, ShowWindow, MessageBoxW, GetKeyboardState, ToUnicodeEx, GetMessageW, DispatchMessageW, UnhookWindowsHookEx, RegisterWindowMessageW, SetWindowsHookExW, SetCapture, SetClipboardData, EmptyClipboard, GetKeyState, PrivateExtractIconExW, EnterReaderModeHelper, TranslateMessageEx, ConsoleControl, GetWindowLongW, GetWindowPlacement, SetWindowPlacement, SystemParametersInfoW, ActivateKeyboardLayout, GetKeyboardLayoutNameA, GetKeyboardLayoutNameW, CopyIcon, DestroyIcon, DialogBoxParamW, EndDialog, GetDlgItemTextW, IsDlgButtonChecked, SendNotifyMessageW, SetWindowLongW, SendDlgItemMessageW, CheckRadioButton, PtInRect, ScreenToClient, GetSystemMetrics, SendMessageW, PostMessageW, LoadStringW, GetCursorPos, IsIconic

conhost.exe

Console Window Host by Microsoft

Remove conhost.exe

Version:	6.2.8400.0 (winmain_win8rc.120518-1423)
MD5:	cc11bb2f0bfaed07ef7d3cbd85b130d2
SHA1:	d5ca25ccec5ee535d18081bfc644af7df599ab48
SHA256:	e78200f0e3761084d261fa25dc97fcd7f33cd93f0cc170662f0906bb1b4ada9c

This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is conhost.exe?

conhost.exe is the new host process for console windows. Previously those were handled by csrss.exe which is the “Client Server Runtime Process”, a process running with system-level privileges. Starting with Windows Vista, Microsoft made some very substantial improvements and changes in regard to security. One of those changes was that applications running in different “levels” or as different users weren't allowed to exchange data freely.

About conhost.exe (from Microsoft)

“ConHost (Console Host) runs in the same security context as its associated console application. Instead of issuing an LPC request to CSRSS for message-handling, the request goes to ConHost. As a res”

Details

File name:	conhost.exe
Publisher:	Microsoft Corporation
Product name:	Console Window Host
Description:	Microsoft® Windows® Operating System
Typical file path:	C:\Windows\System32\conhost.exe
Original name:	CONHOST.EXE.MUI
File version:	6.2.8400.0 (winmain_win8rc.120518-1423)
Product version:	6.2.8400.0
Size:	294 KB (301,056 bytes)
Digital DNA
PE subsystem:	Windows GUI
Entropy:	6.501326
File packed:	No
Code language:	Microsoft Visual C++
.NET CLR:	No

More details

Resource utilization

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

Averages

CPU
Total CPU:	0.00004252%	0.028634%
Kernel CPU:	0.00003206%	0.013761%
User CPU:	0.00001045%	0.014873%
Kernel CPU time:	234,002 ms/min	100,923,805ms/min
Memory
Private memory:	1010 KB	21.59 MB
Private (maximum):	3.88 MB
Private (minimum):	3.42 MB
Non-paged memory:	1010 KB	21.59 MB
Virtual memory:	40.29 MB	140.96 MB
Virtual memory (peak):	47.48 MB	169.69 MB
Working set:	3.45 MB	18.61 MB
Working set (peak):	3.88 MB	37.95 MB
Resource allocations
Threads:	2	12
Handles:	156	600

Process properties

Integrety level:	System
Platform:	32-bit
Command line:	\??\C:\Windows\System32\conhost.exe 0x4
Owner:	SYSTEM
Parent process:	schtasks.exe (by Microsoft)

Distribution by Windows OS

OS version	distribution
Windows 7 Ultimate	21.50%
Windows 8.1	17.00%
Windows 8.1 Pro	14.00%
Windows 8	10.50%
Windows 8.1 Single Language	7.50%
Windows 8 Pro	7.00%
Windows 7 Home Premium	5.00%
Windows 8 Single Language	3.50%
Windows 8.1 Pro with Media Center	3.00%
Windows 7 Professional	3.00%
Windows 8 Enterprise N	2.50%
Windows 7 Starter	1.50%
Windows 8.1 Enterprise Evaluation	1.00%
Windows 7 Home Basic	1.00%
Windows Developer Preview	0.50%
Windows 8.1 Enterprise	0.50%
Windows 8 Pro with Media Center	0.50%
Windows 8 Enterprise	0.50%

Distribution by country

United States installs about 25.13% of Console Window Host.

Distribution by PC manufacturer

PC Manufacturer	distribution
Lenovo	19.15%
Dell	18.44%
ASUS	18.44%
Toshiba	9.22%
Hewlett-Packard	8.16%
Acer	8.16%
Intel	6.38%
Sony	4.96%
Alienware	2.84%
NEC	1.42%
American Megatrends	1.06%
Samsung	0.71%
Medion	0.71%
GIGABYTE	0.35%

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