Should I block it?

No, this file is 100% safe to run.

Additional versions

6.3.9600.16384 (winblue_rtm.130821-1623)	4.55%
6.3.9600.16384 (winblue_rtm.130821-1623)	0.10%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.24%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.05%
6.2.9200.16384 (win8_rtm.120725-1247)	2.47%
6.2.9200.16384 (win8_rtm.120725-1247)	14.12%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.10%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.10%
6.2.8250.0 (winmain_win8beta.120217-1520)	0.05%
6.2.8102.0 (winmain_win8m3.110823-1455)	0.10%
6.1.7600.16385 (win7_rtm.090713-1255)	24.90%
6.1.7600.16385 (win7_rtm.090713-1255)	44.10%
6.0.6000.16386 (vista_rtm.061101-2205)	7.21%
6.0.6000.16386 (vista_rtm.061101-2205)	1.50%
6.0.6000.16386 (vista_rtm.061101-2205)	0.39%
6.0.6000.16386 (vista_rtm.061101-2205)	0.05%

Relationships

Child processes

Related files

PE file structure

Show functions

Import table

advapi32.dll

TraceMessage, GetTraceEnableFlags, GetTraceEnableLevel, GetTraceLoggerHandle, RegisterTraceGuidsW, UnregisterTraceGuids, RegCloseKey, RegDeleteValueW, RegOpenKeyExW, RegSetValueExW, RegQueryValueExW, EventRegister, EventUnregister, EventWrite, EventEnabled, RegOpenKeyW, LsaGetUserName, EventWriteEndScenario, EventWriteStartScenario, EventActivityIdControl, CheckTokenMembership, RevertToSelf, ImpersonateLoggedOnUser, EqualSid, GetTokenInformation, DeregisterEventSource, RegisterEventSourceW, RegEnumValueW, RegQueryInfoKeyW, RegQueryInfoKeyA, RegQueryValueExA, QueryTraceW, EnableTrace, ControlTraceW, StartTraceW, OpenSCManagerW, OpenServiceW, QueryServiceStatus, NotifyServiceStatusChangeW, CloseServiceHandle, NotifyBootConfigStatus, OpenProcessToken, CreateWellKnownSid, LookupAccountSidW, RegDeleteTreeW, CreateProcessAsUserW, DuplicateTokenEx, I_ScSendTSMessage, ReportEventW, SetNamedSecurityInfoW, GetSecurityDescriptorSacl, GetSecurityDescriptorDacl, GetSecurityDescriptorGroup, GetSecurityDescriptorOwner, GetSecurityDescriptorControl, ConvertStringSecurityDescriptorToSecurityDescriptorW

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

ApiSetQueryApiSetPresence

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

GetDateFormatW, GetTimeFormatW

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

ResolveDelayLoadedAPI, DelayLoadFailureHook

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

GetLastError, SetLastError, SetErrorMode, SetUnhandledExceptionFilter, UnhandledExceptionFilter

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

GetLastError, SetLastError, UnhandledExceptionFilter, SetErrorMode, SetUnhandledExceptionFilter

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

FindFirstVolumeW, GetDriveTypeW, DeleteFileW, FindNextVolumeW, FindVolumeClose, CreateFileW, CreateDirectoryW, GetShortPathNameW, FileTimeToSystemTime, FindFirstFileW, ReadFile, FindClose, GetFileAttributesW

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

GetDriveTypeW, DeleteFileW, FindNextVolumeW, FindVolumeClose, FindFirstVolumeW, CreateFileW, CreateDirectoryW, GetShortPathNameW, FindFirstFileW, ReadFile, FindClose, GetFileAttributesW

api-ms-win-core-file-l1-2-1.dll

DeleteFileW, FindNextVolumeW, FindVolumeClose, GetDriveTypeW, ReadFile, CreateFileW, CreateDirectoryW, FindClose, FindFirstVolumeW, FindFirstFileW, GetFileAttributesW, GetShortPathNameW

api-ms-win-core-file-l2-1-0.dll

MoveFileExW

api-ms-win-core-file-l2-1-1.dll

MoveFileExW

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

CloseHandle

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

HeapSetInformation, HeapDestroy, HeapCreate, HeapFree, GetProcessHeap, HeapAlloc

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

HeapCreate, GetProcessHeap, HeapFree, HeapDestroy, HeapSetInformation, HeapAlloc

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

LocalAlloc, LocalFree, LocalReAlloc, LocalSize

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

InterlockedCompareExchange, InterlockedExchange

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

InterlockedExchange, InterlockedCompareExchange

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

InterlockedExchange, InterlockedCompareExchange

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

WTSGetActiveConsoleSessionId, GetStartupInfoA

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

GetStartupInfoA, WTSGetActiveConsoleSessionId

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

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

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

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

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

RegDeleteValueW, RegQueryValueExA, RegQueryInfoKeyA, RegQueryInfoKeyW, RegEnumValueW, RegGetValueW, RegQueryValueExW, RegSetValueExW, RegOpenKeyExW, RegCloseKey

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

SetEnvironmentVariableW, ExpandEnvironmentStringsW

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

SetEnvironmentVariableW, ExpandEnvironmentStringsW

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

ExpandEnvironmentStringsW, SetEnvironmentVariableW

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

SetThreadPriority, OpenProcess, GetCurrentProcess, SetPriorityClass, OpenProcessToken, TerminateProcess, GetCurrentThreadId, CreateProcessAsUserW, CreateRemoteThread, CreateThread, ResumeThread, GetExitCodeProcess, CreateProcessW, GetCurrentThread, GetCurrentProcessId, IsProcessorFeaturePresent

api-ms-win-core-processthreads-l1-1-2.dll

UpdateProcThreadAttribute, DeleteProcThreadAttributeList, CreateThread, InitializeProcThreadAttributeList, GetCurrentProcess, SetThreadPriority, GetCurrentThread, GetExitCodeProcess, GetCurrentProcessId, ResumeThread, SetPriorityClass, CreateRemoteThread, OpenProcessToken, CreateProcessW, OpenProcess, CreateProcessAsUserW, TerminateProcess, GetCurrentThreadId

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

QueryPerformanceCounter

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

K32GetModuleFileNameExW

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

RegEnumValueW, RegDeleteTreeW, RegOpenKeyExW, RegGetValueW, RegCloseKey, RegQueryValueExW, RegQueryValueExA, RegSetValueExW, RegDeleteValueW, RegQueryInfoKeyA, RegQueryInfoKeyW

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

lstrcmpiW, lstrlenW

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

WaitForSingleObjectEx, TryEnterCriticalSection, Sleep, SetEvent, CreateEventW, InitializeCriticalSection, LeaveCriticalSection, ResetEvent, DeleteCriticalSection, EnterCriticalSection, SleepEx, WaitForMultipleObjectsEx, WaitForSingleObject

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

ResetEvent, CreateEventW, SetEvent, WaitForSingleObjectEx, InitializeCriticalSection, LeaveCriticalSection, SleepEx, DeleteCriticalSection, TryEnterCriticalSection, WaitForMultipleObjectsEx, EnterCriticalSection, Sleep, WaitForSingleObject

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

GetSystemTimeAsFileTime, GetLocalTime, GetWindowsDirectoryW, SystemTimeToFileTime, GetVersionExW, GetComputerNameExW, GetTickCount

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

GetComputerNameExW, GetSystemTimeAsFileTime, GetLocalTime, GetWindowsDirectoryW, GetTickCount, GetVersionExW

api-ms-win-core-sysinfo-l1-2-1.dll

GetWindowsDirectoryW, GetComputerNameExW, GetSystemTimeAsFileTime, GetTickCount, GetLocalTime, GetVersionExW

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

CreateTimerQueueTimer, DeleteTimerQueueTimer, QueueUserWorkItem

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

QueueUserWorkItem, DeleteTimerQueueTimer, CreateTimerQueueTimer

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

SystemTimeToFileTime, FileTimeToSystemTime

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

GetFileVersionInfoSizeExW, GetFileVersionInfoExW, VerQueryValueW

api-ms-win-eventing-controller-l1-1-0.dll

StartTraceW, ControlTraceW, EnableTraceEx2

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

GetStartupInfoA

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

LocalFree, LocalAlloc, lstrlenW, lstrcmpiW

api-ms-win-security-base-l1-1-0.dll

ImpersonateLoggedOnUser, EqualSid, RevertToSelf, GetTokenInformation, GetSecurityDescriptorOwner, GetSecurityDescriptorControl, SetFileSecurityW, GetSecurityDescriptorSacl, CheckTokenMembership, GetSecurityDescriptorDacl, CreateWellKnownSid, SetTokenInformation, DuplicateTokenEx, GetSecurityDescriptorGroup

api-ms-win-security-base-l1-2-0.dll

ImpersonateLoggedOnUser, EqualSid, GetSecurityDescriptorOwner, GetSecurityDescriptorControl, SetFileSecurityW, CheckTokenMembership, CreateWellKnownSid, SetTokenInformation, GetSecurityDescriptorSacl, DuplicateTokenEx, GetSecurityDescriptorDacl, RevertToSelf, GetTokenInformation, GetSecurityDescriptorGroup

api-ms-win-security-lsalookup-l1-1-0.dll

LookupAccountSidLocalW

kernel32.dll

SetEvent, CreateTimerQueueTimer, SetErrorMode, GetTickCount, GetWindowsDirectoryW, FindFirstFileW, FindClose, HeapSetInformation, CreateProcessW, InterlockedExchange, CreateThread, SleepEx, GetCurrentProcessId, SetThreadExecutionState, Sleep, ResetEvent, WaitForSingleObject, QueueUserWorkItem, WaitForSingleObjectEx, HeapFree, HeapAlloc, HeapDestroy, HeapCreate, LoadLibraryW, GetProcAddress, GetFileAttributesW, SetTimerQueueTimer, OpenProcess, GetModuleHandleW, CreateRemoteThread, ResumeThread, DeleteTimerQueueTimer, RegDeleteTreeW, UnhandledExceptionFilter, TerminateProcess, GetSystemTimeAsFileTime, GetCurrentThreadId, QueryPerformanceCounter, GetModuleHandleA, SetUnhandledExceptionFilter, GetStartupInfoA, LoadLibraryExA, InterlockedCompareExchange, DelayLoadFailureHook, MoveFileExW, LocalSize, LocalReAlloc, FindFirstVolumeW, GetDriveTypeW, DeleteFileW, FindNextVolumeW, FindVolumeClose, lstrcmpiW, GetShortPathNameW, CreateFileW, LocalAlloc, ReadFile, CreateDirectoryW, LocalFree, SetLastError, lstrlenW, GetVersionExW, CreateEventW, GetDateFormatW, GetTimeFormatW, FileTimeToSystemTime, SystemTimeToFileTime, GetLocalTime, LockResource, LoadResource, FindResourceExW, GetProcessHeap, FreeLibrary, GetComputerNameW, SetEnvironmentVariableW, GetLastError, GetCurrentProcess, SetPriorityClass, GetCurrentThread, SetThreadPriority, GetExitCodeProcess, CloseHandle, WaitForMultipleObjectsEx, ExpandEnvironmentStringsW, GetSystemDirectoryW, LoadLibraryA

msvcrt.dll

DllMain

ntdll.dll

RtlNtStatusToDosError, RtlInitUnicodeString, NtShutdownSystem, RtlDeregisterWaitEx, RtlFreeHeap, RtlAllocateHeap, EtwEventEnabled, EtwEventWrite, EtwEventUnregister, EtwEventRegister, NtOpenProcessToken, RtlRemovePrivileges, NtClose, EtwUnregisterTraceGuids, EtwRegisterTraceGuidsW, EtwGetTraceLoggerHandle, EtwGetTraceEnableLevel, EtwGetTraceEnableFlags, EtwTraceMessage, RtlRegisterWait, RtlDestroyEnvironment, NtSetValueKey, NtReplyPort, NtCreateKey, NtReplyWaitReceivePort, NtAcceptConnectPort, NtCreatePort, NtAllocateLocallyUniqueId, TpSimpleTryPost, RtlFreeSid, RtlSetSaclSecurityDescriptor, RtlAddMandatoryAce, RtlCreateAcl, RtlCreateSecurityDescriptor, RtlGetDaclSecurityDescriptor, RtlCopySid, RtlLengthSid, RtlSetDaclSecurityDescriptor, RtlAddAce, RtlUnhandledExceptionFilter, NtQueryInformationProcess, NtQuerySystemInformation, RtlSetThreadIsCritical, RtlSetProcessIsCritical, RtlLeaveCriticalSection, RtlEnterCriticalSection, RtlCompareUnicodeString, NtPrivilegeObjectAuditAlarm, EtwEventWriteEndScenario, EtwEventWriteStartScenario, EtwEventActivityIdControl, NtPrivilegeCheck, NtOpenThreadToken, RtlAllocateAndInitializeSid, RtlInitializeCriticalSection, NtQueryInformationToken, RtlSetEnvironmentVariable, RtlQueryEnvironmentVariable_U, RtlInitUnicodeStringEx, RtlCreateEnvironment, NtCreateEvent, RtlAdjustPrivilege, NtSystemDebugControl, NtCompleteConnectPort, NtCreatePagingFile, RtlDosPathNameToNtPathName_U, DbgBreakPoint, RtlConnectToSm, RtlSendMsgToSm, NtDelayExecution, RtlDeregisterWait, NtPowerInformation, NtSetThreadExecutionState, NtSetInformationProcess, WinSqmAddToStream, WinSqmIsOptedIn, CsrClientCallServer, NtQuerySystemEnvironmentValueEx

rpcrt4.dll

RpcBindingFree, RpcStringBindingParseW, RpcBindingToStringBindingW, RpcBindingServerFromClient, RpcRevertToSelf, RpcImpersonateClient, RpcServerInqCallAttributesW, RpcServerListen, RpcServerRegisterIfEx, RpcServerUseProtseqEpW, RpcExceptionFilter, RpcServerInqDefaultPrincNameW, RpcServerRegisterAuthInfoW, RpcStringFreeW, RpcServerInqBindings, UuidFromStringW, RpcEpRegisterW, RpcServerUnregisterIf, RpcEpUnregister, RpcBindingVectorFree, NdrAsyncServerCall, RpcServerTestCancel, RpcAsyncAbortCall, I_RpcBindingIsClientLocal, NdrAsyncClientCall, RpcBindingCopy, RpcBindingCreateW, RpcBindingBind, RpcServerUseProtseqW, RpcAsyncInitializeHandle, RpcAsyncCancelCall, RpcAsyncCompleteCall, RpcBindingUnbind, NdrClientCall2, NdrServerCall2, I_RpcExceptionFilter, RpcBindingSetAuthInfoExW, RpcBindingFromStringBindingW, RpcStringBindingComposeW, RpcMgmtIsServerListening

user32.dll

SetWindowStationUser, SwitchDesktopWithFade, LoadLocalFonts, SetWindowsHookExW, RegisterLogonProcess, SetProcessWindowStation, CreateDesktopW, CloseDesktop, CloseWindowStation, SetUserObjectSecurity, SwitchDesktop, UpdatePerUserSystemParameters, RecordShutdownReason, GetAsyncKeyState, ExitWindowsEx, UnhookWindowsHookEx, SetThreadDesktop, CreateWindowStationW

userenv.dll

GetAllUsersProfileDirectoryW, GetUserProfileDirectoryW

wininit.exe

Windows Start-Up Application by Microsoft

Remove wininit.exe

Version:	6.0.6000.16386 (vista_rtm.061101-2205)
MD5:	39d959cd9f3bc44f78db3c6588aac3fe
SHA1:	d3a91410bb9dc847c9ae5e4d07b8bf73f6dfdb93
SHA256:	b3a0503e06b7160ca4e81ba43c2a9cfb922a24b93fada6b61d9d088bb428391f

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

What is wininit.exe?

The Wininit file is an .ini file that lists all of the changes to be made to Windows when you restart the computer after installing a program. The Wininit.exe file is the program file that starts the .ini file. It can be run only when the computer restarts so that the changes can be made while Windows is not running.

Overview

wininit.exe executes as a process under the SYSTEM account with extensive privileges (the system and the administrator accounts have the same file privileges). It has been configured with a firewall exception which allows both inbound and outbound network communication without being blocked. This version is designed to run on Windows Vista and is compiled as a 32 bit program.

Details

File name:	wininit.exe
Publisher:	Microsoft Corporation
Product name:	Windows Start-Up Application
Description:	Microsoft® Windows® Operating System
Typical file path:	C:\Windows\System32\wininit.exe
Original name:	WinInit.exe.mui
File version:	6.0.6000.16386 (vista_rtm.061101-2205)
Product version:	6.0.6000.16386
Size:	93.5 KB (95,744 bytes)
Digital DNA
Entropy:	6.266439
File packed:	No
Code language:	Microsoft Visual C++
.NET CLR:	No

More details

Behaviors

Windows firewall allowed program

Exceptions allow programs to access to the Internet through an outbound connections

Firewall exception for 'C:\Windows\system32\wininit.exe'

Resource utilization

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

Averages

CPU
Total CPU:	0.00058689%	0.028634%
Kernel CPU:	0.00050749%	0.013761%
User CPU:	0.00007940%	0.014873%
Kernel CPU time:	1,295 ms/min	100,923,805ms/min
CPU cycles:	71,743/sec	17,470,203/sec
Memory
Private memory:	1.45 MB	21.59 MB
Private (maximum):	4.09 MB
Private (minimum):	220 KB
Non-paged memory:	1.45 MB	21.59 MB
Virtual memory:	36.43 MB	140.96 MB
Virtual memory (peak):	57.1 MB	169.69 MB
Working set:	248 KB	18.61 MB
Working set (peak):	4.19 MB	37.95 MB
Page faults:	1,752/min	2,039/min
I/O
I/O read transfer:	64.29 KB/sec	1.02 MB/min
I/O read operations:	1/sec	343/min
I/O write transfer:	0 Bytes/sec	274.99 KB/min
I/O write operations:	1/sec	227/min
I/O other transfer:	1.08 KB/sec	448.09 KB/min
I/O other operations:	5/sec	1,671/min
Resource allocations
Threads:	3	12
Handles:	97	600

Process properties

Integrety level:	System
Platform:	32-bit
Command line:	wininit.exe
Owner:	SYSTEM

Distribution by Windows OS

OS version	distribution
Windows 7 Home Premium	33.00%
Windows 8.1	17.50%
Windows 7 Ultimate	14.00%
Windows 8.1 Pro	7.50%
Windows 7 Professional	6.00%
Windows 8.1 Single Language	4.50%
Windows 8	3.50%
Windows 8 Single Language	3.00%
Windows 8 Pro	3.00%
Windows 7 Home Basic	2.50%
Windows 8.1 Pro with Media Center	2.00%
Windows 8 Enterprise N	1.00%
Windows 8.1 N	0.50%
Windows Seven Black Edition	0.50%
Windows 8.1 Enterprise Evaluation	0.50%
Windows Vista Home Premium	0.50%
Windows 8 Enterprise	0.50%

Distribution by country

United States installs about 44.72% of Windows Start-Up Application.

Distribution by PC manufacturer

PC Manufacturer	distribution
Dell	18.97%
ASUS	18.18%
Hewlett-Packard	17.79%
Acer	14.23%
Toshiba	10.28%
Lenovo	8.70%
Sony	3.95%
Intel	2.37%
GIGABYTE	1.98%
Samsung	1.58%
Alienware	1.19%
Medion	0.79%

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