Should I block it?

No, this file is 100% safe to run.

Additional versions

6.3.9600.16384 (winblue_rtm.130821-1623)	1.89%
6.3.9600.16384 (winblue_rtm.130821-1623)	3.08%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.25%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.05%
6.2.9200.16384 (win8_rtm.120725-1247)	0.85%
6.2.9200.16384 (win8_rtm.120725-1247)	0.65%
6.2.9200.16384 (win8_rtm.120725-1247)	0.15%
6.2.9200.16384 (win8_rtm.120725-1247)	13.18%
6.2.9200.16384 (win8_rtm.120725-1247)	1.64%
6.2.9200.16384 (win8_rtm.120725-1247)	0.85%
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%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	37.31%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	19.35%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.10%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.05%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.05%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.05%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	0.05%
6.1.7600.16385 (win7_rtm.090713-1255)	3.28%
6.1.7600.16385 (win7_rtm.090713-1255)	2.69%
6.1.7600.16385 (win7_rtm.090713-1255)	2.79%
6.1.7600.16385 (win7_rtm.090713-1255)	1.14%
View more
6.1.7600.16385 (win7_rtm.090713-1255)	0.05%
6.0.6001.18000 (longhorn_rtm.080118-1840)	7.06%
6.0.6001.18000 (longhorn_rtm.080118-1840)	0.05%
6.0.6001.18000 (longhorn_rtm.080118-1840)	1.54%
6.0.6001.18000 (longhorn_rtm.080118-1840)	0.50%
6.0.6000.16386 (vista_rtm.061101-2205)	0.40%
6.0.6000.16386 (vista_rtm.061101-2205)	0.05%
5.1.2600.5512 (xpsp.080413-2113)	0.50%
5.1.2600.5512 (xpsp.080413-2113)	0.05%

Relationships

Child processes

Related files

PE file structure

Show functions

Import table

advapi32.dll

TraceMessage, EventWrite, EventEnabled, InitiateShutdownW, RegCloseKey, RegQueryValueExW, RegOpenKeyExW, QueryTraceW, EnableTrace, ControlTraceW, StartTraceW, GetTraceEnableFlags, GetTraceEnableLevel, GetTraceLoggerHandle, RegisterTraceGuidsW, UnregisterTraceGuids, RegDeleteValueW, EventRegister, EventUnregister, EventWriteEndScenario, EventWriteStartScenario, EventActivityIdControl, RegEnumValueW, RegQueryInfoKeyW, RegSetValueExW, RegOpenKeyW, GetTokenInformation, OpenProcessToken, ConvertStringSidToSidW, LsaFreeMemory, LsaGetUserName, RevertToSelf, ImpersonateLoggedOnUser, CloseEventLog, GetEventLogInformation, OpenEventLogW, RegisterEventSourceW, DeregisterEventSource, LsaNtStatusToWinError, RegCreateKeyExW, CheckTokenMembership, DuplicateTokenEx, ConvertSidToStringSidW, CreateProcessAsUserW, AllocateLocallyUniqueId, ReportEventW, LogonUserW, RegSetKeySecurity, RegDeleteKeyW, RegGetValueA, EqualSid, CredFree, NotifyServiceStatusChangeW, NotifyBootConfigStatus, CreateWellKnownSid, LookupAccountSidW, RegDeleteTreeW, OpenSCManagerW, RegEnumKeyExW, CloseServiceHandle, OpenServiceW, QueryServiceConfigW, QueryServiceStatus, MD5Init, MD5Update, MD5Final, CredReadByTokenHandle, CheckForHiberboot, LsaOpenPolicy, LsaAddPrivilegesToAccount, LsaCreateAccount, LsaOpenAccount, LsaClose, LookupAccountNameW, LsaSetSystemAccessAccount

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

NotifyBootConfigStatus

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

ApiSetQueryApiSetPresence

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

BaseInitAppcompatCacheSupport

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

GetTimeFormatW, GetDateFormatW

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

DebugBreak, IsDebuggerPresent

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

DelayLoadFailureHook, ResolveDelayLoadedAPI

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

UnhandledExceptionFilter, SetLastError, SetErrorMode, SetUnhandledExceptionFilter, GetLastError

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

SetUnhandledExceptionFilter, SetErrorMode, GetLastError, UnhandledExceptionFilter, SetLastError

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

FileTimeToSystemTime, CompareFileTime, ReadFile, CreateFileW, GetShortPathNameW, GetFileAttributesW

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

ReadFile, GetShortPathNameW, CompareFileTime, GetFileAttributesW, CreateFileW

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

GetFileAttributesW, CreateFileW, CompareFileTime, GetShortPathNameW, ReadFile

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, DuplicateHandle

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

HeapSize, HeapFree, GetProcessHeap, HeapAlloc, HeapSetInformation

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

GetProcessHeap, HeapSize, HeapFree, HeapSetInformation, HeapAlloc

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

LocalReAlloc, LocalSize, LocalFree, LocalAlloc

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

InterlockedCompareExchange, InterlockedDecrement, InterlockedIncrement, InterlockedExchange

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

InterlockedExchange, InterlockedDecrement, InterlockedCompareExchange, InterlockedIncrement

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

InterlockedExchange, InterlockedIncrement, InterlockedDecrement, InterlockedCompareExchange

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

QueryInformationJobObject, TerminateJobObject, AssignProcessToJobObject, CreateJobObjectW, SetInformationJobObject

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

GetComputerNameW, RegisterWaitForSingleObject, UnregisterWait, GetStartupInfoA

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

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

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

FormatMessageW, GetThreadUILanguage

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

FormatMessageW, GetThreadUILanguage

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

FormatMessageW, GetThreadUILanguage

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

RegCloseKey, RegOpenKeyExW, RegDeleteValueW, RegEnumValueW, RegQueryInfoKeyW, RegSetValueExW, RegCreateKeyExW, RegSetKeySecurity, RegDeleteKeyExW, RegQueryValueExW

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

VirtualAlloc, VirtualUnlock, VirtualLock, VirtualFree

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

VirtualAlloc, VirtualFree, VirtualLock, VirtualUnlock, GetProcessWorkingSetSizeEx, SetProcessWorkingSetSizeEx

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

SearchPathW, ExpandEnvironmentStringsW, GetCommandLineW, SetEnvironmentVariableW

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

SetEnvironmentVariableW, ExpandEnvironmentStringsW, SearchPathW, GetCommandLineW

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

SearchPathW, GetCommandLineW, SetEnvironmentVariableW, ExpandEnvironmentStringsW

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

OpenProcessToken, GetProcessTimes, ExitProcess, CreateThread, GetCurrentProcessId, SetThreadToken, GetCurrentThreadId, CreateRemoteThread, GetExitCodeProcess, CreateProcessW, CreateProcessAsUserW, ResumeThread, OpenThreadToken, SetPriorityClass, GetCurrentProcess, GetProcessId, TerminateThread, SetThreadPriority, GetCurrentThread, OpenProcess, TerminateProcess, IsProcessorFeaturePresent

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

TerminateThread, SetPriorityClass, GetCurrentProcess, SetThreadPriority, CreateProcessAsUserW, ResumeThread, OpenThreadToken, ExitProcess, TerminateProcess, GetProcessId, OpenProcess, CreateRemoteThread, GetCurrentThread, GetCurrentThreadId, GetProcessTimes, OpenProcessToken, GetCurrentProcessId, GetExitCodeProcess, CreateProcessW, CreateThread, SetThreadToken

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

QueryPerformanceCounter

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

QueryFullProcessImageNameW

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

RegSetKeySecurity, RegFlushKey, RegCloseKey, RegQueryValueExW, RegOpenKeyExW, RegDeleteTreeW, RegQueryInfoKeyW, RegEnumValueW, RegGetValueA, RegEnumKeyExW, RegOpenCurrentUser, RegSetValueExW, RegCreateKeyExW, RegDeleteKeyExW, RegDeleteValueW, RegGetValueW

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

InitiateShutdownW

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

CompareStringW, WideCharToMultiByte

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

lstrlenW

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

InitializeCriticalSection, LeaveCriticalSection, TryEnterCriticalSection, DeleteCriticalSection, ReleaseSRWLockExclusive, AcquireSRWLockExclusive, ResetEvent, EnterCriticalSection, ReleaseSRWLockShared, InitializeSRWLock, AcquireSRWLockShared, SleepEx, WaitForSingleObject, CreateEventW, SetEvent, OpenEventW, Sleep, WaitForSingleObjectEx

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

EnterCriticalSection, DeleteCriticalSection, ResetEvent, LeaveCriticalSection, SleepEx, ReleaseSRWLockExclusive, AcquireSRWLockExclusive, TryEnterCriticalSection, ReleaseSRWLockShared, OpenEventW, WaitForSingleObject, CreateEventW, InitializeSRWLock, SetEvent, WaitForSingleObjectEx, InitializeCriticalSection, AcquireSRWLockShared, Sleep

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

GetSystemTimeAsFileTime, GetSystemWindowsDirectoryW, GetSystemDirectoryW, SystemTimeToTzSpecificLocalTime, GetVersionExW, GetTickCount64, GetTickCount

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

GetTickCount64, GetVersionExW, GetSystemTimeAsFileTime, GetTickCount, GetSystemWindowsDirectoryW, GetSystemDirectoryW

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

GetTickCount, GetSystemDirectoryW, GetTickCount64, GetSystemWindowsDirectoryW, GetVersionExW, GetSystemTimeAsFileTime

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

CreateTimerQueueTimer, QueueUserWorkItem, UnregisterWaitEx, DeleteTimerQueueTimer

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

CreateThreadpool, CreateThreadpoolWork, SetThreadpoolThreadMinimum, SetThreadpoolThreadMaximum, SubmitThreadpoolWork, TrySubmitThreadpoolCallback, CreateThreadpoolCleanupGroup, CloseThreadpool, CloseThreadpoolCleanupGroupMembers, CloseThreadpoolCleanupGroup, CloseThreadpoolWork

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

DeleteTimerQueueTimer, CreateTimerQueueTimer, QueueUserWorkItem, UnregisterWaitEx

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

FileTimeToSystemTime, SystemTimeToTzSpecificLocalTime

api-ms-win-core-wow64-l1-1-0.dll

IsWow64Process

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

TraceMessage

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

StartTraceW, ControlTraceW, EnableTraceEx2

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

ReportEventW, RegisterEventSourceW, DeregisterEventSource, GetEventLogInformation

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

LocalAlloc, lstrlenW, LocalFree

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

PowerDeterminePlatformRoleEx

api-ms-win-power-setting-l1-1-0.dll

PowerSettingUnregisterNotification, PowerSettingRegisterNotification

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

GetLengthSid, RevertToSelf, ImpersonateLoggedOnUser, CheckTokenMembership, DuplicateTokenEx, AllocateLocallyUniqueId, EqualSid, CreateWellKnownSid, GetTokenInformation, DuplicateToken, SetTokenInformation, GetSidIdentifierAuthority

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

RevertToSelf, DuplicateToken, DuplicateTokenEx, CreateWellKnownSid, ImpersonateLoggedOnUser, SetTokenInformation, CheckTokenMembership, GetLengthSid, GetTokenInformation, IsValidSid, GetSidIdentifierAuthority, AllocateLocallyUniqueId, EqualSid

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

CredUnmarshalCredentialW, CredFree

api-ms-win-security-credentials-l2-1-0.dll

CredReadByTokenHandle

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

LsaLookupFreeMemory, LookupAccountSidLocalW, LsaLookupManageSidNameMapping

api-ms-win-security-lsalookup-l2-1-0.dll

LookupAccountNameW, LookupAccountSidW

api-ms-win-security-lsalookup-l2-1-1.dll

LookupAccountNameW, LookupAccountSidW

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

LsaClose, LsaStorePrivateData, LsaOpenPolicy

api-ms-win-service-management-l1-1-0.dll

StartServiceW, OpenServiceW, OpenSCManagerW, CloseServiceHandle

api-ms-win-service-management-l2-1-0.dll

QueryServiceConfigW, NotifyServiceStatusChangeW

api-ms-win-service-winsvc-l1-2-0.dll

QueryServiceStatus

kernel32.dll

DllMain, RegDeleteTreeW, RegEnumKeyExW, CreateProcessInternalW, BaseInitAppcompatCacheSupport, SleepEx, GetFileAttributesW, SetTimerQueueTimer, CreateRemoteThread, GetThreadUILanguage, GetVersionExW, GetTickCount64, WideCharToMultiByte, DebugBreak, UnhandledExceptionFilter, GetCurrentThreadId, QueryPerformanceCounter, GetModuleHandleA, SetUnhandledExceptionFilter, GetStartupInfoA, LoadLibraryExA, DelayLoadFailureHook, GetSystemDirectoryW, SetInformationJobObject, WaitForMultipleObjects, CreateThread, SetErrorMode, CreateFileW, ReadFile, GetModuleHandleW, GetProcessId, OpenEventW, CreateTimerQueueTimer, DeleteTimerQueueTimer, CreateProcessW, SearchPathW, AssignProcessToJobObject, TerminateProcess, GetTickCount, CompareFileTime, ResumeThread, FileTimeToSystemTime, SystemTimeToTzSpecificLocalTime, GetTimeFormatW, VirtualLock, GetProcessWorkingSetSize, SetProcessWorkingSetSize, VirtualUnlock, VirtualFree, CreateJobObjectW, GetCommandLineW, TerminateJobObject, ResetEvent, InterlockedCompareExchange, GetComputerNameW, InterlockedIncrement, InterlockedDecrement, DuplicateHandle, QueryInformationJobObject, RegisterWaitForSingleObject, OpenProcess, UnregisterWait, QueryFullProcessImageNameW, GetExitCodeProcess, GetProcessHeap, SetEnvironmentVariableW, CompareStringW, GetShortPathNameW, lstrlenW, ExpandEnvironmentStringsW, VirtualAlloc, GetCurrentProcessId, HeapSetInformation, LoadLibraryW, GetProcAddress, FreeLibrary, WaitForSingleObjectEx, InterlockedExchange, UnregisterWaitEx, Sleep, GetSystemTimeAsFileTime, MoveFileExW, LocalSize, LocalReAlloc, CreateEventW, SetEvent, CloseHandle, WaitForSingleObject, GetModuleFileNameW, LocalAlloc, LocalFree, SetLastError, FormatMessageW, FindResourceExW, LoadResource, LockResource, GetCurrentProcess, SetPriorityClass, GetCurrentThread, SetThreadPriority, HeapSize, HeapFree, HeapAlloc, HeapDestroy, HeapCreate, GetLastError, RegGetValueA, GetDateFormatW, LoadLibraryA, MultiByteToWideChar, GetSystemInfo, lstrcmpW, IsWow64Process, ResolveDelayLoadedAPI, QueueUserWorkItem, GetComputerNameExW

msvcrt.dll

DllMain

ntdll.dll

RtlEnterCriticalSection, EtwTraceMessage, NtShutdownSystem, RtlNtStatusToDosError, NtClose, NtQueryInformationToken, NtOpenProcessToken, WinSqmStartSession, WinSqmEndSession, EtwEventWrite, EtwEventEnabled, RtlGetNtProductType, NtQuerySystemInformation, NtSystemDebugControl, EtwGetTraceEnableFlags, EtwGetTraceEnableLevel, EtwGetTraceLoggerHandle, EtwRegisterTraceGuidsW, EtwUnregisterTraceGuids, RtlRemovePrivileges, EtwEventRegister, EtwEventUnregister, RtlDeleteCriticalSection, WinSqmSetDWORD, RtlpVerifyAndCommitUILanguageSettings, EtwEventWriteEndScenario, EtwEventWriteStartScenario, EtwEventActivityIdControl, NtOpenThreadToken, RtlCompareUnicodeString, RtlInitUnicodeStringEx, RtlSetEnvironmentVariable, RtlQueryEnvironmentVariable_U, RtlInitUnicodeString, RtlInitializeCriticalSection, RtlLengthSid, RtlInitString, NtAllocateLocallyUniqueId, WinSqmAddToStream, RtlDestroyEnvironment, TpSimpleTryPost, TpReleaseWork, TpWaitForWork, TpReleaseWait, TpWaitForWait, TpSetWait, TpPostWork, TpAllocWork, TpAllocWait, RtlExpandEnvironmentStrings_U, RtlCreateEnvironment, NtSetInformationToken, NtCreateToken, RtlAdjustPrivilege, TpWaitForTimer, RtlGetDaclSecurityDescriptor, RtlSetDaclSecurityDescriptor, RtlAddAce, NtAdjustPrivilegesToken, NtDuplicateToken, RtlUnhandledExceptionFilter, NtQueryInformationProcess, TpReleaseTimer, NtReplyPort, NtCompleteConnectPort, NtReplyWaitReceivePort, NtAcceptConnectPort, NtCreatePort, NtCreateEvent, RtlNtStatusToDosErrorNoTeb, RtlCopySid, RtlOpenCurrentUser, RtlFreeSid, NtSetSecurityObject, RtlSetSaclSecurityDescriptor, RtlAddMandatoryAce, RtlCreateAcl, RtlCreateSecurityDescriptor, RtlAllocateAndInitializeSid, RtlTimeToSecondsSince1980, TpSetTimer, TpAllocTimer, NtOpenDirectoryObject, NtInitiatePowerAction, RtlFreeUnicodeString, RtlDuplicateUnicodeString, NtFilterToken, RtlEqualSid, RtlLeaveCriticalSection, DbgBreakPoint, NtSetInformationProcess, DbgPrint, RtlFreeHeap, RtlAllocateHeap, NtOpenFile, RtlGUIDFromString, RtlStringFromGUID, NtOpenKey, NtEnumerateKey, NtQueryKey, NtQueryAttributesFile, NtUnloadKey, NtLoadKey, RtlSetOwnerSecurityDescriptor, RtlLengthSecurityDescriptor, RtlAddAccessAllowedAceEx, NtCreateKey, NtDeleteValueKey, NtQueryValueKey, NtSetValueKey, NtDeleteKey, LdrGetProcedureAddress, RtlInitAnsiString, LdrGetDllHandle, NtResetEvent, NtWaitForSingleObject, NtDeviceIoControlFile, RtlGetVersion, NtQuerySymbolicLinkObject, NtOpenSymbolicLinkObject, NtAllocateUuids, RtlConnectToSm, RtlSendMsgToSm, WinSqmIsOptedIn, RtlCompareMemory, RtlInitializeResource, RtlAcquireResourceExclusive, RtlReleaseResource, RtlDeleteResource, RtlLockBootStatusData, NtPowerInformation, RtlGetSetBootStatusData, RtlUnlockBootStatusData, RtlRegisterWait, RtlDeregisterWait, RtlGetAce, RtlAppendUnicodeToString, RtlCaptureStackBackTrace, NtSetEvent, NtOpenEvent, NtUnmapViewOfSection, DbgPrintEx, DbgPrompt, NtRequestPort, NtConnectPort, NtRequestWaitReplyPort, NtGetCachedSigningLevel, WinSqmSetString, RtlCopyLuid

powrprof.dll

PowerDeterminePlatformRoleEx, PowerSettingUnregisterNotification, PowerSettingRegisterNotification

psapi.dll

EnumProcessModules, GetModuleBaseNameW

rpcrt4.dll

RpcAsyncInitializeHandle, RpcAsyncCancelCall, RpcMgmtIsServerListening, RpcStringFreeW, RpcStringBindingComposeW, RpcBindingFromStringBindingW, RpcBindingSetAuthInfoExW, UuidFromStringW, NdrAsyncClientCall, RpcServerUnsubscribeForNotification, RpcServerSubscribeForNotification, I_RpcBindingIsClientLocal, RpcServerUnregisterIf, RpcBindingVectorFree, RpcEpUnregister, RpcServerListen, RpcEpRegisterW, RpcServerInqBindings, RpcServerRegisterIfEx, RpcServerUseProtseqW, NdrServerCall2, NdrAsyncServerCall, RpcRaiseException, RpcServerInqCallAttributesW, RpcServerTestCancel, I_RpcMapWin32Status, NdrClientCall2, RpcBindingCreateW, RpcBindingBind, RpcBindingUnbind, RpcBindingFree, I_RpcExceptionFilter, RpcAsyncAbortCall, RpcAsyncCompleteCall, RpcServerUseProtseqEpW, I_RpcBindingInqLocalClientPID, RpcImpersonateClient, RpcRevertToSelf

samcli.dll

NetUserGetInfo, NetUserGetInternetIdentityInfo

secur32.dll

LsaCallAuthenticationPackage, LsaFreeReturnBuffer, SeciAllocateAndSetIPAddress, SeciAllocateAndSetCallFlags, LsaLogonUser, SeciFreeCallContext, LsaRegisterLogonProcess, LsaLookupAuthenticationPackage, LsaGetLogonSessionData, ChangeAccountPasswordW, GetUserNameExW

user32.dll

CloseDesktop, FindWindowW, EnumWindows, RealGetWindowClassW, ShowWindow, DialogBoxParamW, GetDlgItemTextW, EndDialog, LoadImageW, GetDlgItem, SetThreadDesktop, LockWindowStation, UnlockWindowStation, SetWindowStationUser, UpdatePerUserSystemParameters, GetUserObjectInformationW, OpenInputDesktop, MessageBoxW, GetSystemMetrics, ExitWindowsEx, GetAsyncKeyState, CancelShutdown, CreateDesktopW, SystemParametersInfoW, GetKeyState, GetLastInputInfo, SetForegroundWindow, SetWindowPos, GetDesktopWindow, GetParent, GetWindowLongW, SwitchDesktopWithFade, LoadLocalFonts, RegisterLogonProcess, GetWindowRect, LoadStringW, SendMessageW, CreateWindowStationW, SetProcessWindowStation, CloseWindowStation, SetUserObjectSecurity, SwitchDesktop, EnumDisplayDevicesW, WaitForInputIdle, DwmLockScreenUpdates, LoadCursorW, CopyIcon, SetSystemCursor, DestroyCursor, RegisterSessionProcess

userenv.dll

GetUserProfileDirectoryW, GetAllUsersProfileDirectoryW

winsta.dll

WinStationGetUserCredentials, WinStationDisconnect, WinStationIsSessionRemoteable, _WinStationWaitForConnect, WinStationIsSessionPermitted, WinStationQueryInformationW, WinStationFreeMemory, WinStationNegotiateSession, WinStationFreeUserCredentials, WinStationReportUIResult, WinStationRedirectErrorMessage, WinStationPreCreateGlassReplacementSession, WinStationTerminateGlassReplacementSession

wtsapi32.dll

WTSQuerySessionInformationW, WTSFreeMemory

winlogon.exe

Windows Logon Application by Microsoft

Remove winlogon.exe

Version:	5.1.2600.5512 (xpsp.080413-2113)
MD5:	cfb4ff5fd540bbcbd1134166c5ec7e47
SHA1:	b101dbab626481304690f7df075c0054b6793d6b
SHA256:	b68e2b9702fc750326e3cebd23ee6acb933411295a3a352ec5073d9f405089b6

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

What is winlogon.exe?

Winlogon is the component of Windows that is responsible for handling the secure attention sequence, loading the user profile on logon, and optionally locking the computer when a screensaver is running (requiring another authentication step).

About winlogon.exe (from Microsoft)

“Winlogon handles interface functions that are independent of authentication policy. It creates the desktops for the window station, implements time-out operations, and provides a set of support functi”

Details

File name:	winlogon.exe
Publisher:	Microsoft Corporation
Product name:	Windows Logon Application
Description:	Microsoft® Windows® Operating System
Typical file path:	C:\Windows\System32\winlogon.exe
Original name:	WINLOGON.EXE.MUI
File version:	5.1.2600.5512 (xpsp.080413-2113)
Product version:	5.1.2600.5512
Size:	548 KB (561,152 bytes)
Digital DNA
Entropy:	6.338183
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\winlogon.exe'

Resource utilization

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

Averages

CPU
Total CPU:	0.00000041%	0.028634%
Kernel CPU:	0.00000025%	0.013761%
User CPU:	0.00000016%	0.014873%
Kernel CPU time:	703,125 ms/min	100,923,805ms/min
Memory
Private memory:	5.7 MB	21.59 MB
Private (maximum):	3.35 MB
Private (minimum):	356 KB
Non-paged memory:	5.7 MB	21.59 MB
Virtual memory:	58.64 MB	140.96 MB
Virtual memory (peak):	65.15 MB	169.69 MB
Working set:	2.36 MB	18.61 MB
Working set (peak):	10.52 MB	37.95 MB
Resource allocations
Threads:	17	12
Handles:	309	600
GUI GDI count:	67	103
GUI USER count:	13	49

Process properties

Integrety level:	Undefined
Platform:	32-bit
Command line:	winlogon.exe
Owner:	User
Parent process:	smss.exe (by Microsoft)

Distribution by Windows OS

OS version	distribution
Windows 8.1	23.00%
Windows 7 Home Premium	23.00%
Windows 8.1 Pro	10.50%
Windows 7 Ultimate	10.50%
Windows 8	5.50%
Windows 8.1 Single Language	5.00%
Windows 8 Single Language	3.50%
Windows 8 Pro	3.50%
Windows 8.1 Pro with Media Center	2.50%
Windows Vista Home Premium	2.50%
Windows 7 Professional	2.50%
Windows 7 Home Basic	1.50%
Windows 8 Enterprise N	1.00%
Windows 8 Enterprise	1.00%
Windows 8.1 N	0.50%
Windows Seven Black Edition	0.50%
Windows 8.1 Enterprise Evaluation	0.50%
Windows 7 Starter	0.50%
Windows 8.1 Enterprise	0.50%
Windows 8.1 Pro Preview	0.50%
Windows Vista Home Basic	0.50%
23 other Windows OS version

Distribution by country

United States installs about 39.50% of Windows Logon Application.

Distribution by PC manufacturer

PC Manufacturer	distribution
ASUS	19.62%
Dell	18.11%
Hewlett-Packard	14.72%
Lenovo	12.08%
Acer	11.70%
Toshiba	9.06%
Intel	3.02%
Sony	3.02%
GIGABYTE	2.64%
Alienware	2.26%
Samsung	1.89%
Medion	1.51%
Sahara	0.38%

Remove Adware and Spyware Programs, FREE Download!

Should I block it?

Additional versions

Relationships

PE file structure

winlogon.exe

Windows Logon Application by Microsoft

What is winlogon.exe?

About winlogon.exe (from Microsoft)

Details

Behaviors

Resource utilization

Process properties

Distribution by Windows OS

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