Windows 10 DLL File Information - wuau.dll

The following DLL report was generated by automatic DLL script that scanned and loaded all DLL files in the system32 directory of Windows 10, extracted the information from them, and then saved it into HTML reports. If you want to view a report of another DLL, go to the main page of this Web site.

General Information

File Description:	Windows Update AU
File Version:	10.0.10130.0 (fbl_impressive.150522-2224)
Company:	Microsoft Corporation
Product Name:	Microsoft® Windows® Operating System
DLL popularity	Very Low - There is no any other DLL in system32 directory that is statically linked to this file.
File Size:	617 KB
Total Number of Exported Functions:	3
Total Number of Exported Functions With Names:	3

Section Headers

Name	Virtual Address	Raw Data Size	% of File	Characteristics	Section Contains...
.text	0x00001000	590,848 Bytes	93.4%	Read, Execute	Code
.wpp_sf	0x00092000	4,096 Bytes	0.6%	Read, Execute	Code
.data	0x00093000	1,536 Bytes	0.2%	Write, Read	Initialized Data
.idata	0x00094000	10,240 Bytes	1.6%	Read	Initialized Data
.didat	0x00097000	512 Bytes	0.1%	Write, Read	Initialized Data
.rsrc	0x00098000	1,536 Bytes	0.2%	Read	Initialized Data
.reloc	0x00099000	22,528 Bytes	3.6%	Read, Discardable	Initialized Data

Static Linking

wuau.dll is statically linked to the following files:

msvcrt.dll
api-ms-win-eventing-classicprovider-l1-1-0.dll
api-ms-win-core-libraryloader-l1-2-0.dll
api-ms-win-core-synch-l1-2-0.dll
api-ms-win-core-profile-l1-1-0.dll
api-ms-win-core-processthreads-l1-1-2.dll
api-ms-win-core-sysinfo-l1-2-1.dll
api-ms-win-core-errorhandling-l1-1-1.dll
ntdll.dll
api-ms-win-security-base-l1-2-0.dll
OLEAUT32.dll
RPCRT4.dll
api-ms-win-core-com-l1-1-1.dll
api-ms-win-core-handle-l1-1-0.dll
api-ms-win-core-timezone-l1-1-0.dll
api-ms-win-security-sddl-l1-1-0.dll
api-ms-win-core-heap-l2-1-0.dll
api-ms-win-core-string-l1-1-0.dll
api-ms-win-core-registry-l1-1-0.dll
api-ms-win-core-file-l1-2-1.dll
USERENV.dll
api-ms-win-core-localization-l1-2-1.dll
api-ms-win-core-datetime-l1-1-1.dll
api-ms-win-service-winsvc-l1-2-0.dll
api-ms-win-service-management-l1-1-0.dll
api-ms-win-eventing-provider-l1-1-0.dll
api-ms-win-core-shutdown-l1-1-1.dll
api-ms-win-core-processenvironment-l1-2-0.dll
WINHTTP.dll
api-ms-win-core-debug-l1-1-1.dll
SspiCli.dll
api-ms-win-core-file-l2-1-1.dll
CRYPT32.dll
api-ms-win-core-memory-l1-1-2.dll
api-ms-win-core-heap-l1-2-0.dll
api-ms-win-power-base-l1-1-0.dll
Cabinet.dll
api-ms-win-core-kernel32-legacy-l1-1-1.dll
api-ms-win-core-shlwapi-legacy-l1-1-0.dll
api-ms-win-core-localization-obsolete-l1-3-0.dll
api-ms-win-core-shlwapi-obsolete-l1-2-0.dll
api-ms-win-core-apiquery-l1-1-0.dll
WINTRUST.dll
msi.dll
WMsgAPI.dll
api-ms-win-core-delayload-l1-1-1.dll
api-ms-win-downlevel-kernel32-l1-1-0.dll
UpdatePolicy.dll

This means that when wuau.dll is loaded, the above files are automatically loaded too. If one of these files is corrupted or missing, wuau.dll won't be loaded.

General Resources Information

Resource Type	Number of Items	Total Size	% of File
Icons	0	0 Bytes	0.0%
Animated Icons	0	0 Bytes	0.0%
Cursors	0	0 Bytes	0.0%
Animated Cursors	0	0 Bytes	0.0%
Bitmaps	0	0 Bytes	0.0%
AVI Files	0	0 Bytes	0.0%
Dialog-Boxes	0	0 Bytes	0.0%
HTML Related Files	0	0 Bytes	0.0%
Menus	0	0 Bytes	0.0%
Strings	10	1,272 Bytes	0.2%
Type Libraries	0	0 Bytes	0.0%
Manifest	0	0 Bytes	0.0%
All Others	2	1,100 Bytes	0.2%
Total	12	2,372 Bytes	0.4%

Icons in this file

No icons found in this file

Cursors in this file

No cursors found in this file

Dialog-boxes list (up to 1000 dialogs)

No dialog resources in this file.

String resources in this dll (up to 1000 strings)

String ID	String Text
112	Microsoft Corporation.
115	Initiates scheduled install of updates on the machine.
118	This task is used to display notifications to users.
200	This task is used to install firmware updates on the machine.
201	This task is used to start the Windows Update service when needed to perform scheduled operations such as scans.
5000	Installing update %1!lu! of %2!lu!...
5001	Updates are being installed (%1!lu! of %2!lu!)...
5002	Keep your PC on until this is done; it will turn off automatically.
5003	Keep your PC on until this is done. Installing update %1!lu! of %2!lu!...
5004	Installing update %1!lu! of %2!lu!... Don't turn off your PC.

COM Classes/Interfaces

There is no type library in this file with COM classes/interfaces information

Exported Functions List

The following functions are exported by this dll:

CreateAutomaticUpdatesInstance

DllMain

WUAutoUpdateAtShutdown

Imported Functions List

The following functions are imported by this dll:

• msvcrt.dll:
  

  _XcptFilter	__dllonexit	_amsg_exit	_callnewh
  _except_handler4_common	_ftol2	_ftol2_sse	_initterm
  _lock	_onexit	_purecall	_unlock
  _vsnwprintf	_wcsnicmp	_wtol	free
  iswdigit	malloc	memcmp	memcpy
  memcpy_s	memmove	memset	qsort
  rand	srand	swprintf_s	wcsncmp
  wcsrchr	wcstod	wcstol

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

  ntdll!EtwGetTraceEnableFlags	ntdll!EtwGetTraceEnableLevel	ntdll!EtwGetTraceLoggerHandle	ntdll!EtwRegisterTraceGuidsW
  ntdll!EtwTraceMessageVa	ntdll!EtwUnregisterTraceGuids

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

  KernelBase!DisableThreadLibraryCalls	KernelBase!FindResourceExW	KernelBase!FreeLibrary
  KernelBase!GetModuleFileNameW	KernelBase!GetModuleHandleW	KernelBase!GetProcAddress
  KernelBase!LoadLibraryExW	KernelBase!LoadResource	KernelBase!LockResource

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

  KernelBase!CreateEventW	KernelBase!CreateMutexW	KernelBase!ReleaseMutex
  KernelBase!ResetEvent	KernelBase!SetEvent	KernelBase!Sleep
  KernelBase!WaitForSingleObject	ntdll!RtlDeleteCriticalSection	ntdll!RtlEnterCriticalSection
  ntdll!RtlInitializeCriticalSection	ntdll!RtlLeaveCriticalSection

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

  ntdll!RtlQueryPerformanceCounter

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

  KernelBase!OpenProcessToken	KernelBase!OpenThreadToken	kernel32!CreateProcessAsUserW	kernel32!CreateThread
  kernel32!GetCurrentProcess	kernel32!GetCurrentProcessId	kernel32!GetCurrentThread	kernel32!GetCurrentThreadId
  kernel32!TerminateProcess

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

  KernelBase!GetLocalTime	KernelBase!GetNativeSystemInfo	KernelBase!GetSystemDirectoryW
  KernelBase!GetSystemTime	KernelBase!GetSystemTimeAsFileTime	KernelBase!GetSystemWindowsDirectoryW
  KernelBase!GetTickCount

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

  KernelBase!GetLastError	KernelBase!RaiseException	KernelBase!SetUnhandledExceptionFilter
  KernelBase!UnhandledExceptionFilter	ntdll!RtlRestoreLastWin32Error

• ntdll.dll:
  

  RtlGetVersion	RtlPublishWnfStateData	WinSqmAddToAverageDWORD	WinSqmAddToAverageDWORD
  WinSqmAddToAverageDWORD	WinSqmAddToStream

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

  KernelBase!AddAccessAllowedAce	KernelBase!AdjustTokenPrivileges	KernelBase!AllocateAndInitializeSid
  KernelBase!CheckTokenMembership	KernelBase!CopySid	KernelBase!DuplicateTokenEx
  KernelBase!EqualSid	KernelBase!FreeSid	KernelBase!GetLengthSid
  KernelBase!GetTokenInformation	KernelBase!ImpersonateLoggedOnUser	KernelBase!ImpersonateSelf
  KernelBase!InitializeAcl	KernelBase!InitializeSecurityDescriptor	KernelBase!IsValidSid
  KernelBase!RevertToSelf	KernelBase!SetSecurityDescriptorDacl

• OLEAUT32.dll:
  

  SafeArrayAccessData	SafeArrayCreate	SafeArrayDestroy	SafeArrayGetLBound
  SafeArrayGetUBound	SafeArrayGetVartype	SafeArrayLock	SafeArrayUnaccessData
  SafeArrayUnlock	SysAllocString	SysAllocStringByteLen	SysAllocStringLen
  SysFreeString	SysStringByteLen	SysStringLen	VariantChangeType
  VariantClear	VariantCopy	VariantInit

• RPCRT4.dll:
  

  I_RpcBindingInqTransportType	I_RpcExceptionFilter	I_RpcMapWin32Status	NdrClientCall4
  RpcBindingBind	RpcBindingCreateW	RpcBindingFree	RpcBindingFromStringBindingW
  RpcStringBindingComposeW	RpcStringFreeA	RpcStringFreeW	UuidCreate
  UuidToStringA	UuidToStringW

• api-ms-win-core-com-l1-1-1.dll:
  

  combase!CoCreateGuid	combase!CoCreateInstance	combase!CoDisconnectContext	combase!CoDisconnectObject
  combase!CoImpersonateClient	combase!CoInitializeEx	combase!CoRegisterClassObject	combase!CoRevertToSelf
  combase!CoRevokeClassObject	combase!CoSwitchCallContext	combase!CoTaskMemAlloc	combase!CoTaskMemFree
  combase!CoUninitialize	combase!IIDFromString	combase!StringFromCLSID	combase!StringFromGUID2

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

  KernelBase!CloseHandle

  KernelBase!DuplicateHandle

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

  KernelBase!FileTimeToSystemTime	KernelBase!GetTimeZoneInformation
  KernelBase!SystemTimeToFileTime	KernelBase!SystemTimeToTzSpecificLocalTime

• api-ms-win-security-sddl-l1-1-0.dll:
  

  sechost!ConvertSidToStringSidW

  sechost!ConvertStringSecurityDescriptorToSecurityDescriptorW

  sechost!ConvertStringSidToSidW

• api-ms-win-core-heap-l2-1-0.dll:
  

  KernelBase!GlobalFree

  KernelBase!LocalAlloc

  KernelBase!LocalFree

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

  KernelBase!CompareStringW

  KernelBase!MultiByteToWideChar

  KernelBase!WideCharToMultiByte

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

  KernelBase!RegCloseKey	KernelBase!RegCreateKeyExW	KernelBase!RegDeleteKeyExW	KernelBase!RegDeleteValueW
  KernelBase!RegEnumKeyExW	KernelBase!RegOpenCurrentUser	KernelBase!RegOpenKeyExW	KernelBase!RegQueryValueExW
  KernelBase!RegSetValueExW

• api-ms-win-core-file-l1-2-1.dll:
  

  KernelBase!CompareFileTime	KernelBase!CreateDirectoryW	KernelBase!CreateFileW
  KernelBase!DeleteFileW	KernelBase!FileTimeToLocalFileTime	KernelBase!FindClose
  KernelBase!FindFirstFileW	KernelBase!FindNextFileW	KernelBase!FlushFileBuffers
  KernelBase!GetCompressedFileSizeW	KernelBase!GetDiskFreeSpaceW	KernelBase!GetDriveTypeW
  KernelBase!GetFileAttributesExW	KernelBase!GetFileAttributesW	KernelBase!GetFileSize
  KernelBase!GetFileSizeEx	KernelBase!GetFileTime	KernelBase!GetFileType
  KernelBase!GetVolumePathNameW	KernelBase!LocalFileTimeToFileTime	KernelBase!ReadFile
  KernelBase!RemoveDirectoryW	KernelBase!SetEndOfFile	KernelBase!SetFileAttributesW
  KernelBase!SetFilePointer	KernelBase!SetFileTime	KernelBase!WriteFile

• USERENV.dll:
  

  CreateEnvironmentBlock

  DestroyEnvironmentBlock

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

  KernelBase!FormatMessageW

  KernelBase!GetSystemDefaultLCID

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

  KernelBase!GetDateFormatW

  KernelBase!GetTimeFormatW

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

  sechost!QueryServiceStatus

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

  sechost!CloseServiceHandle

  sechost!OpenSCManagerW

  sechost!OpenServiceW

• api-ms-win-eventing-provider-l1-1-0.dll:
  

  ntdll!EtwEventWrite

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

  advapi32!InitiateShutdownW

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

  KernelBase!ExpandEnvironmentStringsW

• WINHTTP.dll:
  

  WinHttpCloseHandle	WinHttpConnect	WinHttpCrackUrl
  WinHttpGetDefaultProxyConfiguration	WinHttpOpen	WinHttpOpenRequest
  WinHttpQueryAuthSchemes	WinHttpQueryHeaders	WinHttpQueryOption
  WinHttpReadData	WinHttpReceiveResponse	WinHttpSendRequest
  WinHttpSetOption	WinHttpSetTimeouts

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

  KernelBase!DebugBreak

  KernelBase!OutputDebugStringW

• SspiCli.dll:
  

  GetUserNameExW

• api-ms-win-core-file-l2-1-1.dll:
  

  KernelBase!MoveFileExW

• CRYPT32.dll:
  

  CertFreeCertificateChain	CertFreeCertificateContext	CertGetCertificateChain
  CertGetCertificateContextProperty	CertGetEnhancedKeyUsage	CertVerifyCertificateChainPolicy
  CryptHashPublicKeyInfo	CryptProtectData	CryptUnprotectData

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

  KernelBase!CreateFileMappingW

  KernelBase!MapViewOfFile

  KernelBase!UnmapViewOfFile

• api-ms-win-core-heap-l1-2-0.dll:
  

  KernelBase!GetProcessHeap

  ntdll!RtlAllocateHeap

  ntdll!RtlFreeHeap

  ntdll!RtlReAllocateHeap

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

  powrprof!CallNtPowerInformation

• Cabinet.dll:
  

  CloseDecompressor	CreateDecompressor	Decompress	FDICopy
  FDICreate	FDIDestroy	FDIIsCabinet

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

  kernel32!GetSystemPowerStatus

  kernel32!PowerClearRequest

  kernel32!PowerCreateRequest

  kernel32!PowerSetRequest

• api-ms-win-core-shlwapi-legacy-l1-1-0.dll:
  

  KernelBase!PathIsRelativeW

  KernelBase!PathIsRootW

  KernelBase!PathIsUNCW

  KernelBase!PathStripToRootW

• api-ms-win-core-localization-obsolete-l1-3-0.dll:
  

  KernelBase!CompareStringA

  KernelBase!GetSystemDefaultUILanguage

  KernelBase!GetUserDefaultUILanguage

• api-ms-win-core-shlwapi-obsolete-l1-2-0.dll:
  

  KernelBase!StrChrW

  KernelBase!StrRChrW

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

  ntdll!ApiSetQueryApiSetPresence

• WINTRUST.dll:
  

  CryptCATHandleFromStore	WTHelperGetProvCertFromChain	WTHelperGetProvSignerFromChain
  WinVerifyTrust

• msi.dll:
  

  MsiEnumProductsW

  MsiGetProductInfoW

  MsiQueryProductStateW

• WMsgAPI.dll:
  

  WmsgPostNotifyMessage

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

  KernelBase!DelayLoadFailureHook

  KernelBase!ResolveDelayLoadedAPI

• api-ms-win-downlevel-kernel32-l1-1-0.dll:
  

  KernelBase!GetComputerNameExW

• UpdatePolicy.dll:
  

  ReadPolicy