Windows 10 DLL File Information - wuuhext.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 Agent plugin for Windows
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:	291 KB
Total Number of Exported Functions:	4
Total Number of Exported Functions With Names:	4

Section Headers

Name	Virtual Address	Raw Data Size	% of File	Characteristics	Section Contains...
.text	0x00001000	248,320 Bytes	83.2%	Read, Execute	Code
.wpp_sf	0x0003e000	4,608 Bytes	1.5%	Read, Execute	Code
.data	0x00040000	19,456 Bytes	6.5%	Write, Read	Initialized Data
.idata	0x00047000	8,192 Bytes	2.7%	Read	Initialized Data
.didat	0x00049000	512 Bytes	0.2%	Write, Read	Initialized Data
.rsrc	0x0004a000	1,536 Bytes	0.5%	Read	Initialized Data
.reloc	0x0004b000	14,848 Bytes	5.0%	Read, Discardable	Initialized Data

Static Linking

wuuhext.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-core-file-l1-2-1.dll
api-ms-win-core-file-l2-1-1.dll
api-ms-win-core-registry-l1-1-0.dll
api-ms-win-core-com-l1-1-1.dll
OLEAUT32.dll
api-ms-win-core-synch-l1-2-1.dll
api-ms-win-core-handle-l1-1-0.dll
api-ms-win-core-string-l1-1-0.dll
api-ms-win-devices-config-l1-1-1.dll
RPCRT4.dll
CRYPT32.dll
api-ms-win-core-heap-l2-1-0.dll
api-ms-win-core-debug-l1-1-1.dll
api-ms-win-core-heap-l1-2-0.dll
api-ms-win-core-timezone-l1-1-0.dll
api-ms-win-core-file-l2-1-2.dll
api-ms-win-security-base-l1-2-0.dll
api-ms-win-core-memory-l1-1-2.dll
api-ms-win-core-shlwapi-legacy-l1-1-0.dll
api-ms-win-core-shlwapi-obsolete-l1-2-0.dll
api-ms-win-devices-query-l1-1-1.dll
CRYPTSP.dll
SETUPAPI.dll
WINSPOOL.DRV
msi.dll
newdev.dll
Cabinet.dll
api-ms-win-core-delayload-l1-1-1.dll
api-ms-win-core-localization-obsolete-l1-3-0.dll
WINTRUST.dll

This means that when wuuhext.dll is loaded, the above files are automatically loaded too. If one of these files is corrupted or missing, wuuhext.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	0	0 Bytes	0.0%
Type Libraries	0	0 Bytes	0.0%
Manifest	0	0 Bytes	0.0%
All Others	1	952 Bytes	0.3%
Total	1	952 Bytes	0.3%

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)

No string resources in this file.

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:

WUCreateDriverUtil

WUCreateExpressionEvaluator

WUCreateUpdateHandler

WUGetHardwareIdInfo

Imported Functions List

The following functions are imported by this dll:

• msvcrt.dll:
  

  _XcptFilter	__dllonexit	_amsg_exit	_callnewh
  _except_handler4_common	_ftol2	_initterm	_lock
  _onexit	_purecall	_unlock	_vsnwprintf
  _wcsicmp	_wcsnicmp	_wtoi	_wtoi64
  _wtol	free	malloc	memcmp
  memcpy	memcpy_s	memmove	memset
  qsort	wcsrchr	wcstoul

• 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!FreeLibrary	KernelBase!FreeLibraryAndExitThread
  KernelBase!GetModuleFileNameW	KernelBase!GetProcAddress	KernelBase!LoadLibraryExW

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

  KernelBase!CreateEventW	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:
  

  kernel32!CreateProcessW	kernel32!CreateThread	kernel32!GetCurrentProcess	kernel32!GetCurrentProcessId
  kernel32!GetCurrentThreadId	kernel32!GetExitCodeProcess	kernel32!GetExitCodeThread	kernel32!TerminateProcess

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

  KernelBase!GetNativeSystemInfo	KernelBase!GetSystemDirectoryW	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

• api-ms-win-core-file-l1-2-1.dll:
  

  KernelBase!CreateDirectoryW	KernelBase!CreateFileW	KernelBase!DeleteFileW
  KernelBase!FindClose	KernelBase!FindFirstFileW	KernelBase!FindNextFileW
  KernelBase!GetCompressedFileSizeW	KernelBase!GetDiskFreeSpaceW	KernelBase!GetDriveTypeW
  KernelBase!GetFileAttributesExW	KernelBase!GetFileAttributesW	KernelBase!GetFileSizeEx
  KernelBase!GetFileType	KernelBase!GetVolumePathNameW	KernelBase!ReadFile
  KernelBase!RemoveDirectoryW	KernelBase!SetFileAttributesW	KernelBase!SetFilePointer
  KernelBase!WriteFile

• api-ms-win-core-file-l2-1-1.dll:
  

  KernelBase!MoveFileExW

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

  KernelBase!RegCloseKey	KernelBase!RegCreateKeyExW	KernelBase!RegDeleteKeyExW	KernelBase!RegEnumValueW
  KernelBase!RegOpenKeyExW	KernelBase!RegQueryInfoKeyW	KernelBase!RegQueryValueExW	KernelBase!RegSetValueExW

• api-ms-win-core-com-l1-1-1.dll:
  

  combase!CoCreateGuid	combase!CoCreateInstance	combase!CoDisconnectContext	combase!CoDisconnectObject
  combase!CoInitializeEx	combase!CoRegisterClassObject	combase!CoRevokeClassObject	combase!CoTaskMemAlloc
  combase!CoTaskMemFree	combase!CoTaskMemRealloc	combase!CoUninitialize	combase!IIDFromString
  combase!StringFromGUID2

• OLEAUT32.dll:
  

  SysAllocString	SysAllocStringByteLen	SysAllocStringLen	SysFreeString
  SysStringByteLen	SysStringLen	VariantChangeType	VariantClear
  VariantInit

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

  KernelBase!WaitForMultipleObjects

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

  KernelBase!CloseHandle

  KernelBase!DuplicateHandle

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

  KernelBase!CompareStringOrdinal	KernelBase!CompareStringW	KernelBase!MultiByteToWideChar
  KernelBase!WideCharToMultiByte

• api-ms-win-devices-config-l1-1-1.dll:
  

  cfgmgr32!CM_Get_DevNode_Status

  cfgmgr32!CM_Locate_DevNodeW

• RPCRT4.dll:
  

  RpcStringFreeA	RpcStringFreeW	UuidCreate	UuidFromStringW
  UuidToStringA	UuidToStringW

• CRYPT32.dll:
  

  CertCloseStore	CertControlStore	CertFindCertificateInStore
  CertFreeCertificateContext	CertGetCertificateContextProperty	CertGetEnhancedKeyUsage
  CertOpenStore	CertVerifyCertificateChainPolicy	CryptHashPublicKeyInfo
  CryptUnprotectData

• api-ms-win-core-heap-l2-1-0.dll:
  

  KernelBase!LocalFree

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

  KernelBase!DebugBreak

  KernelBase!IsDebuggerPresent

• api-ms-win-core-heap-l1-2-0.dll:
  

  KernelBase!GetProcessHeap

  ntdll!RtlAllocateHeap

  ntdll!RtlFreeHeap

  ntdll!RtlReAllocateHeap

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

  KernelBase!FileTimeToSystemTime

  KernelBase!SystemTimeToFileTime

• api-ms-win-core-file-l2-1-2.dll:
  

  KernelBase!CopyFileW

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

  KernelBase!AllocateAndInitializeSid	KernelBase!CheckTokenMembership	KernelBase!DuplicateTokenEx
  KernelBase!FreeSid	KernelBase!GetTokenInformation

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

  KernelBase!CreateFileMappingW

  KernelBase!MapViewOfFile

  KernelBase!UnmapViewOfFile

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

  KernelBase!PathFindExtensionW	KernelBase!PathIsRelativeW	KernelBase!PathIsRootW	KernelBase!PathIsUNCW
  KernelBase!PathStripToRootW

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

  KernelBase!StrChrW

  KernelBase!StrRChrW

• api-ms-win-devices-query-l1-1-1.dll:
  

  cfgmgr32!DevFreeObjectProperties

  cfgmgr32!DevGetObjectProperties

• CRYPTSP.dll:
  

  CryptAcquireContextW	CryptCreateHash	CryptDestroyHash	CryptGetHashParam
  CryptHashData	CryptReleaseContext

• SETUPAPI.dll:
  

  SetupCloseInfFile	SetupDiBuildDriverInfoList	SetupDiCallClassInstaller
  SetupDiCreateDeviceInfoList	SetupDiDestroyDeviceInfoList	SetupDiEnumDeviceInfo
  SetupDiEnumDriverInfoW	SetupDiGetClassDevsW	SetupDiGetDeviceInstallParamsW
  SetupDiGetDeviceInstanceIdW	SetupDiGetDevicePropertyW	SetupDiGetDriverInfoDetailW
  SetupDiGetDriverInstallParamsW	SetupDiGetSelectedDriverW	SetupDiOpenDeviceInfoW
  SetupDiSetDeviceInstallParamsW	SetupFindFirstLineW	SetupGetInfDriverStoreLocationW
  SetupGetLineByIndexW	SetupGetLineTextW	SetupGetStringFieldW
  SetupOpenInfFileW

• WINSPOOL.DRV:
  

  ClosePrinter

  EnumPrinterDriversW

  GetPrinterDataW

  OpenPrinterW

• msi.dll:
  

  MsiApplyMultiplePatchesW	MsiCloseHandle	MsiConfigureProductExW	MsiCreateRecord
  MsiDeterminePatchSequenceW	MsiEnumPatchesExW	MsiFormatRecordW	MsiGetPatchInfoExW
  MsiGetProductInfoExW	MsiInstallProductW	MsiQueryComponentStateW	MsiQueryFeatureStateExW
  MsiRecordGetFieldCount	MsiRecordGetInteger	MsiRecordGetStringW	MsiRecordIsNull
  MsiRecordSetInteger	MsiRecordSetStringW	MsiRemovePatchesW	MsiSetExternalUIRecord
  MsiSetInternalUI	MsiSourceListAddSourceExW	MsiSourceListClearSourceW	MsiSourceListSetInfoW

• newdev.dll:
  

  InstallWindowsUpdateDriverEx

  InstallWindowsUpdateDrivers

  QueryWindowsUpdateDriverStatus

• Cabinet.dll:
  

  FDICopy

  FDICreate

  FDIDestroy

  FDIIsCabinet

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

  KernelBase!DelayLoadFailureHook

  KernelBase!ResolveDelayLoadedAPI

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

  KernelBase!CompareStringA

• WINTRUST.dll:
  

  CryptCATHandleFromStore	WTHelperGetProvCertFromChain	WTHelperGetProvSignerFromChain
  WinVerifyTrust