Windows 10 DLL File Information - defragsvc.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:	Microsoft\Drive Optimizer
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:	386 KB
Total Number of Exported Functions:	5
Total Number of Exported Functions With Names:	5

Section Headers

Name	Virtual Address	Raw Data Size	% of File	Characteristics	Section Contains...
.text	0x00001000	365,568 Bytes	92.4%	Read, Execute	Code
.data	0x0005b000	512 Bytes	0.1%	Write, Read	Initialized Data
.idata	0x0005f000	8,704 Bytes	2.2%	Read	Initialized Data
.didat	0x00062000	512 Bytes	0.1%	Write, Read	Initialized Data
.rsrc	0x00063000	3,072 Bytes	0.8%	Read	Initialized Data
.reloc	0x00064000	16,384 Bytes	4.1%	Read, Discardable	Initialized Data

Static Linking

defragsvc.dll is statically linked to the following files:

msvcrt.dll
ntdll.dll
OLEAUT32.dll
api-ms-win-core-file-l1-2-1.dll
api-ms-win-core-sysinfo-l1-2-1.dll
api-ms-win-core-io-l1-1-1.dll
api-ms-win-core-errorhandling-l1-1-1.dll
api-ms-win-core-synch-l1-2-0.dll
api-ms-win-eventing-provider-l1-1-0.dll
api-ms-win-core-processthreads-l1-1-2.dll
api-ms-win-core-handle-l1-1-0.dll
api-ms-win-core-interlocked-l1-2-0.dll
api-ms-win-core-registry-l1-1-0.dll
api-ms-win-core-libraryloader-l1-2-0.dll
api-ms-win-core-string-l2-1-0.dll
api-ms-win-core-memory-l1-1-2.dll
api-ms-win-core-string-l1-1-0.dll
api-ms-win-core-heap-l1-2-0.dll
api-ms-win-service-core-l1-1-1.dll
api-ms-win-service-management-l1-1-0.dll
api-ms-win-service-management-l2-1-0.dll
api-ms-win-security-base-l1-2-0.dll
api-ms-win-core-heap-l2-1-0.dll
api-ms-win-core-profile-l1-1-0.dll
api-ms-win-core-string-obsolete-l1-1-0.dll
api-ms-win-core-kernel32-legacy-l1-1-1.dll
VirtDisk.dll
SXSHARED.dll
api-ms-win-core-localization-l1-2-1.dll
api-ms-win-core-processenvironment-l1-2-0.dll
api-ms-win-core-timezone-l1-1-0.dll
api-ms-win-core-file-l2-1-1.dll
api-ms-win-core-synch-l1-2-1.dll
api-ms-win-core-libraryloader-l1-2-1.dll
api-ms-win-core-delayload-l1-1-1.dll
api-ms-win-eventlog-legacy-l1-1-0.dll
api-ms-win-eventing-controller-l1-1-0.dll

This means that when defragsvc.dll is loaded, the above files are automatically loaded too. If one of these files is corrupted or missing, defragsvc.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	14	670 Bytes	0.2%
Type Libraries	0	0 Bytes	0.0%
Manifest	0	0 Bytes	0.0%
All Others	4	12,147 Bytes	3.1%
Total	18	12,817 Bytes	3.2%

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
101	Optimize drives
102	Helps the computer run more efficiently by optimizing files on storage drives.
800	Microsoft Corporation
801	Microsoft Corporation
802	This task optimizes local storage drives.
803	Drive Optimizer is running.
804	defragmentation
805	boot optimization
806	consolidation
807	shrink
808	shrink estimation
809	analysis
810	retrim
811	slab consolidation

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:

DllCanUnloadNow	DllGetClassObject	DllRegisterServer	DllUnregisterServer
ServiceMain

Imported Functions List

The following functions are imported by this dll:

• msvcrt.dll:
  

  _CxxThrowException

  _XcptFilter

  __CxxFrameHandler

  __dllonexit

  _amsg_exit

  _callnewh

  _except_handler4_common

  _initterm

  _lock

  _onexit

  _purecall

  _unlock

  _vscwprintf

  _vsnwprintf

  _wcsicmp

  _wtoi64

  free

  iswspace

  malloc

  memcmp

  memcpy

  memcpy_s

  memmove

  memset

  public: __thiscall exception::exception(char const * const &)

  public: __thiscall exception::exception(class exception const &)

  public: __thiscall exception::exception(void)

  public: virtual __thiscall exception::~exception(void)

  public: virtual __thiscall type_info::~type_info(void)

  public: virtual char const * __thiscall exception::what(void)const

  qsort

  realloc

  strchr

  swprintf_s

  void __cdecl operator delete(void *)

  void __cdecl operator delete[](void *)

  void __cdecl terminate(void)

  wcscat_s

• ntdll.dll:
  

  EtwGetTraceEnableFlags	EtwGetTraceEnableLevel	EtwGetTraceLoggerHandle
  EtwRegisterTraceGuidsW	EtwTraceMessage	EtwUnregisterTraceGuids
  NtCreateFile	NtFsControlFile	NtOpenFile
  NtQueryDirectoryFile	NtSetInformationProcess	NtSetInformationThread
  NtWaitForSingleObject	RtlAllocateHeap	RtlCaptureStackBackTrace
  RtlClearAllBits	RtlClearBits	RtlDeleteElementGenericTableAvl
  RtlEnumerateGenericTableAvl	RtlFindClearBits	RtlFindLongestRunClear
  RtlFindNextForwardRunClear	RtlFindSetBits	RtlFreeHeap
  RtlGetLastNtStatus	RtlInitUnicodeString	RtlInitializeBitMap
  RtlInitializeGenericTableAvl	RtlInsertElementGenericTableAvl	RtlNtStatusToDosError
  RtlRbInsertNodeEx	RtlRbRemoveNode	RtlSetBits
  RtlSetThreadErrorMode	WinSqmAddToAverageDWORD	WinSqmAddToStreamEx

• OLEAUT32.dll:
  

  SysAllocString

  SysFreeString

  VarUI4FromStr

• api-ms-win-core-file-l1-2-1.dll:
  

  KernelBase!CreateDirectoryW	KernelBase!CreateFileW
  KernelBase!DeleteFileW	KernelBase!FindClose
  KernelBase!FindFirstFileW	KernelBase!FindFirstVolumeW
  KernelBase!FindNextFileW	KernelBase!FindNextVolumeW
  KernelBase!FindVolumeClose	KernelBase!FlushFileBuffers
  KernelBase!GetDiskFreeSpaceW	KernelBase!GetDriveTypeW
  KernelBase!GetFileAttributesW	KernelBase!GetFileInformationByHandle
  KernelBase!GetTempFileNameW	KernelBase!GetVolumeInformationW
  KernelBase!GetVolumeNameForVolumeMountPointW	KernelBase!GetVolumePathNameW
  KernelBase!GetVolumePathNamesForVolumeNameW	KernelBase!ReadFile
  KernelBase!SetEndOfFile	KernelBase!SetFilePointer
  KernelBase!SetFileValidData

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

  KernelBase!GetLocalTime	KernelBase!GetSystemDirectoryW	KernelBase!GetSystemInfo
  KernelBase!GetSystemTimeAsFileTime	KernelBase!GetTickCount	KernelBase!GetTickCount64
  KernelBase!GetVersionExW

• api-ms-win-core-io-l1-1-1.dll:
  

  kernel32!DeviceIoControl

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

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

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

  KernelBase!CancelWaitableTimer	KernelBase!CreateEventW
  KernelBase!CreateWaitableTimerExW	KernelBase!InitializeCriticalSectionAndSpinCount
  KernelBase!ReleaseSemaphore	KernelBase!ResetEvent
  KernelBase!SetEvent	KernelBase!SetWaitableTimer
  KernelBase!Sleep	KernelBase!SleepConditionVariableCS
  KernelBase!WaitForMultipleObjectsEx	KernelBase!WaitForSingleObject
  ntdll!RtlDeleteCriticalSection	ntdll!RtlEnterCriticalSection
  ntdll!RtlInitializeConditionVariable	ntdll!RtlInitializeCriticalSection
  ntdll!RtlLeaveCriticalSection	ntdll!RtlWakeAllConditionVariable

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

  ntdll!EtwEventRegister	ntdll!EtwEventSetInformation	ntdll!EtwEventUnregister	ntdll!EtwEventWrite
  ntdll!EtwEventWriteTransfer

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

  KernelBase!OpenProcessToken	KernelBase!OpenThreadToken	kernel32!CreateThread	kernel32!GetCurrentProcess
  kernel32!GetCurrentProcessId	kernel32!GetCurrentThread	kernel32!GetCurrentThreadId	kernel32!TerminateProcess
  kernel32!TlsAlloc	kernel32!TlsFree	kernel32!TlsGetValue	kernel32!TlsSetValue

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

  KernelBase!CloseHandle

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

  ntdll!RtlInitializeSListHead

  ntdll!RtlInterlockedPopEntrySList

  ntdll!RtlInterlockedPushEntrySList

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

  KernelBase!RegCloseKey	KernelBase!RegCreateKeyExW	KernelBase!RegDeleteTreeW	KernelBase!RegDeleteValueW
  KernelBase!RegEnumKeyExW	KernelBase!RegEnumValueW	KernelBase!RegOpenKeyExW	KernelBase!RegQueryInfoKeyW
  KernelBase!RegQueryValueExW	KernelBase!RegSetValueExW

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

  KernelBase!FindResourceExW	KernelBase!FreeLibrary	KernelBase!GetModuleFileNameW	KernelBase!GetModuleHandleW
  KernelBase!GetProcAddress	KernelBase!LoadLibraryExW	KernelBase!LoadResource	KernelBase!LoadStringW
  KernelBase!SizeofResource

• api-ms-win-core-string-l2-1-0.dll:
  

  KernelBase!CharNextW

  KernelBase!CharPrevW

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

  KernelBase!VirtualAlloc

  KernelBase!VirtualProtect

  KernelBase!VirtualQuery

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

  KernelBase!MultiByteToWideChar

• api-ms-win-core-heap-l1-2-0.dll:
  

  KernelBase!HeapCreate

  KernelBase!HeapDestroy

  ntdll!RtlAllocateHeap

  ntdll!RtlReAllocateHeap

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

  sechost!RegisterServiceCtrlHandlerExW

  sechost!SetServiceStatus

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

  sechost!CloseServiceHandle	sechost!CreateServiceW	sechost!DeleteService	sechost!OpenSCManagerW
  sechost!OpenServiceW

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

  sechost!ChangeServiceConfig2W

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

  KernelBase!AdjustTokenPrivileges	KernelBase!CheckTokenMembership	KernelBase!CreateWellKnownSid
  KernelBase!DuplicateTokenEx	KernelBase!GetTokenInformation	KernelBase!InitializeSecurityDescriptor
  KernelBase!SetSecurityDescriptorDacl	KernelBase!SetSecurityDescriptorGroup	KernelBase!SetSecurityDescriptorOwner

• api-ms-win-core-heap-l2-1-0.dll:
  

  KernelBase!LocalAlloc

  KernelBase!LocalFree

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

  ntdll!RtlQueryPerformanceCounter

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

  kernel32!lstrcmpiW

  kernel32!lstrcpynW

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

  kernel32!PowerClearRequest

  kernel32!PowerCreateRequest

  kernel32!PowerSetRequest

• VirtDisk.dll:
  

  GetStorageDependencyInformation

• SXSHARED.dll:
  

  SxTracerDebuggerBreak

  SxTracerGetThreadContextRetail

  SxTracerShouldTrackFailure

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

  KernelBase!FormatMessageW

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

  KernelBase!ExpandEnvironmentStringsW

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

  KernelBase!SystemTimeToFileTime

• api-ms-win-core-file-l2-1-1.dll:
  

  KernelBase!GetFileInformationByHandleEx

  KernelBase!MoveFileExW

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

  KernelBase!CreateSemaphoreW

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

  KernelBase!LoadLibraryW

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

  KernelBase!DelayLoadFailureHook

  KernelBase!ResolveDelayLoadedAPI

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

  advapi32!DeregisterEventSource

  advapi32!RegisterEventSourceW

  advapi32!ReportEventW

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

  sechost!ControlTraceW

  sechost!EnableTraceEx2

  sechost!StartTraceW