Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 3.45%
6.2.9200.16384 (win8_rtm.120725-1247) 24.14%
6.1.7600.16385 (win7_rtm.090713-1255) 27.59%
6.1.7600.16385 (win7_rtm.090713-1255) 44.83%

Relationships


PE structurePE file structure

Show functions
Import table
api-ms-win-core-errorhandling-l1-1-0.dll
UnhandledExceptionFilter, GetLastError, SetUnhandledExceptionFilter
api-ms-win-core-file-l1-1-0.dll
FindFirstVolumeW, FindNextVolumeW, FindVolumeClose, GetDriveTypeW, CreateFileW, GetVolumeInformationW, GetVolumePathNameW
api-ms-win-core-handle-l1-1-0.dll
CloseHandle
api-ms-win-core-heap-l1-1-0.dll
HeapDestroy
api-ms-win-core-interlocked-l1-1-0.dll
InterlockedIncrement, InterlockedCompareExchange, InitializeSListHead, InterlockedExchange, InterlockedDecrement, InterlockedPopEntrySList, InterlockedPushEntrySList
api-ms-win-core-io-l1-1-0.dll
DeviceIoControl
api-ms-win-core-libraryloader-l1-1-0.dll
GetProcAddress, GetModuleFileNameW, FreeLibrary, SizeofResource, LoadResource, LoadLibraryExW, LoadStringW, LoadLibraryExA, GetModuleHandleW
api-ms-win-core-localregistry-l1-1-0.dll
RegEnumValueW, RegQueryInfoKeyW, RegSetValueExW, RegDeleteValueW, RegOpenKeyExW, RegCreateKeyExW, RegCloseKey, RegEnumKeyExW
api-ms-win-core-memory-l1-1-0.dll
VirtualProtect, VirtualAlloc, VirtualQuery
api-ms-win-core-misc-l1-1-0.dll
Sleep, lstrlenW, lstrcmpiW, LocalFree, lstrlenA, lstrcpynW
api-ms-win-core-processthreads-l1-1-0.dll
OpenThreadToken, CreateThread, GetCurrentThreadId, TerminateProcess, GetCurrentProcess, GetCurrentProcessId, OpenProcessToken
api-ms-win-core-profile-l1-1-0.dll
QueryPerformanceCounter
api-ms-win-core-string-l1-1-0.dll
MultiByteToWideChar
api-ms-win-core-synch-l1-1-0.dll
SetEvent, CancelWaitableTimer, SetWaitableTimer, InitializeCriticalSectionAndSpinCount, CreateEventW, DeleteCriticalSection, InitializeCriticalSection, WaitForSingleObject, ResetEvent, EnterCriticalSection, LeaveCriticalSection
api-ms-win-core-sysinfo-l1-1-0.dll
GetSystemTimeAsFileTime, GetTickCount, GetSystemDirectoryW, GetSystemInfo, GetVersionExW
api-ms-win-security-base-l1-1-0.dll
AdjustTokenPrivileges, DuplicateTokenEx, GetTokenInformation, InitializeSecurityDescriptor, CreateWellKnownSid, SetSecurityDescriptorOwner, SetSecurityDescriptorGroup, SetSecurityDescriptorDacl, CheckTokenMembership
api-ms-win-service-core-l1-1-0.dll
RegisterServiceCtrlHandlerExW, SetServiceStatus
api-ms-win-service-management-l1-1-0.dll
OpenServiceW, DeleteService, OpenSCManagerW, CreateServiceW, CloseServiceHandle
api-ms-win-service-management-l2-1-0.dll
ChangeServiceConfig2W
kernel32.dll
GetDiskFreeSpaceW, GetLocalTime, GetFileInformationByHandle, ReadFile, RegDeleteTreeW, MoveFileExW, GetFileAttributesW, DeleteFileW, CreateDirectoryW, ExpandEnvironmentStringsW, SetLastError, FindClose, FindNextFileW, FindFirstFileW, GetCurrentThread, TlsAlloc, TlsGetValue, RegQueryValueExW, TlsSetValue, TlsFree, FormatMessageW, DelayLoadFailureHook, GetVolumeNameForVolumeMountPointW, FindResourceW, GetVolumePathNamesForVolumeNameW, WaitForMultipleObjects, SleepConditionVariableCS, PowerClearRequest, WakeAllConditionVariable, InitializeConditionVariable, PowerSetRequest, PowerCreateRequest, lstrcpyW, LoadLibraryW, lstrcatW, CreateWaitableTimerW
msvcrt.dll
DllMain
ntdll.dll
RtlInsertElementGenericTableAvl, RtlDeleteElementGenericTableAvl, RtlEnumerateGenericTableAvl, RtlInitializeGenericTableAvl, RtlInitializeBitMap, RtlSetBits, NtWaitForSingleObject, NtFsControlFile, RtlFindSetBits, RtlFindClearBits, RtlFindClearRuns, RtlClearBits, RtlFindNextForwardRunClear, NtSetInformationThread, NtQueryInformationFile, NtOpenFile, NtQueryDirectoryFile, RtlInitUnicodeString, NtSetInformationProcess, RtlGetLastNtStatus, RtlNtStatusToDosError, EtwTraceMessage, RtlFreeHeap, RtlSetThreadErrorMode, RtlCaptureStackBackTrace, RtlAllocateHeap, EtwGetTraceEnableFlags, EtwGetTraceEnableLevel, EtwGetTraceLoggerHandle, EtwRegisterTraceGuidsW, EtwUnregisterTraceGuids, WinSqmSetDWORD
sxshared.dll
SxTracerShouldTrackFailure, SxTracerDebuggerBreak, SxTracerGetThreadContextRetail
user32.dll
RegisterDeviceNotificationW, UnregisterDeviceNotification, CharPrevW, CharNextW
Export table
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
ServiceMain

defragsvc.dll

Microsoft\Disk Defragmenter by Microsoft

Remove defragsvc.dll
Version:   6.1.7600.16385 (win7_rtm.090713-1255)
MD5:   3cec7631a84943677aa8fa8ee5b6b43d
SHA1:   1a0f76793cd258b05224a94e7ee2143a9dcb8506
SHA256:   32061dac9ed6c1eba3b367b18d0e965aeec2df635dcf794ec39d086d32503ac5
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is defragsvc.dll?

Disk Defragmenter is a utility in Microsoft Windows designed to increase access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique called defragmentation. Defragmenting a disk minimizes head travel, which reduces the time it takes to read files from and write files to the disk. Beginning with Windows XP, Disk Defragmenter also reduces system startup times.

About defragsvc.dll (from Microsoft)

Disk Defragmenter consolidates fragmented files and folders on your computer's hard disk, so that each occupies a single, contiguous space on the volume As a result, your system can gain access to y

DetailsDetails

File name:defragsvc.dll
Publisher:Microsoft Corporation
Product name:Microsoft\Disk Defragmenter
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\defragsvc.dll
Original name:defragsvc.dll.mui
File version:6.1.7600.16385 (win7_rtm.090713-1255)
Product version:6.1.7600.16385
Size:284.5 KB (291,328 bytes)
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

Hosted services
Runs as a shared service under the Windows svcHost
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'
  • Shared name is 'defragsvc'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 52.38%
Windows 7 Professional 23.81%
Windows 7 Ultimate 9.52%
Windows 7 Ultimate N 9.52%
Windows 7 Starter 4.76%

Distribution by countryDistribution by country

United States installs about 61.90% of Microsoft\Disk Defragmenter.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 29.41%
ASUS 23.53%
Dell 11.76%
GIGABYTE 11.76%
Toshiba 11.76%
Acer 11.76%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

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