Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 0.72%
5.1.2600.5512 (xpsp.080413-2108) 79.50%
5.1.2600.5512 (xpsp.080413-2108) 0.36%
5.1.2600.5512 (xpsp.080413-2108) 0.72%
5.1.2600.3311 (xpsp.080212-0003) 0.36%
5.1.2600.3300 (xpsp.080125-2027) 0.36%
5.1.2600.3244 (xpsp.071030-1534) 0.36%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 17.63%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
LsaEnumerateAccountRights, GetSidIdentifierAuthority, GetSidSubAuthorityCount, GetSidSubAuthority, WmiOpenBlock, WmiCloseBlock, WmiQueryAllDataW, AccessCheck, AddAce, OpenProcessToken, GetSecurityDescriptorDacl, GetSecurityInfo, SetEntriesInAclW, SetSecurityInfo, RegOpenKeyExA, GetUserNameW, LookupAccountSidW, LsaStorePrivateData, LsaRetrievePrivateData, CreateProcessAsUserW, ImpersonateLoggedOnUser, GetKernelObjectSecurity, RegisterEventSourceW, GetFileSecurityW, GetSecurityDescriptorOwner, DeregisterEventSource, RegConnectRegistryW, IsTokenRestricted, EqualSid, LogonUserW, LsaQueryInformationPolicy, CopySid, LookupAccountNameW, GetTokenInformation, CryptGetHashParam, CryptReleaseContext, CryptAcquireContextW, CryptGenKey, CryptDestroyKey, RegCloseKey, RegQueryValueExW, RegOpenKeyW, RegSetValueExW, RegCreateKeyW, AdjustTokenPrivileges, LookupPrivilegeValueW, FreeSid, SetKernelObjectSecurity, SetFileSecurityW, SetSecurityDescriptorDacl, InitializeSecurityDescriptor, AddAccessAllowedAce, InitializeAcl, GetLengthSid, SetNamedSecurityInfoW, AllocateAndInitializeSid, RevertToSelf, OpenThreadToken, ImpersonateSelf, UnregisterIdleTask, CloseServiceHandle, QueryServiceStatus, QueryServiceConfigW, OpenServiceW, OpenSCManagerW, RegisterIdleTask, EnumServicesStatusExW, CheckTokenMembership, SetServiceStatus, ConvertStringSecurityDescriptorToSecurityDescriptorW, RegisterServiceCtrlHandlerExW, RegOpenKeyExW, RegDeleteValueW, ReportEventW, LsaClose, LsaFreeMemory, CryptCreateHash, LsaOpenPolicy, LsaAddAccountRights, LsaNtStatusToWinError, LsaRemoveAccountRights, CryptDestroyHash, CryptSignHashW, CryptHashData, IsValidSid
imagehlp.dll
ImageDirectoryEntryToData, ImageNtHeader, ImageRvaToVa
kernel32.dll
FormatMessageW, TlsFree, TlsAlloc, FindNextChangeNotification, GetComputerNameW, LoadLibraryW, WTSGetActiveConsoleSessionId, InterlockedIncrement, InterlockedDecrement, SetThreadPriority, SetEnvironmentVariableW, GetEnvironmentVariableW, SetLastError, GetStartupInfoW, SearchPathW, SetCurrentDirectoryW, LocalReAlloc, GetFileInformationByHandle, GetFileType, lstrcpynW, GetVolumeInformationW, LoadLibraryExA, LoadLibraryExW, GetLocaleInfoW, GetUserDefaultUILanguage, GetUserDefaultLCID, IsBadWritePtr, TlsSetValue, TlsGetValue, GetComputerNameExW, ChangeTimerQueueTimer, DeleteTimerQueueTimer, OpenProcess, CreateTimerQueueTimer, DuplicateHandle, SetEndOfFile, DelayLoadFailureHook, GetDateFormatW, GetTimeFormatW, SetFilePointer, ReadFile, InitializeCriticalSectionAndSpinCount, ExitProcess, GetModuleFileNameW, lstrcmpiW, FindFirstChangeNotificationW, lstrlenW, CreateWaitableTimerW, GetCurrentDirectoryW, LocalFileTimeToFileTime, GetVersionExW, FindCloseChangeNotification, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, SetWaitableTimer, CancelWaitableTimer, InitializeCriticalSection, SetUnhandledExceptionFilter, UnhandledExceptionFilter, WaitForMultipleObjects, GetCurrentProcess, TerminateProcess, CloseHandle, VirtualFree, GetProcessHeap, HeapFree, GetLastError, GetWindowsDirectoryW, HeapAlloc, ReleaseMutex, WaitForSingleObject, FindClose, FindFirstFileW, FindNextFileW, MapViewOfFile, CreateFileMappingW, GetFileSize, CreateFileW, WriteFile, GetFileTime, MultiByteToWideChar, CompareFileTime, SystemTimeToFileTime, GetSystemTime, FileTimeToSystemTime, FileTimeToLocalFileTime, GetCurrentThread, GetFileAttributesW, GetSystemDirectoryW, GetFullPathNameW, ExpandEnvironmentStringsW, UnregisterWaitEx, SetEvent, InterlockedCompareExchange, ResetEvent, Sleep, RegisterWaitForSingleObject, GetTickCount, LocalFree, LocalAlloc, OpenEventW, GetCurrentThreadId, VirtualAlloc, CreateMutexW, CreateEventW, SetFileAttributesW, CreateDirectoryW, FlushFileBuffers, GetExitCodeProcess, CreateProcessW, GetCurrentProcessId, GetLocalTime, FindVolumeClose, FindNextVolumeW, QueryDosDeviceW, GetVolumePathNamesForVolumeNameW, FindFirstVolumeW, DeleteFileW, UnmapViewOfFile, GetDriveTypeW, GetSystemTimeAsFileTime, CreateThread, QueueUserWorkItem, DisableThreadLibraryCalls, GetSystemPowerStatus, InterlockedExchange, DeleteAtom, GetModuleHandleW, GetProcAddress, FreeLibrary, LoadLibraryA, QueryPerformanceCounter
msvcrt.dll
DllMain
netapi32.dll
NetApiBufferFree, DsGetDcNameW, DsRoleFreeMemory, DsRoleGetPrimaryDomainInformation, NetUserGetInfo
ntdll.dll
RtlNtStatusToDosError, NtSetSystemInformation, NtOpenProcessToken, RtlNewSecurityObject, RtlCreateAcl, RtlAddAce, RtlGetVersion, NtCreateFile, NtQueryInformationFile, NtQueryAttributesFile, RtlInitUnicodeString, RtlDosPathNameToNtPathName_U, NtOpenFile, NtQueryDirectoryFile, RtlFreeHeap, NtClose, NtQuerySystemInformation, RtlEqualUnicodeString, RtlInitString, NtSetInformationThread, NtDuplicateToken, NtDuplicateObject, RtlEqualSid, NtAccessCheck, NtOpenThreadToken, NtPowerInformation, RtlInitializeSid, RtlLengthRequiredSid, RtlSubAuthoritySid, RtlCopySid, RtlSubAuthorityCountSid, RtlDeleteSecurityObject, RtlLengthSid, RtlSetSaclSecurityDescriptor, RtlSetDaclSecurityDescriptor, RtlSetGroupSecurityDescriptor, RtlSetOwnerSecurityDescriptor, RtlCreateSecurityDescriptor
ntdsapi.dll
DsUnBindW, DsFreeNameResultW, DsBindW, DsCrackNamesW
ole32.dll
CoTaskMemAlloc, CoCreateInstance, CoUninitialize, CoInitializeEx, CoGetCallContext, CoTaskMemFree
rpcrt4.dll
RpcServerUseProtseqW, RpcEpUnregister, RpcServerUnregisterIf, RpcServerRegisterIfEx, RpcServerUseProtseqEpW, RpcServerRegisterAuthInfoW, RpcBindingVectorFree, RpcImpersonateClient, RpcServerInqBindings, RpcEpRegisterW, RpcRevertToSelf, NdrServerCall2, UuidCreate, RpcServerUnregisterIfEx, RpcBindingToStringBindingW, RpcStringBindingParseW, RpcStringFreeW
secur32.dll
LsaFreeReturnBuffer, LsaDeregisterLogonProcess, LsaCallAuthenticationPackage, LsaLookupAuthenticationPackage, LsaConnectUntrusted, GetUserNameExW
shlwapi.dll
PathFindExtensionW
user32.dll
TranslateMessage, DispatchMessageW, UpdateWindow, GetMessageW, SystemParametersInfoW, GetProcessWindowStation, SetProcessWindowStation, SetUserObjectSecurity, CreateDesktopW, CreateWindowStationW, CloseDesktop, CloseWindowStation, LoadStringW, EnumWindows, EnumThreadWindows, IsWindow, GetWindowThreadProcessId, LoadStringA, MessageBoxA, UnregisterClassW, PostMessageW, SendMessageW, RegisterWindowMessageW, RegisterClassW, CreateWindowExW, ShowWindow, DestroyWindow, DefWindowProcW, PostQuitMessage
userenv.dll
LoadUserProfileW, UnloadUserProfile, DestroyEnvironmentBlock, CreateEnvironmentBlock
wtsapi32.dll
WTSQueryUserToken, WTSQuerySessionInformationW, WTSEnumerateSessionsW, WTSFreeMemory
Export table
CloseProc
SchedServiceMain
SPUninstall
SPUninstallCallback
SysPrepBackup
SysPrepCallback
SysPrepRestore

schedsvc.dll

Task Scheduler Engine by Microsoft

Remove schedsvc.dll
Version:   5.1.2600.5512 (xpsp.080413-2108)
MD5:   c7dc69a9d8c9ab2fbca3238c989d598f
SHA1:   63b55671e370ff308a142366c0ef639ba1beb185
SHA256:   5e64a370f0b8c4701c1165fde96f4bdc5a4ed2114b2accee0f279235f6295163
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is schedsvc.dll?

A Task Scheduler engine performs the actions scheduled through the Task Scheduler. A Task Scheduler engine communicates with the Task Scheduler service to execute tasks. The service creates a task engine to run tasks.

About schedsvc.dll (from Microsoft)

A task engine starts when a task is run for a specified principal (the security context the task runs under). The Task Scheduler engine manages a queue of tasks that are scheduled to run. A task is pu

DetailsDetails

File name:schedsvc.dll
Publisher:Microsoft Corporation
Product name:Task Scheduler Engine
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\schedsvc.dll
File version:5.1.2600.5512 (xpsp.080413-2108)
Product version:5.1.2600.5512
Size:188.5 KB (193,024 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 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'
  • Shared name is 'Schedule'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

Distribution by countryDistribution by country

United States installs about 46.84% of Task Scheduler Engine.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 42.16%
Intel 14.05%
Toshiba 7.57%
Compaq 7.57%
American Megatrends 7.03%
Hewlett-Packard 5.41%
GIGABYTE 3.78%
Sahara 3.24%
ASUS 3.24%
Gateway 2.16%
Acer 1.62%
Lenovo 1.08%
Sony 1.08%
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