Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 4.44%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.12%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.18%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.06%
6.2.9200.16384 (win8_rtm.120725-1247) 2.39%
6.2.9200.16384 (win8_rtm.120725-1247) 8.00%
6.2.9200.16384 (win8_rtm.120725-1247) 0.12%
6.2.9200.16384 (win8_rtm.120725-1247) 3.80%
6.2.9200.16384 (win8_rtm.120725-1247) 0.47%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.12%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.12%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.06%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.12%
6.1.7600.16385 (win7_rtm.090713-1255) 2.34%
6.1.7600.16385 (win7_rtm.090713-1255) 3.39%
6.1.7600.16385 (win7_rtm.090713-1255) 0.12%
6.1.7600.16385 (win7_rtm.090713-1255) 0.82%
6.1.7600.16385 (win7_rtm.090713-1255) 4.21%
6.1.7600.16385 (win7_rtm.090713-1255) 0.18%
6.1.7600.16385 (win7_rtm.090713-1255) 0.23%
6.1.7600.16385 (win7_rtm.090713-1255) 2.16%
6.1.7600.16385 (win7_rtm.090713-1255) 2.86%
6.1.7600.16385 (win7_rtm.090713-1255) 11.68%
6.1.7600.16385 (win7_rtm.090713-1255) 1.29%
6.1.7600.16385 (win7_rtm.090713-1255) 2.28%
View more

PE structurePE file structure

Show functions
Import table
advapi32.dll
OpenServiceW, GetKernelObjectSecurity, AdjustTokenPrivileges, OpenProcessToken, IsValidSecurityDescriptor, GetSecurityDescriptorOwner, GetSecurityDescriptorGroup, GetSecurityDescriptorDacl, ConvertStringSecurityDescriptorToSecurityDescriptorW, GetSecurityDescriptorSacl, SetNamedSecurityInfoW, DuplicateTokenEx, MD5Init, MD5Update, MD5Final, SystemFunction036, RegOpenKeyExA, RegQueryValueExA, GetTokenInformation, RegEnumValueW, QueryServiceStatusEx, QueryServiceConfigW, OpenSCManagerW, EnumServicesStatusW, CloseServiceHandle, ConvertStringSidToSidW, GetNamedSecurityInfoW, GetAce, EqualSid, RegOpenKeyExW, RegQueryValueExW, RegQueryInfoKeyW, RegEnumKeyW, RegDeleteKeyW, RegCloseKey, RegCreateKeyExW, RegCreateKeyW, SetThreadToken, RegisterServiceCtrlHandlerExW, SetServiceStatus, OpenThreadToken, AllocateAndInitializeSid, CheckTokenMembership, FreeSid, RegisterEventSourceW, ReportEventW, DeregisterEventSource
api-ms-win-core-delayload-l1-1-1.dll
ResolveDelayLoadedAPI, DelayLoadFailureHook
api-ms-win-core-errorhandling-l1-1-1.dll
SetLastError, SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetLastError
api-ms-win-core-file-l1-2-0.dll
ReadFile, SetEndOfFile, DeleteFileW, CreateFileW, FindFirstFileW, SetFileAttributesW, FindNextFileW, FindClose, SetFilePointer, GetFileSize, FindNextChangeNotification, FindFirstChangeNotificationW, FindCloseChangeNotification, GetFileAttributesW, WriteFile, CompareFileTime, CreateDirectoryW
api-ms-win-core-handle-l1-1-0.dll
DuplicateHandle, CloseHandle
api-ms-win-core-heap-obsolete-l1-1-0.dll
LocalSize, LocalReAlloc, LocalFree, LocalAlloc
api-ms-win-core-interlocked-l1-2-0.dll
InterlockedDecrement, InterlockedIncrement, InterlockedExchange, InterlockedCompareExchange
api-ms-win-core-libraryloader-l1-1-1.dll
FreeLibraryAndExitThread, FreeLibrary, DisableThreadLibraryCalls, GetModuleHandleExW
api-ms-win-core-memory-l1-1-1.dll
VirtualQuery, VirtualAlloc, VirtualProtect
api-ms-win-core-processenvironment-l1-2-0.dll
ExpandEnvironmentStringsW
api-ms-win-core-processthreads-l1-1-1.dll
OpenThreadToken, SetThreadStackGuarantee, GetCurrentThread, SetThreadToken, OpenProcessToken, GetCurrentThreadId, GetCurrentProcessId, ExitThread, TerminateProcess, GetCurrentProcess, CreateThread, OpenProcess
api-ms-win-core-profile-l1-1-0.dll
QueryPerformanceCounter
api-ms-win-core-registry-l1-1-0.dll
RegQueryValueExW, RegQueryValueExA, RegCloseKey, RegOpenKeyExW, RegOpenKeyExA
api-ms-win-core-synch-l1-2-0.dll
AcquireSRWLockExclusive, ReleaseSRWLockShared, InitializeSRWLock, AcquireSRWLockShared, ReleaseSRWLockExclusive, EnterCriticalSection, LeaveCriticalSection, InitializeCriticalSection, DeleteCriticalSection, Sleep, SetEvent, CreateEventA, WaitForSingleObjectEx, CreateEventW
api-ms-win-core-sysinfo-l1-2-0.dll
GetTickCount, GetSystemInfo, GetSystemTimeAsFileTime
api-ms-win-core-threadpool-legacy-l1-1-0.dll
UnregisterWaitEx
api-ms-win-core-threadpool-private-l1-1-0.dll
RegisterWaitForSingleObjectEx
api-ms-win-security-base-l1-2-0.dll
SetFileSecurityW, IsValidSid, FreeSid, CopySid, GetSidSubAuthorityCount, GetSidIdentifierAuthority, GetSidSubAuthority, GetFileSecurityW, EqualSid, GetLengthSid, GetTokenInformation, RevertToSelf, GetSecurityDescriptorSacl, ImpersonateSelf, GetAce, AllocateAndInitializeSid
crypt32.dll
CryptMemAlloc, I_CertSrvProtectFunction, CryptStringToBinaryW, CryptDecodeObjectEx, CryptQueryObject, CertEnumCRLsInStore, CertFreeCRLContext, CertCloseStore, I_CryptFindLruEntry, I_CryptGetLruEntryData, I_CryptEnumMatchingLruEntries, CryptMemFree, I_CryptRemoveLruEntry, I_CryptCreateLruEntry, I_CryptInsertLruEntry, I_CryptReleaseLruEntry, I_CryptFreeLruCache, I_CryptCreateLruCache, CryptHashCertificate, CertCreateContext, CertFreeCTLContext, CryptDecodeObject, RegOpenHKCUKeyExU, CryptInitOIDFunctionSet, CryptGetDefaultOIDDllList, CryptGetDefaultOIDFunctionAddress, CryptFreeOIDFunctionAddress
cryptnet.dll
I_CryptNetSetUrlCachePreFetchInfo, I_CryptNetSetUrlCacheFlushInfo, CryptRetrieveObjectByUrlW
kernel32.dll
WaitForMultipleObjectsEx, lstrlenW, CompareStringW, LCMapStringW, SetUnhandledExceptionFilter, ReleaseMutex, TerminateProcess, GetCurrentProcessId, GetCurrentThreadId, HeapFree, GetThreadLocale, RaiseException, FileTimeToSystemTime, FileTimeToLocalFileTime, GetSystemWindowsDirectoryW, GetModuleHandleW, GetFullPathNameW, FlushFileBuffers, GetVersionExW, UnhandledExceptionFilter, GetFileAttributesExW, DisableThreadLibraryCalls, CloseHandle, GetCurrentThread, SetEvent, LocalAlloc, LocalFree, LocalSize, LocalReAlloc, GetLastError, UnregisterWaitEx, RegisterWaitForSingleObject, CreateEventW, FreeLibrary, GetProcAddress, LoadLibraryW, SetLastError, WideCharToMultiByte, GetACP, CreateFileW, MoveFileW, DeleteFileW, GetTempFileNameW, LeaveCriticalSection, EnterCriticalSection, GetSystemDirectoryA, GetSystemDirectoryW, FindClose, FindNextFileW, FindFirstFileW, GetFileAttributesW, QueryPerformanceCounter, QueryPerformanceFrequency, LoadLibraryExW, GetModuleFileNameW, WaitForSingleObject, SetThreadPriority, FormatMessageW, SetFileAttributesW, CreateDirectoryW, DeleteFileA, UnmapViewOfFile, CompareFileTime, InterlockedExchange, HeapReAlloc, CopyFileW, GetFileSize, ExitThread, FreeLibraryAndExitThread, ResumeThread, CreateThread, GetTickCount, InitializeCriticalSection, DeleteCriticalSection, GetWindowsDirectoryW, ExpandEnvironmentStringsW, Sleep, DelayLoadFailureHook, InterlockedCompareExchange, LoadLibraryExA, WriteFile, SetEndOfFile, SetFilePointer, OutputDebugStringA, GetDateFormatA, GetTimeFormatA, GetLocalTime, ReadFile, GetModuleHandleExW, InterlockedIncrement, InterlockedDecrement, FindNextChangeNotification, GetSystemTimeAsFileTime, FindCloseChangeNotification, FindFirstChangeNotificationW, WaitForSingleObjectEx, CreateEventA, DuplicateHandle, GetCurrentProcess, OpenProcess, CreateMutexW, MapViewOfFile, CreateFileMappingW, HeapAlloc, GetProcessHeap, CreateFileMappingA, WaitForMultipleObjects, LoadLibraryA
msvcrt.dll
DllMain
ntdll.dll
ShipAssert, EtwEventRegister, EvtIntReportEventAndSourceAsync, EtwEventUnregister, RtlNtStatusToDosError, RtlAllocateHeap, RtlFreeHeap, RtlReAllocateHeap, RtlRaiseStatus, DbgUserBreakPoint, RtlImageNtHeader
ole32.dll
CoInitialize, CoInitializeEx, CoCreateInstance, CoUninitialize
rpcrt4.dll
NdrServerCall2, I_RpcBindingInqLocalClientPID, RpcRevertToSelf, RpcServerUseProtseqEpW, RpcServerRegisterIfEx, RpcServerUnregisterIf, RpcImpersonateClient, RpcRevertToSelfEx, I_RpcBindingIsClientLocal, RpcServerRegisterIf3
user32.dll
CharNextW, CharPrevW, CharLowerW
vssapi.dll
CreateWriterEx
Export table
CryptServiceMain
SvchostPushServiceGlobals

cryptsvc.dll

Cryptographic Services by Microsoft

Remove cryptsvc.dll
Version:   6.3.9600.16384 (winblue_rtm.130821-1623)
MD5:   1d0ef66a01276c2562a84e4c23c19f61
SHA1:   885dba8d915bafd41e93aad522b970eb7aefc956
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is cryptsvc.dll?

The Cryptographic Application Programming Interface (also known variously as CryptoAPI, Microsoft Cryptography API, MS-CAPI or simply CAPI) is an application programming interface included with Microsoft Windows operating systems that provides services to enable developers to secure Windows-based applications using cryptography.

About cryptsvc.dll (from Microsoft)

Cryptography is the use of codes to convert data so that only a specific recipient will be able to read it, using a key. Microsoft cryptographic technologies include CryptoAPI, Cryptographic Service

DetailsDetails

File name:cryptsvc.dll
Publisher:Microsoft Corporation
Product name:Cryptographic Services
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\cryptsvc.dll
Original name:cryptsvc.dll.mui
File version:6.3.9600.16384 (winblue_rtm.130821-1623)
Product version:6.3.9600.16384
Size:60 KB (61,440 bytes)
Build date:8/22/2013 7:52 AM
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

BehaviorsBehaviors

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

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 37.50%
Windows 7 Ultimate N 28.00%
Windows 8 Pro 10.50%
Windows 7 Home Premium 8.00%
Windows 7 Professional 4.50%
Windows Vista Home Premium 2.50%
Windows 8 Pro with Media Center 1.50%
Windows 8 1.50%
Windows 7 Home Basic 1.00%
Windows Vista Ultimate 1.00%
Windows 8 Enterprise 1.00%
Windows Vista Business 0.50%
Windows 8 Pro N 0.50%
Windows 8 Enterprise Evaluation 0.50%
Windows 7 Starter 0.50%
Windows Vista™ Home Premium 0.50%
Microsoft Windows 7 Professional 0.50%

Distribution by countryDistribution by country

United States installs about 41.48% of Cryptographic Services.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 17.82%
Dell 17.82%
Hewlett-Packard 16.83%
ASUS 11.88%
Toshiba 9.90%
Lenovo 5.94%
Sony 3.96%
MSI 3.96%
GIGABYTE 2.97%
American Megatrends 1.98%
Intel 1.98%
Gateway 1.98%
Samsung 0.99%
Sahara 0.99%
Packard Bell 0.99%
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