Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

221.4.0.38 22.52%
221.4.0.19 18.02%
221.4.0.13 26.13%
221.4.0.10 13.51%
221.4.0.1 6.31%
204.3.0.31 12.61%
155.2.0.14 0.90%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
CryptReleaseContext, CryptCreateHash, CryptDestroyHash, CryptGetHashParam, CryptHashData, CryptAcquireContextW
cfnetwork.dll
CFHTTPMessageCopyRequestURL, CFHTTPMessageCopyVersion, CFReadStreamCreateForStreamedHTTPRequest, CFHTTPMessageSetBody, CFHTTPMessageCopyBody, kCFHTTPVersion1_1, CFHTTPMessageSetHeaderFieldValue, CFReadStreamCreateForHTTPRequest, CFHTTPMessageCreateRequest, CFHTTPMessageCopyRequestMethod, kCFStreamPropertyHTTPShouldAutoredirect, kCFStreamPropertyHTTPProxy, CFHTTPMessageCopyResponseStatusLine, kCFStreamPropertyHTTPRequestBytesWrittenCount, CFHTTPMessageCopyHeaderFieldValue, CFNetworkCopySystemProxySettings, kCFStreamPropertyHTTPResponseHeader, CFHTTPMessageGetResponseStatusCode, CFHTTPMessageAppendBytes, CFHTTPMessageCopyAllHeaderFields, kCFHTTPVersion1_0
chunkinglibrary.dll
CKSchemeAndSignatureSize, CKFileSignaturesEqual, CKUnregisterFile, CKRegisterFile, CKGetRegisteredChunksForItemID, CKRegisteredChunkLength, CKSignatureForFile, CKRegisterChunksForFileWithHint, CKUnregisterTemporaryChunks, CKGetRegisteredFileSignature, CKConvertTemporaryChunks, CKSignatureSize, CKFileSignatureGeneratorFinish, CKSchemeAndEncryptionKeySize, CKChunkStoreCreate, CKUnregisterChunksForItem, CKRegisteredChunkKey, CKChunkCoderRelease, CKChunkCoderUpdate, CKChunkCoderFinish, CKChunkCoderCreate, CKRegisterTemporaryChunk, CKUnregisterTemporaryTChunk, CKRegisterChunk, CKGetRegisteredChunk, CKUnregisterTemporaryNChunk, CKCommitDatabaseTransactions, CKFileSignatureGeneratorCreate, CKFileSignatureGeneratorUpdate, CKChunkSignaturesEqual, CKGetRegisteredChunks, CKCalculateFileSignature
corefoundation.dll
DllMain
kernel32.dll
SetUnhandledExceptionFilter, IsDebuggerPresent, DisableThreadLibraryCalls, GetCurrentThreadId, GetCurrentProcessId, GetTickCount, QueryPerformanceCounter, MultiByteToWideChar, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, InterlockedExchange, GetProcAddress, SetLastError, GetModuleHandleW, CreateFileW, GetLastError, GetVersionExW, InterlockedCompareExchange, OutputDebugStringA, DeleteFileW, WideCharToMultiByte, GetEnvironmentVariableW, GetOverlappedResult, WriteFile, SetEndOfFile, GetVolumeInformationW, ReadFile, GetFileInformationByHandle, CloseHandle, GetFileTime, GetFileSizeEx, GetLogicalDriveStringsW, SetFilePointerEx, SetFileTime, Sleep, GetSystemTimeAsFileTime, SetEnvironmentVariableW
libdispatch.dll
dispatch_once_f, dispatch_release, dispatch_queue_create, dispatch_group_create, dispatch_group_wait, dispatch_group_async_f, dispatch_get_current_queue, dispatch_queue_get_label
msvcr80.dll
DllMain
pthreadvc2.dll
pthread_attr_init, pthread_create, pthread_attr_destroy, pthread_key_create, pthread_mutex_init, pthread_getspecific, pthread_once, pthread_self, pthread_setspecific, pthread_mutex_unlock, pthread_mutex_lock, pthread_attr_setdetachstate
Export table
_getCStringFromCFStringSafely
_log_facility
_YSCFURLGetFileSystemRepresentation
chunkserver__name_value_pair__free_unpacked
chunkserver__name_value_pair__unpack
gBzipThreadCount
gBzipThreadFn
gLogLevels
kMMCSEnginePropertyEnableGetChunks
kMMCSEnginePropertyEnableGetResume
kMMCSEnginePropertyEnableLocallySatisfiedGets
kMMCSEnginePropertyMaxInflightContainerRequests
kMMCSEnginePropertyVerifyPutItemContent
kMMCSErrorDomain
kMMCSErrorHTTPBodyKey
kMMCSErrorHTTPStatusKey
kMMCSErrorSupplementalDictionaryKey
kMMCSErrorUnderlyingErrorArrayKey
kMMCSLibDefaultsDomain
kMMCSRequestOptionStreamOptions
kMMCSRequestValidateFileContents
kMME_CLIENT_INFO_HEADER_KEY
log_facility
log_levels
log_set_all_facility_level
log_set_facility_level
log_set_print_state
log_set_thread_name
make_fd_uncached
mmcs_engine_cancel_requests
mmcs_engine_close
mmcs_engine_create
mmcs_engine_create_client_header_value
mmcs_engine_get_current_request_metrics
mmcs_engine_set_metrics_enabled
mmcs_get_items
mmcs_http_context_create
mmcs_http_context_dealloc
mmcs_http_context_send
mmcs_http_context_should_cancel
mmcs_http_context_status_succeeded
mmcs_library_init
mmcs_metrics_request_copy_description
mmcs_metrics_request_release
mmcs_metrics_request_retain
mmcs_put_items
MMCSComputeSignatureAndRegisterItemWithDescriptor
MMCSEngineCancelRequests
MMCSEngineCreate
MMCSEngineDestroy
MMCSEngineGetRequestMetrics
MMCSEngineIsActive
MMCSEngineSetMetricsEnabled
MMCSGetItems
MMCSGetItemStateIsDeterminant
MMCSMetricsRequestCopyDescription
MMCSMetricsRequestRelease
MMCSMetricsRequestRetain
MMCSPutItems
MMCSPutItemStateIsDeterminant
MMCSRegisterFile
MMCSRegisterFiles
MMCSSignatureAndSchemeSize
MMCSSignatureCopy
MMCSSignatureCopyData
MMCSSignatureCopyHexstring
MMCSSignatureCreateWithData
MMCSSignatureCreateWithString
MMCSSignatureGeneratorCreate
MMCSSignatureGeneratorFinish
MMCSSignatureGeneratorUpdate
MMCSSignatureIsValid
MMCSSignatureSize
MMCSUnregisterFile
MMCSUnregisterFiles

mmcs.dll

By Apple Inc. (Signed)

Remove mmcs.dll
Version:   221.4.0.38
MD5:   409ca56bdf9587f42af4ebcc9c435bb8
SHA1:   1e847ab8f48dba5dbf374345444351aa452fc5fa
SHA256:   86bee04f434ff55cccc6be6788b8ef8b4d8a23b3ee19efd14c817539ce528b9b

Overview

mmcs.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Apple Inc. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:mmcs.dll
Publisher:Apple Inc.
Description:mmcs.dll
Typical file path:C:\Program Files\common files\apple\internet services\mmcs.dll
File version:221.4.0.38
Size:262.32 KB (268,616 bytes)
Build date:9/14/2013 6:34 PM
Certificate
Issued to:Apple Inc.
Authority (CA):VeriSign
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 8.0
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 35.14%
Windows 7 Ultimate 18.02%
Windows 7 Professional 10.81%
Windows 8 Pro 8.11%
Windows 8 6.31%
Windows 8.1 4.50%
Windows Vista Home Premium 4.50%
Windows 8 Pro with Media Center 3.60%
Windows 8.1 Pro 1.80%
Windows Vista Home Basic 1.80%
Windows Seven Black Edition 0.90%
Windows 8.1 Single Language 0.90%
Windows 8.1 Pro Preview with Media Center 0.90%
Windows 7 Starter 0.90%
Windows Vista Business 0.90%
Windows 7 Enterprise 0.90%

Distribution by countryDistribution by country

United States installs about 55.45% of mmcs.dll.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 19.79%
Dell 18.75%
ASUS 16.67%
Toshiba 14.58%
Acer 8.33%
Sony 6.25%
Lenovo 4.17%
NEC 2.08%
Intel 2.08%
GIGABYTE 2.08%
MSI 2.08%
Sahara 1.04%
Alienware 1.04%
Samsung 1.04%
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