Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

533.20.20 14.29%
533.20.20 28.57%
533.18.1 57.14%

PE structurePE file structure

Show functions
Import table
corefoundation.dll
DllMain
gdi32.dll
DeleteDC, DeleteObject
icuin40.dll
ucol_open_4_0, ucol_getAttribute_4_0, ucol_setAttribute_4_0, ucol_close_4_0, ucol_getLocaleByType_4_0, ucol_strcoll_4_0
icuuc40.dll
u_charType_4_0, u_strToUpper_4_0, u_strToLower_4_0, u_tolower_4_0, u_toupper_4_0
kernel32.dll
UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, DisableThreadLibraryCalls, GetCurrentProcess, GetSystemTimeAsFileTime, OutputDebugStringA, InterlockedExchange, VirtualQuery, GetTickCount, InitializeCriticalSection, TerminateProcess, InterlockedCompareExchange, GetCurrentProcessId, RaiseException, CreateMutexW, SuspendThread, ResumeThread, GetThreadContext, TlsAlloc, TlsGetValue, InterlockedIncrement, TlsSetValue, VirtualAlloc, VirtualFree, GetSystemInfo, GetCurrentThread, GetThreadTimes, InterlockedDecrement, QueryPerformanceCounter, QueryPerformanceFrequency, Sleep, GetCurrentThreadId, EnterCriticalSection, TryEnterCriticalSection, LeaveCriticalSection, DeleteCriticalSection, ReleaseMutex, CloseHandle, WaitForSingleObject, CreateSemaphoreW, ReleaseSemaphore
msvcp80.dll
DllMain
msvcr80.dll
DllMain
pthreadvc2.dll
pthread_self, pthread_setspecific, pthread_getw32threadhandle_np, pthread_key_delete, pthread_key_create, pthread_getspecific, pthread_equal, pthread_mutex_unlock, pthread_mutex_lock, sched_yield, pthread_create, pthread_cond_init, pthread_cond_signal, pthread_cond_wait, pthread_mutex_init, pthread_once
user32.dll
DefWindowProcW, RegisterClassExW, RegisterWindowMessageW, CreateWindowExW, PostMessageW
winmm.dll
timeBeginPeriod, timeEndPeriod
Export table
JSCheckScriptSyntax
JSClassCreate
JSClassRelease
JSClassRetain
JSContextGetGlobalContext
JSContextGetGlobalObject
JSContextGetGroup
JSContextGroupCreate
JSContextGroupRelease
JSContextGroupRetain
JSEvaluateScript
JSGarbageCollect
JSGlobalContextCreate
JSGlobalContextCreateInGroup
JSGlobalContextRelease
JSGlobalContextRetain
JSObjectCallAsConstructor
JSObjectCallAsFunction
JSObjectCopyPropertyNames
JSObjectDeletePrivateProperty
JSObjectDeleteProperty
JSObjectGetPrivate
JSObjectGetPrivateProperty
JSObjectGetProperty
JSObjectGetPropertyAtIndex
JSObjectGetPrototype
JSObjectHasProperty
JSObjectIsConstructor
JSObjectIsFunction
JSObjectMake
JSObjectMakeArray
JSObjectMakeConstructor
JSObjectMakeDate
JSObjectMakeError
JSObjectMakeFunction
JSObjectMakeFunctionWithCallback
JSObjectMakeRegExp
JSObjectSetPrivate
JSObjectSetPrivateProperty
JSObjectSetProperty
JSObjectSetPropertyAtIndex
JSObjectSetPrototype
JSPropertyNameAccumulatorAddName
JSPropertyNameArrayGetCount
JSPropertyNameArrayGetNameAtIndex
JSPropertyNameArrayRelease
JSPropertyNameArrayRetain
JSReportExtraMemoryCost
JSStringCopyBSTR
JSStringCopyCFString
JSStringCreateWithBSTR
JSStringCreateWithCFString
JSStringCreateWithCharacters
JSStringCreateWithUTF8CString
JSStringGetCharactersPtr
JSStringGetLength
JSStringGetMaximumUTF8CStringSize
JSStringGetUTF8CString
JSStringIsEqual
JSStringIsEqualToUTF8CString
JSStringRelease
JSStringRetain
JSValueCreateJSONString
JSValueGetType
JSValueIsBoolean
JSValueIsEqual
JSValueIsInstanceOfConstructor
JSValueIsNull
JSValueIsNumber
JSValueIsObject
JSValueIsObjectOfClass
JSValueIsStrictEqual
JSValueIsString
JSValueIsUndefined
JSValueMakeBoolean
JSValueMakeFromJSONString
JSValueMakeNull
JSValueMakeNumber
JSValueMakeString
JSValueMakeUndefined
JSValueProtect
JSValueToBoolean
JSValueToNumber
JSValueToObject
JSValueToStringCopy
JSValueUnprotect
JSWeakObjectMapClear
JSWeakObjectMapCreate
JSWeakObjectMapGet
JSWeakObjectMapSet
kJSClassDefinitionEmpty
WTFLog
WTFLogVerbose
WTFReportArgumentAssertionFailure
WTFReportAssertionFailure
WTFReportAssertionFailureWithMessage
WTFReportError

JavaScriptCore.dll

JavaScriptCore by Apple Inc. (Signed)

Remove JavaScriptCore.dll
Version:   533.20.20
MD5:   cffa5331b43eed6f4cedf788c8aebe3a
SHA1:   806a1d6d3ff5f3d54bea94380bf08a6e70e8e09d
SHA256:   54301b7dfb8d6f5bd7a4f47084f7641a52bb79e52138089adeb32992ea5d53f7

About JavaScriptCore.dll (from Apple Inc.)

Originally named LiveScript and now also known as ECMAScript, it's a safe, dynamic language that's arguably one of the most well-known programming languages in the world. There's a JavaScript standard

Overview

javascriptcore.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including Apple Application Support published by Apple Inc., Apple Application Support from Apple Inc. and Apple Application Support by Apple Inc.. The file is digitally signed by Apple Inc. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:javascriptcore.dll
Publisher:Apple Inc.
Product name: JavaScriptCore
Description:JavaScriptCore Dynamic Link Library
Typical file path:C:\Program Files\common files\apple\apple application support\javascriptcore.dll
File version:533.20.20
Size:1.32 MB (1,379,104 bytes)
Certificate
Issued to:Apple Inc.
Authority (CA):VeriSign
Effective date:Sunday, May 17, 2009
Expiration date:Sunday, June 26, 2011
Digital DNA
PE subsystem:Windows GUI
Entropy:6.283601
File packed:No
Code language:Microsoft Visual C++ 8.0
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Apple Inc.
6% remove
Apple Application Support is required to run iTunes, QuickTime and other Apple installed products (do not remove this if you use any of these programs). If you remove this program you will need to reinstall it in order for iTunes to load. The program is also used to connect iTunes to the various iOS devices such as the iPhone, iPad and iPod Touch.
Apple Inc.
8% remove

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows XP Home Edition 42.86%
Windows 7 Ultimate 28.57%
Windows XP Professional 14.29%
Windows 7 Professional 14.29%

Distribution by countryDistribution by country

United States installs about 100.00% of JavaScriptCore.
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