Should I block it?

No, this file is 100% safe to run.

Additional versions

11.0.6000.64 built by: WinDDK	0.82%
11.0.6000.63 built by: WinDDK	0.82%
11.0.6000.62 built by: WinDDK	3.28%
11.0.6000.60 built by: WinDDK	0.82%
11.0.6000.59 built by: WinDDK	0.82%
11.0.6000.54 built by: WinDDK	2.46%
11.0.6000.53 built by: WinDDK	4.10%
11.0.6000.51 built by: WinDDK	2.46%
11.0.6000.48 built by: WinDDK	1.64%
11.0.6000.45 built by: WinDDK	2.46%
11.0.6000.40 built by: WinDDK	0.82%
11.0.6000.38 built by: WinDDK	0.82%
11.0.6000.37 built by: WinDDK	1.64%
11.0.6000.36 built by: WinDDK	0.82%
11.0.6000.26 built by: WinDDK	0.82%
11.0.6000.25 built by: WinDDK	1.64%
11.0.6000.16 built by: WinDDK	1.64%
11.0.5600.13 built by: WinDDK	5.74%
11, 0, 6000, 89	0.82%
11, 0, 6000, 85	4.10%
11, 0, 6000, 85	0.82%
11, 0, 6000, 85	0.82%
11, 0, 6000, 81	1.64%
11, 0, 6000, 75	0.82%
11, 0, 6000, 69	1.64%
View more
11, 0, 6000, 67	4.10%
11, 0, 6000, 350	0.82%
11, 0, 6000, 343	0.82%
11, 0, 6000, 332	1.64%
11, 0, 6000, 319	7.38%
11, 0, 6000, 314	0.82%
11, 0, 6000, 312	0.82%
11, 0, 6000, 308	1.64%
11, 0, 6000, 300	3.28%
11, 0, 6000, 295	0.82%
11, 0, 6000, 280	1.64%
11, 0, 6000, 274	0.82%
11, 0, 6000, 269	0.82%
11, 0, 6000, 268	0.82%
11, 0, 6000, 259	0.82%
11, 0, 6000, 255	0.82%
11, 0, 6000, 249	0.82%
11, 0, 6000, 244	3.28%
11, 0, 6000, 230	0.82%
11, 0, 6000, 216	2.46%
11, 0, 6000, 214	0.82%
11, 0, 6000, 210	0.82%
11, 0, 6000, 196	0.82%
11, 0, 6000, 181	0.82%
11, 0, 6000, 178	0.82%
11, 0, 6000, 165	0.82%
14 other versions

Relationships

PE file structure

Show functions

Import table

advapi32.dll

CloseServiceHandle, OpenServiceW, OpenSCManagerW, SetSecurityDescriptorDacl, InitializeSecurityDescriptor, StartServiceW, RegCloseKey, RegOpenKeyExW, RegQueryValueExW, RegDeleteKeyW, RegDeleteValueW, RegNotifyChangeKeyValue, RegCreateKeyExW, RegSetValueExW, RegQueryInfoKeyW, RegEnumKeyExW, RegSetKeySecurity, RegOpenKeyW, ConvertStringSecurityDescriptorToSecurityDescriptorW, RegSetValueExA, RegOpenKeyExA, RegEnumValueW

audioeng.dll

AERT_Allocate, AERT_Free

avrt.dll

AvSetMmThreadCharacteristicsW, AvSetMmThreadPriority, AvRevertMmThreadCharacteristics

kernel32.dll

WaitForSingleObject, CreateMutexW, UnmapViewOfFile, ResetEvent, CreateFileMappingW, GetVersionExW, WriteFile, GetLocalTime, GetDateFormatW, GetTimeFormatW, SetFilePointer, MapViewOfFile, RaiseException, CloseHandle, GetLastError, DeviceIoControl, CreateFileW, lstrlenW, EnterCriticalSection, LeaveCriticalSection, InitializeCriticalSection, DeleteCriticalSection, InterlockedIncrement, InterlockedDecrement, lstrcmpiW, SetEvent, InterlockedExchange, WaitForMultipleObjects, CreateThread, CreateEventW, FreeLibrary, MultiByteToWideChar, SizeofResource, LoadResource, FindResourceW, LoadLibraryExW, GetModuleHandleW, GetModuleFileNameW, VerifyVersionInfoW, VerSetConditionMask, LocalFree, SetThreadLocale, GetThreadLocale, HeapDestroy, HeapAlloc, HeapFree, HeapReAlloc, HeapSize, GetProcessHeap, GetVersionExA, WideCharToMultiByte, Sleep, InterlockedCompareExchange, QueryPerformanceCounter, GetTickCount, GetCurrentThreadId, GetCurrentProcessId, GetSystemTimeAsFileTime, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, OutputDebugStringA, GetCurrentProcess, CreateEventA, CreateMutexA, CreateFileMappingA, GetVersion, LockResource, FindResourceExW, GetProcAddress, LoadLibraryW, OpenEventW, ReleaseMutex, SystemTimeToFileTime, InterlockedPushEntrySList, InterlockedFlushSList, InterlockedPopEntrySList, InitializeSListHead, TerminateThread, OpenMutexW, WaitForSingleObjectEx, SetThreadPriority, GetThreadPriority, GetPriorityClass, OpenFileMappingW, ResumeThread, DuplicateHandle

msvcrt.dll

DllMain

ole32.dll

StringFromGUID2, CoTaskMemRealloc, CoTaskMemAlloc, CLSIDFromString, PropVariantClear, CoTaskMemFree, CoCreateInstance

setupapi.dll

SetupDiDestroyDeviceInfoList, SetupDiEnumDeviceInterfaces, SetupDiGetClassDevsW, SetupDiGetDeviceInterfaceDetailW, SetupDiGetDeviceInterfaceAlias

user32.dll

UnregisterClassA, CharNextW, RegisterWindowMessageW, SetTimer, KillTimer

ws2_32.dll

WSACloseEvent, WSAEventSelect, WSACreateEvent, WSAWaitForMultipleEvents, WSAEnumNetworkEvents

Export table

DllCanUnloadNow

DllGetClassObject

DllRegisterServer

DllUnregisterServer

RTKAPO.Dll

Realtek(r) LFX/GFX DSP component by Realtek Semiconductor Corp (Signed)

Remove RTKAPO.Dll

Version:	11, 0, 6000, 85
MD5:	2cbae1c9bb239ceff689330e945e2655
SHA1:	ffe444a88c4811a2c045acb7f54923bd91134c72
SHA256:	cc2b46938c7a6a1551dc9c8facfb53eae68469edd020b61a9772593a2e5f5813

Overview

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

Details

File name:	rtkapo.dll
Publisher:	Realtek Semiconductor Corp.
Product name:	Realtek(r) LFX/GFX DSP component
Typical file path:	C:\Windows\System32\rtkapo.dll
File version:	11, 0, 6000, 85
Size:	2.39 MB (2,510,368 bytes)
Certificate
Issued to:	Realtek Semiconductor Corp
Authority (CA):	VeriSign
Expiration date:	Friday, June 11, 2010
Digital DNA
PE subsystem:	Windows Console
File packed:	No
Code language:	Microsoft Visual C++
.NET CLR:	No

More details

Distribution by Windows OS

OS version	distribution
Windows Vista Home Premium	30.33%
Windows 7 Ultimate	22.95%
Windows 7 Home Premium	10.66%
Windows 7 Professional	9.02%
Windows Vista Home Basic	8.20%
Windows 7 Starter	6.56%
Windows 8 Pro	3.28%
Windows Vista Ultimate	1.64%
Windows 7 Home Basic	1.64%
Windows 7 Enterprise	1.64%
Windows Vista Business	1.64%
Windows Se7en Titan	0.82%
Windows Seven Black Edition	0.82%
Microsoft Windows XP	0.82%

Distribution by country

United States installs about 32.79% of Realtek(r) LFX/GFX DSP component.

Distribution by PC manufacturer

PC Manufacturer	distribution
Toshiba	19.26%
Acer	15.56%
Dell	14.81%
ASUS	13.33%
Hewlett-Packard	10.37%
Gateway	4.44%
Medion	4.44%
Sony	4.44%
Samsung	3.70%
GIGABYTE	2.96%
Lenovo	2.96%
Intel	1.48%
American Megatrends	1.48%
Sahara	0.74%

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