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:	340aacbbb9deaab3bf43bd1139a629e0
SHA1:	507f9bff7a60a7639eb1d76432349c3ac58178c7
SHA256:	fc3a0521e4b9e6c9fa03551be42e37aa0cc01a66ba34846ec6ee971eea3675dd

Overview

rtkapo.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 Realtek AC'97 Audio published by Realtek Semiconductor Corp., Realtek AC'97 Audio from Realtek Semiconductor Corp. and Realtek AC'97 Audio by Realtek Semiconductor Corp.. 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

Programs

The following programs will install this file

Realtek AC'97 Audio

Realtek Semiconductor Corp.

5% remove

“Audio drivers available for download from the Realtek website are general drivers for our audio ICs, and may not offer the customizations made by your system/motherboard manufacturer. (To be sure you obtain the full features/customizations provided in your original audio product, please download the latest drivers from your system/motherboard manufacturer's website.)”

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%

Remove Adware and Spyware Programs, FREE Download!