Should I block it?

60%
60% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

1.0.32.7 57.69%
1.0.32.3 15.38%
1.0.32.2 26.92%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegNotifyChangeKeyValue, OpenSCManagerA, OpenServiceA, CloseServiceHandle, StartServiceA, RegEnumKeyExA, RegOpenKeyA, RegQueryValueExA, RegCloseKey, RegOpenKeyExA, RegCreateKeyExA, RegSetValueExA, CreateServiceA, ControlService, QueryServiceStatus, DeleteService, StartServiceCtrlDispatcherA, RegisterServiceCtrlHandlerA, SetServiceStatus, RegisterEventSourceA, ReportEventA, DeregisterEventSource, ConvertStringSecurityDescriptorToSecurityDescriptorA, InitializeSecurityDescriptor
kernel32.dll
CreateFileA, GetLastError, WaitForMultipleObjects, GetLocalTime, GetDateFormatA, GetTimeFormatA, SetFilePointer, GetModuleHandleA, GetModuleFileNameA, lstrlenA, CreateThread, CreateEventA, SetThreadPriority, ResumeThread, SetEvent, WaitForSingleObject, CloseHandle, Sleep, WriteFile, MultiByteToWideChar, SetConsoleCtrlHandler, FormatMessageA, LocalFree, GetOverlappedResult, DisconnectNamedPipe, CreateNamedPipeA, ResetEvent, ConnectNamedPipe, ReadFile, InterlockedExchange, GetACP, GetLocaleInfoA, GetThreadLocale, GetVersionExA, FlushFileBuffers, WriteConsoleW, GetConsoleOutputCP, HeapReAlloc, HeapAlloc, HeapFree, GetProcAddress, ExitProcess, GetCommandLineA, GetProcessHeap, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, DeleteCriticalSection, LeaveCriticalSection, EnterCriticalSection, HeapDestroy, HeapCreate, VirtualFree, VirtualAlloc, HeapSize, GetCPInfo, InterlockedIncrement, InterlockedDecrement, GetOEMCP, IsValidCodePage, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, SetLastError, GetCurrentThreadId, GetStdHandle, LoadLibraryA, InitializeCriticalSection, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, WideCharToMultiByte, GetEnvironmentStringsW, SetHandleCount, GetFileType, GetStartupInfoA, QueryPerformanceCounter, GetTickCount, GetCurrentProcessId, GetSystemTimeAsFileTime, GetConsoleCP, GetConsoleMode, RtlUnwind, LCMapStringA, LCMapStringW, GetStringTypeA, GetStringTypeW, SetStdHandle, WriteConsoleA

AESTSrv.exe

APO Access Service (32-bit) by Andrea Electronics

Remove AESTSrv.exe
Version:   1.0.32.2
MD5:   ef1142512bec12f1c2c87735da1755be
SHA1:   3168092052988b938f213674431645080b2a7da0
SHA256:   236efd8fba717123e0cf5a136acebb80a2be1fa4b1a9a2c74728bc4eb4e787d8

What is AESTSrv.exe?

Andrea filters APO access service (32-bit) for audio devices mostly used with Microphones, for noise cancellation.

Overview

aestsrv.exe runs as a service under the name Andrea ST Filters Service (AESTFilters) within the local user context. It is installed with a couple of know programs including SigmaTel Audio published by SigmaTel and IDT Audio published by IDT.

DetailsDetails

File name:aestsrv.exe
Publisher:Andrea Electronics Corporation
Product name:APO Access Service (32-bit)
Description:Andrea filters APO access service (32-bit)
Typical file path:C:\Windows\System32\driverstore\filerepository\stwrt.inf_x86_neutral_24288096a5cd99f6\aestsrv.exe
File version:1.0.32.2
Size:72 KB (73,728 bytes)
Digital DNA
Entropy:6.006288
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
IDT
9% remove
This program contains the driver that enables the IDT High-Definition (HD) Audio in supported notebook models that are running a supported operating system.
SigmaTel
12% remove
SigmaTel Audio is (was) a line of audio codec chips that were integrated into many desktops, notebooks, and other audio playback devices, notably MP3 players. Audio encoding and recording to flash memory in MP3 and WAV formats are supported from microphone, SigmaTel FM IC (STFM1000) digital audio source, or line-in. Printed Circuit Board (PCB) layouts and reference schematics were provided to OEM and Original Development Manufacturing (...

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'AESTFilters' (Andrea ST Filters Service)
  • 'AESTFilters'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 46.15%
Windows 7 Professional 15.38%
Windows Vista Home Premium 11.54%
Windows Vista Home Basic 11.54%
Windows 7 Enterprise 7.69%
Windows 7 Home Premium 3.85%
Windows 8 Pro 3.85%

Distribution by countryDistribution by country

United States installs about 30.43% of APO Access Service (32-bit).

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 72.22%
Dell 22.22%
Acer 5.56%
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