Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

1.0.5866.0 nd694 cp1 66.67%
1.0.5713.0 nd645 cp1 6.67%
1.0.5614.0 nd654 cp1 20.00%
1.0.5607.0 nd609 cp1 6.67%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegCloseKey, RegEnumValueA, RegQueryInfoKeyA, CopySid, GetLengthSid, IsValidSid, LookupAccountNameA, GetUserNameA, StartServiceCtrlDispatcherA, ChangeServiceConfig2A, CloseServiceHandle, CreateServiceA, OpenSCManagerA, RegSetValueExA, RegCreateKeyA, DeleteService, QueryServiceStatus, ControlService, OpenServiceA, RegDeleteValueA, StartServiceA, RegisterServiceCtrlHandlerExA, SetServiceStatus, DeregisterEventSource, ReportEventA, RegisterEventSourceA, RegQueryValueExA, RegOpenKeyExA, RegDeleteKeyA, RegCreateKeyExA, SetSecurityDescriptorDacl, InitializeSecurityDescriptor, RegSetValueExW, RegCreateKeyExW, RegQueryValueExW, RegOpenKeyExW
kernel32.dll
Sleep, GetProcAddress, GetModuleHandleA, SetConsoleCtrlHandler, LocalFree, FormatMessageA, GlobalFree, GlobalAlloc, GetStdHandle, AllocConsole, CallNamedPipeA, CloseHandle, WaitForSingleObject, WaitForMultipleObjects, ResetEvent, SetEvent, CreateThread, CreateEventA, DisconnectNamedPipe, FlushFileBuffers, WriteFile, ReadFile, ConnectNamedPipe, CreateNamedPipeA, ExitThread, MultiByteToWideChar, LoadLibraryA, FreeLibrary, CreateFileA, CreateFileW, DeviceIoControl, SetLastError, GetVersionExA, GetLastError, OutputDebugStringA, GetModuleFileNameA, LocalAlloc, InterlockedDecrement, WideCharToMultiByte
msvcrt.dll
DllMain
ole32.dll
CoUninitialize, CoCreateInstance, CoInitialize
setupapi.dll
CM_Locate_DevNodeA, SetupDiGetDeviceRegistryPropertyA, SetupDiGetClassDevsA, SetupDiEnumDeviceInterfaces, SetupDiGetDeviceInterfaceDetailW, SetupDiOpenDevRegKey, CM_Reenumerate_DevNode, SetupDiGetClassDevsExA, SetupDiEnumDeviceInfo, SetupDiDestroyDeviceInfoList
user32.dll
DestroyWindow, wsprintfA, DefWindowProcA, CreateWindowExA, RegisterClassA, RegisterDeviceNotificationA, PostMessageA, UnregisterDeviceNotification
winmm.dll
mixerMessage, mixerGetNumDevs

STacSV.exe

IDT Audio by IDT

Remove STacSV.exe
Version:   1.0.5713.0 nd645 cp1
MD5:   b9d5850cd84686cc8d1e44903b68b5a9
SHA1:   56643bf0b6915b85896af8fb88966656a2867e58
SHA256:   43d667eab7da6bd8f8c87a250a16983e7506e7e8b18fb028d5d378e408498ebe

What is STacSV.exe?

IDT Audio Drivers are driver for audio devices installed within the PC. The drivers are distributed through the PC manufacture (OEM) directly.

Overview

STacSV.exe runs as a service under the name Audio Service (STacSV) within the local user context.

DetailsDetails

File name:STacSV.exe
Publisher:IDT, Inc.
Product name:IDT Audio
Description:STacSV Module
Typical file path:C:\Windows\System32\driverstore\filerepository\stwrt.inf_x86_neutral_24288096a5cd99f6\stacsv.exe
File version:1.0.5713.0 nd645 cp1
Size:208 KB (212,992 bytes)
Digital DNA
PE subsystem:Windows Console
Entropy:5.965076
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'STacSV' (Audio Service)
  • STacSV
  • 'STacSV' (SigmaTel Audio Service)

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00087424%
0.028634%
Kernel CPU:0.00032745%
0.013761%
User CPU:0.00054679%
0.014873%
Kernel CPU time:2,421,875 ms/min
100,923,805ms/min
Context switches:68/sec
284/sec
Memory
Private memory:2.75 MB
21.59 MB
Private (maximum):3.58 MB
Private (minimum):628 KB
Non-paged memory:2.75 MB
21.59 MB
Virtual memory:28.56 MB
140.96 MB
Virtual memory (peak):30.56 MB
169.69 MB
Working set:1.04 MB
18.61 MB
Working set (peak):3.58 MB
37.95 MB
Resource allocations
Threads:8
12
Handles:176
600
GUI GDI count:4
103
GUI USER count:2
49

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command line:"C:\Program Files\idt\122004040631\stacsv.exe"
Owner:User
Windows Service
Service name:STacSV
Display name:Audio Service
Description:“Manages audio jack configurations.”
Type:Win32OwnProcess
Parent process:services.exe (by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 66.67%
Windows Vista Home Premium 20.00%
Microsoft Windows XP 13.33%

Distribution by countryDistribution by country

United States installs about 70.00% of IDT Audio.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Sony 66.67%
Dell 33.33%
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