Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

1.0.6428.0 3.03%
1.0.6365.0 9.09%
1.0.6341.0 9.09%
1.0.6304.0 3.03%
1.0.6300.0 3.03%
1.0.6289.0 3.03%
1.0.6288.0 9.09%
1.0.6276.0 15.15%
1.0.6268.0 3.03%
1.0.6267.0 9.09%
1.0.6233.234 3.03%
1.0.6225.0 9.09%
1.0.6224.6 3.03%
1.0.6159.0 3.03%
1.0.6147.0 3.03%
1.0.6087.22 3.03%
1.0.6087.0 3.03%
1.0.6033.2 3.03%
1.0.5790.2 3.03%

Relationships

Parent process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegCloseKey, RegQueryValueExW, RegOpenKeyExW, RegSetValueExW, RegCreateKeyExW, 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, RegNotifyChangeKeyValue, SetSecurityDescriptorDacl, InitializeSecurityDescriptor, InitiateSystemShutdownA, AdjustTokenPrivileges, LookupPrivilegeValueA, OpenProcessToken, RevertToSelf, CreateProcessAsUserA, DuplicateTokenEx
kernel32.dll
GetProcAddress, GetVersionExA, InterlockedDecrement, InitializeCriticalSection, LoadLibraryA, CloseHandle, DeleteCriticalSection, MultiByteToWideChar, SetEvent, GetCurrentThreadId, GetLocalTime, OutputDebugStringA, GetLastError, DebugBreak, GetModuleFileNameA, Sleep, GetModuleHandleA, SetConsoleCtrlHandler, LocalFree, FormatMessageA, GlobalFree, GlobalAlloc, GetStdHandle, AllocConsole, CallNamedPipeA, LeaveCriticalSection, EnterCriticalSection, ReleaseMutex, WaitForSingleObject, ResetEvent, WaitForMultipleObjects, lstrlenW, CreateThread, CreateEventA, DisconnectNamedPipe, FlushFileBuffers, WriteFile, ReadFile, ConnectNamedPipe, CreateNamedPipeA, ExitThread, GetUserDefaultUILanguage, GetUserDefaultLangID, GetSystemDefaultLangID, CopyFileA, DeleteFileA, GetCurrentProcess, WideCharToMultiByte, lstrlenA, FreeLibrary, CreateMutexA, LocalAlloc, CreateFileA, CreateFileW, DeviceIoControl, SetLastError, GetCurrentThread, SetThreadPriority, SetPriorityClass, GetThreadPriority, GetPriorityClass, ExpandEnvironmentStringsA, WTSGetActiveConsoleSessionId
msvcp60.dll
DllMain
msvcrt.dll
DllMain
ole32.dll
CoCreateInstance, CoInitialize, CoUninitialize
setupapi.dll
SetupDiGetDeviceRegistryPropertyA, SetupDiDestroyDeviceInfoList, SetupDiEnumDeviceInfo, SetupDiGetClassDevsExA, CM_Reenumerate_DevNode, CM_Locate_DevNodeA, SetupDiOpenDevRegKey, SetupDiGetDeviceInterfaceDetailW, SetupDiEnumDeviceInterfaces, SetupDiGetClassDevsA
shell32.dll
SHGetFolderPathA, SHFileOperationA
user32.dll
PostMessageA, UnregisterDeviceNotification, RegisterDeviceNotificationA, CreateWindowExA, DefWindowProcA, DestroyWindow, wsprintfA, RegisterClassA
winmm.dll
mixerMessage, mixerGetNumDevs
wtsapi32.dll
WTSQueryUserToken

STacSV.exe

IDT PC Audio by IDT

Remove STacSV.exe
Version:   1.0.6289.0
MD5:   d44d3387809eedb5564735ec27be700e
SHA1:   5791e5edaffbe1852b6aed0e5158130f51ed3f61
SHA256:   c7fa6c95e52247a84e586e8a3b38834092e7777a45860c1fc3f0480f29b76979

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) with extensive SYSTEM privileges (full administrator access).

DetailsDetails

File name:stacsv.exe
Publisher:IDT, Inc.
Product name:IDT PC Audio
Typical file path:C:\Program Files\idt\wdm\stacsv.exe
File version:1.0.6289.0
Size:232.08 KB (237,650 bytes)
Digital DNA
PE subsystem:Windows Console
File packed:No
Code language:Microsoft Visual C++ 6.0
.NET CLR:No
More details

BehaviorsBehaviors

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

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00031863%
0.028634%
Kernel CPU:0.00016519%
0.013761%
User CPU:0.00015344%
0.014873%
Kernel CPU time:5,788 ms/min
100,923,805ms/min
Memory
Private memory:10.19 MB
21.59 MB
Private (maximum):4.52 MB
Private (minimum):3.54 MB
Non-paged memory:10.19 MB
21.59 MB
Virtual memory:48.43 MB
140.96 MB
Virtual memory (peak):52.43 MB
169.69 MB
Working set:4.16 MB
18.61 MB
Working set (peak):5.48 MB
37.95 MB
Resource allocations
Threads:12
12
Handles:174
600

BehaviorsProcess properties

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

ResourcesThreads

Averages
 
STacSV.exe (main module)
Total CPU:0.00476511%
0.272967%
Kernel CPU:0.00154473%
0.107585%
User CPU:0.00322038%
0.165382%
CPU cycles:134,799/sec
5,741,424/sec
Memory:236 KB
1.16 MB
sechost.dll
Total CPU:0.00027491%
Kernel CPU:0.00014400%
User CPU:0.00013091%
CPU cycles:6,454/sec
Memory:100 KB
MMDevApi.dll
Total CPU:0.00006545%
Kernel CPU:0.00003927%
User CPU:0.00002618%
CPU cycles:3,101/sec
Memory:228 KB
ole32.dll
Total CPU:0.00001309%
Kernel CPU:0.00001309%
User CPU:0.00000000%
CPU cycles:178/sec
Memory:1.36 MB

Common loaded modules

These are modules that are typiclaly loaded within the context of this process.

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 33.33%
Windows 7 Professional 18.18%
Windows Vista Home Premium 12.12%
Microsoft Windows XP 12.12%
Windows 7 Enterprise 6.06%
Windows Vista Home Basic 6.06%
Windows 7 Home Premium 3.03%
Windows 8 Enterprise 3.03%
Windows 7 Starter 3.03%
Windows 8 Pro 3.03%

Distribution by countryDistribution by country

United States installs about 24.24% of IDT PC Audio.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 64.29%
Dell 14.29%
Acer 7.14%
Intel 7.14%
ASUS 7.14%
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