IDT Audio by IDT

Remove STacSV.exe


There are 4 versions of STacSV.exe in the wild, the latest version being 1.0.5866.0 nd694 cp1. It is started as a Windows Service called 'Audio Service' with the name 'STacSV' and described as “Manages audio jack configurations.”. . In addition, it is run under the context of the SYSTEM account with extensive privileges (the administrator accounts have the same privileges). The average file size is about 152 KB. Numerous variations of STacSV.exe have been installed with both SigmaTel Audio and IDT Audio. During the process's lifecycle, the typical CPU resource utilization is about 0.0003% including both foreground and background operations, the average private memory consumption is about 6.68 MB. Addionally, typically read and write I/O disk operations is about 0 Bytes per minute for reads and 0 Bytes per minute for writes.

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.


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
Windows Service
Service name:STacSV
Display name:Audio Service
Description:“Manages audio jack configurations.”

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of IDT Audio.)
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.
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 mem...


(Note, the behaviors below are for all versions of STacSV.exe, select a unique version for details.)
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'STacSV' (Audio Service)
  • STacSV
  • 'STacSV' (SigmaTel Audio Service)

VersionsAll file variations of STacSV.exe

MD5SHA-1File size
71679f24d0d0b2c6403bb5ac57026e99 5b97708f0f98672a259e62aa773f6d1b80fb7f3f 100 KB
b9d5850cd84686cc8d1e44903b68b5a9 56643bf0b6915b85896af8fb88966656a2867e58 208 KB
7e6dd4b34acd36af6c711d2bde91b040 0cb320fe758472ef7607be2ec4f7f5a3858fe3bc 100 KB
f70ab08582e06a8bda3e470592d1a394 a5fede23045284b29599adb27a81bdd07d149d29 200 KB

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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