What is the "stacsv64.exe" process on Windows 8? Is the "stacsv64.exe" process a virus? Can I terminate the "stacsv64.exe" process?

"stacsv64.exe" process represents "IDT PC Audio" program.

"stacsv64.exe" process is normally running under the parent process "Boot" as shown in the process tree below:

Boot
   stacsv64

On the Processes tab of "Task Manager", "stacsv64.exe" process may be listed as:

Image Name                 Memory   Description
--------------------   ----------   -----------
stacsv64.exe              3,872 K   IDT PC Audio

Additional information about "stacsv64.exe" process:

Command line:
   "C:\Program Files\IDT\WDM\STacSV64.exe"

Programe file information:
   Name: stacsv64.exe
   Location: C:\Program Files\IDT\WDM\STacSV64.exe
   Description: IDT PC Audio
   Version: 1.0.6418.0
   Size: 321536 bytes
   Last modified: 7/24/2012 6:59:56 AM
   Company Name: IDT, Inc.
   
Some data files used:
C:\Windows\System32

Some registry keys used:
HKLM\SYSTEM\ControlSet001\Control\SESSION MANAGER
HKLM\SYSTEM\ControlSet001\Control\Nls\Sorting\Versions
HKU\.DEFAULT\Control Panel\International
HKLM\SOFTWARE\MICROSOFT\WindowsRuntime\CLSID
HKCR\ActivatableClasses\CLSID
HKLM\SYSTEM\ControlSet001\Control\Nls\Sorting\Ids

Some DLL libraries used:
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\system32\KERNEL32.DLL
C:\Windows\system32\KERNELBASE.dll
C:\Windows\system32\ADVAPI32.dll
C:\Windows\system32\msvcrt.dll
C:\Windows\SYSTEM32\ATL.DLL
C:\Windows\system32\USER32.dll
C:\Windows\system32\ole32.dll
C:\Windows\system32\OLEAUT32.dll
C:\Windows\system32\SETUPAPI.dll

"stacsv64.exe" process is not a virus. You should not terminate "stacsv64.exe" process.

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