stacsv64.exe is a program which is probably NOT a virus or malware. So, if stacsv64.exe is on your system, it is probably ok, and will NOT be a cause for concern. Even if your PC is virus-free, it is still recommended to run a good antivirus with a good track record, in order to yourself your PC against threats.
This application is usually found in C:\Program Files\IDT\WDM\stacsv64.exe.
The MD5 fingerprint for this file is b00068ba94f5f306911b14b425aaeb56.
This application is registered as a Windows service. This means it operates on your system in background, usually without displaying anything to you. Most Windows services are useful programs, which perform useful functions to other applications or to Windows in general.
This is a x64 executable. It uses the full capacity of modern computer processors.
The description stored in the program is IDT PC Audio.
File version stored as a property 1.0.6292.0.
Company name IDT, Inc..
Legal copyright Copyright © 2004 - 2009 IDT, Inc..
Some dangerous functions of Windows have been used, such as functions for tapping the keyboard. We recommend you to perform more in-depth research about this program.
stacsv64.exe is digitally signed. Nowadays the large majority of virus-free software applications are digitally signed.
The digital signature attached to stacsv64.exe checks out perfectly. This is most likely a clean, ok program.
Digital certificate name: Microsoft Windows Hardware Compatibility Publisher
Certificate's issuer name: Microsoft Windows Hardware Compatibility PCA
This program does NOT have a removal routine set up in registry.