Should I block it?

No, this file is 100% safe to run.

Additional versions

1.0.6491.0	0.37%
1.0.6482.0	1.12%
1.0.6479.0	0.37%
1.0.6472.0	0.37%
1.0.6457.0	1.12%
1.0.6454.0	1.12%
1.0.6433.0	4.49%
1.0.6429.0	1.87%
1.0.6428.0	1.87%
1.0.6425.0	2.62%
1.0.6418.0	4.87%
1.0.6417.0	5.99%
1.0.6400.0	1.50%
1.0.6392.0	4.12%
1.0.6381.0	5.99%
1.0.6370.0	1.12%
1.0.6367.0	1.50%
1.0.6365.0	8.99%
1.0.6359.0	0.37%
1.0.6351.0	1.12%
1.0.6349.0	0.37%
1.0.6345.0	4.49%
1.0.6341.0	5.62%
1.0.6336.0	0.37%
1.0.6330.0	0.37%
View more
1.0.6329.0	1.12%
1.0.6328.0	0.37%
1.0.6327.0	0.37%
1.0.6325.0	0.37%
1.0.6324.0	5.62%
1.0.6320.0	0.37%
1.0.6300.0	0.37%
1.0.6292.0	2.62%
1.0.6289.0	5.62%
1.0.6288.0	1.12%
1.0.6276.0	11.61%
1.0.6272.0	1.12%
1.0.6267.0	1.87%
1.0.6265.0	0.37%
1.0.6225.0	3.37%
1.0.6217.0	0.37%
1.0.6209.0	0.37%
1.0.6087.22	0.37%
1.0.6087.0	0.37%

Relationships

Parent process

services.exe (Services and Controller app by Microsoft)

Related files

stacsv64.exe

IDT PC Audio by IDT

Remove stacsv64.exe

Version:	1.0.6367.0
MD5:	d343109df7dafec3c75ac65446f5a1a9
SHA1:	7d02cc8e4e82dc30dd516de1e19586ae4005fa0b
SHA256:	4378eaff1db43a2364129488507de25cf60f128ea21898f6c530dc53b25141c9

What is stacsv64.exe?

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

Overview

stacsv64.exe runs as a service under the name Audio Service (STacSV) with extensive SYSTEM privileges (full administrator access). The assembly utilizes the .NET run-time framework (which is required to be installed on the PC).

Details

File name:	stacsv64.exe
Publisher:	IDT, Inc.
Product name:	IDT PC Audio
Typical file path:	C:\Program Files\idt\wdm\stacsv64.exe
File version:	1.0.6367.0
Size:	301.5 KB (308,736 bytes)
Digital DNA
File packed:	No
Code language:	Microsoft Visual C# / Basic .NET
.NET CLR:	Yes
.NET NGENed:	No

More details

Behaviors

Services

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

'STacSV' (Audio Service)
STacSV

Resource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)

Averages

CPU
Total CPU:	0.00268095%	0.028634%
Kernel CPU:	0.00145805%	0.013761%
User CPU:	0.00122290%	0.014873%
Kernel CPU time:	1,357 ms/min	100,923,805ms/min
CPU cycles:	5,341,823/sec	17,470,203/sec
Context switches:	44/sec	284/sec
Memory
Private memory:	12.73 MB	21.59 MB
Private (maximum):	9.33 MB
Private (minimum):	9.29 MB
Non-paged memory:	12.73 MB	21.59 MB
Virtual memory:	69.77 MB	140.96 MB
Virtual memory (peak):	71.77 MB	169.69 MB
Working set:	9.32 MB	18.61 MB
Working set (peak):	9.5 MB	37.95 MB
Page faults:	5,821/min	2,039/min
I/O
I/O read transfer:	0 Bytes/sec	1.02 MB/min
I/O read operations:	1/sec	343/min
I/O write transfer:	0 Bytes/sec	274.99 KB/min
I/O write operations:	1/sec	227/min
I/O other transfer:	1.99 KB/sec	448.09 KB/min
I/O other operations:	595/sec	1,671/min
Resource allocations
Threads:	18	12
Handles:	222	600

Process properties

Integrety level:	System
Platform:	64-bit
Command line:	"C:\Program Files\idt\wdm\stacsv64.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)

Threads

Averages

STacSV64.exe (main module)
Total CPU:	0.00419938%	0.272967%
Kernel CPU:	0.00279573%	0.107585%
User CPU:	0.00140365%	0.165382%
CPU cycles:	124,337/sec	5,741,424/sec
Memory:	316 KB	1.16 MB
sechost.dll
Total CPU:	0.00095619%
Kernel CPU:	0.00002554%
User CPU:	0.00093065%
CPU cycles:	217,830/sec
Context switches:	1/sec
Memory:	124 KB
stapi64.dll (IDT PC Audio by IDT)
Total CPU:	0.00013408%
Kernel CPU:	0.00008460%
User CPU:	0.00004948%
CPU cycles:	1,299,767/sec
Context switches:	5/sec
Memory:	656 KB
MMDevApi.dll
Total CPU:	0.00000160%
Kernel CPU:	0.00000000%
User CPU:	0.00000160%
CPU cycles:	44/sec
Memory:	300 KB

Common loaded modules

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

Distribution by Windows OS

OS version	distribution
Windows 7 Home Premium	54.00%
Windows 8	17.50%
Windows 7 Ultimate	8.00%
Windows 8.1	4.00%
Windows 7 Home Basic	4.00%
Windows 8 Pro with Media Center	4.00%
Windows 7 Professional	3.50%
Windows 8 Pro	3.50%
Windows 8 Enterprise	1.00%
Windows Vista Home Premium	0.50%

Distribution by country

United States installs about 57.36% of IDT PC Audio.

Distribution by PC manufacturer

PC Manufacturer	distribution
Hewlett-Packard	72.27%
Dell	26.36%
Lenovo	0.91%
Alienware	0.45%

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