What is dtsapo4service.exe?

dtsapo4service.exe is part of DTS APO4 Service and developed by DTS Inc. according to the dtsapo4service.exe version information.

dtsapo4service.exe's description is "Controls the DTS audio processing object."

dtsapo4service.exe is digitally signed by DTS, Inc..

dtsapo4service.exe is usually located in the 'c:\windows\system32\dts\pc\apo4x\' folder.

Some of the anti-virus scanners at VirusTotal detected dtsapo4service.exe.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on dtsapo4service.exe:

PropertyValue
Product nameDTS APO4 Service
Company nameDTS Inc.
File descriptionControls the DTS audio processing object.
Internal nameDtsApo4Service
Original filenameDtsApo4Service.exe
Legal copyrightCopyright (C) 2018
Product version1.4.2.0
File version1.4.2.0

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameDTS APO4 Service
Company nameDTS Inc.
File descriptionControls the DTS audio processing ob..
Internal nameDtsApo4Service
Original filenameDtsApo4Service.exe
Legal copyrightCopyright (C) 2018
Product version1.4.2.0
File version1.4.2.0

Digital signatures [?]

dtsapo4service.exe has a valid digital signature.

PropertyValue
Signer nameDTS, Inc.
Certificate issuer nameDigiCert EV Code Signing CA (SHA2)
Certificate serial number094ec48662a7045fe6403ce7c1bb7f46

VirusTotal report

1 of the 71 anti-virus programs at VirusTotal detected the dtsapo4service.exe file. That's a 1% detection rate.

ScannerDetection Name
eGambit Unsafe.AI_Score_80%
1 of the 71 anti-virus programs detected the dtsapo4service.exe file.

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

Successfully executed process in sandbox.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1603000386.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\Users\\jcheng\\Desktop\\Windows_source_code\\apo_4x_service-ud-dchu\\x64\\Release\\DtsApo4Service.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 546,
            "time": 3.1187031269073486,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3346,
            "time": 3.049596071243286,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3674,
            "time": 1.068493127822876,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4002,
            "time": 3.0581250190734863,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4330,
            "time": 1.5731329917907715,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4658,
            "time": -0.030476093292236328,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4986,
            "time": 1.5664610862731934,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 11456,
            "time": 1.0808770656585693,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15648,
            "time": 3.1339950561523438,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "ed4e0f8176b7c9cf580af422e410c306404608eb3bff4b43ebd6fb7570e1630c",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "27e91b838fedc5a9015b6b9554f8a66fac2ae46504af45c8cbaa00f45c8074eb",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Other files also named dtsapo4service.exe

dtsapo4service.exe (69 votes)

Hashes [?]

PropertyValue
MD53810bf2853ce4dac0d059432fc7a53ad
SHA256323a95f912df2490a0b4965be326c50060eafa7bddf4a44bb1668390960842de

Error Messages

These are some of the error messages that can appear related to dtsapo4service.exe:

dtsapo4service.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

dtsapo4service.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

Controls the DTS audio processing object. has stopped working.

End Program - dtsapo4service.exe. This program is not responding.

dtsapo4service.exe is not a valid Win32 application.

dtsapo4service.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with the file?

To help other users, please let us know what you will do with the file:



What did other users do?

The poll result listed below shows what users chose to do with the file. 25% have voted for removal. Based on votes from 4 users.

User vote results: There were 1 vote to remove and 3 votes to keep

NOTE: Please do not use this poll as the only source of input to determine what you will do with the file. Only 4 users has voted so far so it does not offer a high degree of confidence.

Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.

Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

meSleo007 writes

0 thumbs

I disabled it in services & will not reenable until an official description is provided by the author which makes sense & seems less shady....

I SMELL FISH! <><

# 27 Apr 2021, 16:45

Leave a reply