What is sdxhelper.exe?

sdxhelper.exe is part of Microsoft Office and developed by Microsoft Corporation according to the sdxhelper.exe version information.

sdxhelper.exe's description is "Microsoft Office SDX Helper"

sdxhelper.exe is digitally signed by Microsoft Corporation.

sdxhelper.exe is usually located in the 'C:\Program Files (x86)\Microsoft Office\root\Office16\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about sdxhelper.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 sdxhelper.exe:

PropertyValue
Product nameMicrosoft Office
Company nameMicrosoft Corporation
File descriptionMicrosoft Office SDX Helper
Internal nameSDXHELPER
Original filenameSDXHELPER.EXE
Product version16.0.12026.20320
File version16.0.12026.20320

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

Product nameMicrosoft Office
Company nameMicrosoft Corporation
File descriptionMicrosoft Office SDX Helper
Internal nameSDXHELPER
Original filenameSDXHELPER.EXE
Product version16.0.12026.20320
File version16.0.12026.20320

Digital signatures [?]

sdxhelper.exe has a valid digital signature.

PropertyValue
Signer nameMicrosoft Corporation
Certificate issuer nameMicrosoft Code Signing PCA
Certificate serial number33000001e37da31f8284dce4a10002000001e3

VirusTotal report

None of the 65 anti-virus programs at VirusTotal detected the sdxhelper.exe file.

None of the 65 anti-virus programs detected the sdxhelper.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": 1570873984.3438,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "d:\\dbs\\el\\aug\\Target\\x86\\ship\\postc2r\\x-none\\sdxhelper.pdb\u0000lper.pdb\u00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": ".c2r",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    }
]

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": 3.0782799720764,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5074,
            "time": 3.0375120639801,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5402,
            "time": 1.0195751190186,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5730,
            "time": 3.0495901107788,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6058,
            "time": 1.5180990695953,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6386,
            "time": -0.090172052383423,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6714,
            "time": 1.5342540740967,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15396,
            "time": 1.0417511463165,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 19588,
            "time": 3.140762090683,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "56f89b56de79a2273d120327fd76a70315b73cd43c7f01904e0cbe0be12fa19f",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "c76944a2951a14be3ed3448e335a3e524bdf7d1bf39b8e2c86b87402ecbbe917",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Other files also named sdxhelper.exe

sdxhelper.exe (33 votes)

Hashes [?]

PropertyValue
MD5639c0db8db109550ae5edc0a15b90787
SHA256c53c011dda50d80d382006736505a888fcf0691f9a471bbabc263da1592292ea

Error Messages

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

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

sdxhelper.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.

Microsoft Office SDX Helper has stopped working.

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

sdxhelper.exe is not a valid Win32 application.

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

What will you do with sdxhelper.exe?

To help other users, please let us know what you will do with sdxhelper.exe:



What did other users do?

The poll result listed below shows what users chose to do with sdxhelper.exe. 100% have voted for removal. Based on votes from 1 user.

Votes
Keep0 %
0
Remove100 %
1

NOTE: Please do not use this poll as the only source of input to determine what you will do with sdxhelper.exe. Only 1 user 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


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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.

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