What is dnscrypt-proxy.exe?

dnscrypt-proxy.exe is part of Cisco DNS Proxy and developed by Cisco Systems, Inc. according to the dnscrypt-proxy.exe version information.

dnscrypt-proxy.exe's description is "Cisco DNS Proxy"

dnscrypt-proxy.exe is digitally signed by OpenDNS.

dnscrypt-proxy.exe is usually located in the 'C:\Program Files (x86)\OpenDNS\Umbrella Roaming Client\' folder.

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

PropertyValue
Product nameCisco DNS Proxy
Company nameCisco Systems, Inc.
File descriptionCisco DNS Proxy
Internal namednscrypt-proxy
Original filenamednscrypt-proxy.exe
Legal copyrightCopyright 2004-2017, Cisco Systems, Inc.
Product version2,5,0,0
File version2,5,0,0

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

Product nameCisco DNS Proxy
Company nameCisco Systems, Inc.
File descriptionCisco DNS Proxy
Internal namednscrypt-proxy
Original filenamednscrypt-proxy.exe
Legal copyrightCopyright 2004-2017, Cisco Systems, ..
Product version2,5,0,0
File version2,5,0,0

Digital signatures [?]

dnscrypt-proxy.exe has a valid digital signature.

PropertyValue
Signer nameOpenDNS
Certificate issuer nameCOMODO RSA Code Signing CA
Certificate serial number009078e5e32e91bf2599c4d19f39d981b1

VirusTotal report

None of the 66 anti-virus programs at VirusTotal detected the dnscrypt-proxy.exe file.

None of the 66 anti-virus programs detected the dnscrypt-proxy.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": 1577836385.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "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": ".rodata",
                "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": 662,
            "time": 6.20430588722229,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5190,
            "time": 6.165723085403442,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5518,
            "time": 4.159658908843994,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5846,
            "time": 6.178395986557007,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6174,
            "time": 4.660876989364624,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6502,
            "time": 3.0384879112243652,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6830,
            "time": 4.688123941421509,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16628,
            "time": 4.198754072189331,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 25012,
            "time": 6.250439882278442,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "a24af831ca1b3763b659b14b6dc04e0147cefda0d835e49997a90a66fd4b20c4",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "a75db19dd94f2edffa90816b936e8fe68ecab0745995a3451ea93df6d8222782",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandboxScreenshot from the sandbox

Other files also named dnscrypt-proxy.exe

dnscrypt-proxy.exe (3 votes)

TCP/UDP Listening Ports [?]

dnscrypt-proxy.exe has been reported to listen on the following TCP/UDP ports.

PortProtocol# Occurrences
53UDP v41

Hashes [?]

PropertyValue
MD5173b371d0069c71c379175049ce50e0c
SHA2566158160e04bb538a9350d85ce7787a673a1530ddfe90339a495049c605e59800

Error Messages

These are some of the error messages that can appear related to dnscrypt-proxy.exe:

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

dnscrypt-proxy.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.

Cisco DNS Proxy has stopped working.

End Program - dnscrypt-proxy.exe. This program is not responding.

dnscrypt-proxy.exe is not a valid Win32 application.

dnscrypt-proxy.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:



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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