What is cxutilsvc.exe?

cxutilsvc.exe is part of Utility Service and developed by Conexant Systems, Inc. according to the cxutilsvc.exe version information.

cxutilsvc.exe's description is "Utility Service"

cxutilsvc.exe is digitally signed by Conexant Systems LLC.

cxutilsvc.exe is usually located in the 'C:\Windows\CxSvc\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about cxutilsvc.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.

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the cxutilsvc.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_opened": [
        "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\AppID\\{62ED02D1-A332-4696-AC4B-8236667A2053}",
        "HKEY_CLASSES_ROOT\\AppID"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "kernel32.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\b27b8f332918047c106cf58c59b70846024bedfc9bcd8f1e04d3c690e196a84c.bin",
        "process_name": "b27b8f332918047c106cf58c59b70846024bedfc9bcd8f1e04d3c690e196a84c.bin",
        "pid": 2816,
        "summary": {
            "file_opened": [
                "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\AppID\\{62ED02D1-A332-4696-AC4B-8236667A2053}",
                "HKEY_CLASSES_ROOT\\AppID"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "kernel32.dll"
            ]
        },
        "first_seen": 1577541192.578125,
        "ppid": 2016
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1577541192.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\Users\\lint1\\Desktop\\20190123a_CxUtilSvc_src_v29\\CxUtilSvc\\Release\\CxUtilSvc.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "REGISTRY",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "TYPELIB",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    }
]

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": 3.0781960487365723,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3130,
            "time": 3.03806209564209,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3458,
            "time": 1.047544002532959,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3786,
            "time": 3.049448013305664,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4114,
            "time": 1.5514678955078125,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4442,
            "time": -0.09066009521484375,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4770,
            "time": 1.5621659755706787,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 10234,
            "time": 1.0685250759124756,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14426,
            "time": 3.124600887298584,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "36ace4e182fd3474429f9a0224113c5fcadabffcfec1bbd0db032da4723d2da3",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "66abd9a2a6a6ee219bdad14ccd9decd0f01e340bc5ec9be2963d25d3f6217e40",
    "irc": [],
    "https_ex": []
}

Screenshots

Folder name variants

cxutilsvc.exe may also be located in other folders than C:\Windows\CxSvc\. The most common variants are listed below:

• c:\program files\conexant\saii\

Other files also named cxutilsvc.exe

cxutilsvc.exe (12 votes)

Error Messages

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.

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