What is klhk.sys?

klhk.sys is part of United Delivery DEV and developed by AO Kaspersky Lab according to the klhk.sys version information.

klhk.sys's description is "klhk [fre_win7_x86]"

klhk.sys is usually located in the 'C:\WINDOWS\system32\drivers\' folder.

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

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 klhk.sys:

PropertyValue
Product nameUnited Delivery DEV
Company nameAO Kaspersky Lab
File descriptionklhk [fre_win7_x86]
Internal nameklhk
Legal copyright© 2018 AO Kaspersky Lab. All Rights Reserved.
Legal trademarkRegistered trademarks and service marks are the property of their respective owners
Product version20.0.68.61
File version20.0.68.61

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

Product nameUnited Delivery DEV
Company nameAO Kaspersky Lab
File descriptionklhk [fre_win7_x86]
Internal nameklhk
Legal copyright© 2018 AO Kaspersky Lab. All Rights..
Legal trademarkRegistered trademarks and service ma..
Product version20.0.68.61
File version20.0.68.61

Digital signatures [?]

The verification of klhk.sys's digital signature failed.

PropertyValue
Signer nameKaspersky Lab
Certificate issuer nameDigiCert High Assurance Code Signing CA-1
Certificate serial number0f9d91c6aba86f4e54cbb9ef57e68346

VirusTotal report

None of the 69 anti-virus programs at VirusTotal detected the klhk.sys file.

None of the 69 anti-virus programs detected the klhk.sys 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\\SysWOW64\\en-US\\KERNELBASE.dll.mui"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\807f3b6225504d7cba19dc9f75e98e493fe556dadbb082f531017241289f5329.bin.dll.manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\807f3b6225504d7cba19dc9f75e98e493fe556dadbb082f531017241289f5329.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\807f3b6225504d7cba19dc9f75e98e493fe556dadbb082f531017241289f5329.bin.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2816,
        "summary": {
            "file_opened": [
                "C:\\Windows\\SysWOW64\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\807f3b6225504d7cba19dc9f75e98e493fe556dadbb082f531017241289f5329.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\807f3b6225504d7cba19dc9f75e98e493fe556dadbb082f531017241289f5329.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\807f3b6225504d7cba19dc9f75e98e493fe556dadbb082f531017241289f5329.bin.dll"
            ]
        },
        "first_seen": 1585925585.671875,
        "ppid": 2016
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1585925585.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\a\\b\\c_2N5H95BB\\component\\system_interceptors\\.output\\fre_win7_x86\\klhk.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 3,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": "bss",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "PAGE",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "INIT",
                "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": 6.1528167724609375,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4434,
            "time": 6.089468002319336,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4762,
            "time": 4.139180898666382,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5090,
            "time": 6.096567869186401,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5418,
            "time": 4.65802788734436,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5746,
            "time": 2.9780638217926025,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6074,
            "time": 4.671667814254761,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 13636,
            "time": 4.174501895904541,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 17828,
            "time": 6.212460994720459,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "e4fc3b3083bd9793dfa58cda7ccd6606013adb142de5de89284da3a86da7cae4",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "e9cb5b994fa64e4eee729add1b410b0d0e738c73a3398ff4ffdb868776c9e535",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Other files also named klhk.sys

klhk.sys (108 votes)

Hashes [?]

PropertyValue
MD5ad5ec07a1917baa792a1ed59cfcbd652
SHA256807f3b6225504d7cba19dc9f75e98e493fe556dadbb082f531017241289f5329

What will you do with klhk.sys?

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



What did other users do?

The poll result listed below shows what users chose to do with klhk.sys. 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 klhk.sys. 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


Free online surveys

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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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