What is tsknfa00.sys?

tsknfa00.sys is part of TaskInfo for Windows 9x/ME/NT/2k/XP(TM) and developed by Igor Arsenin according to the tsknfa00.sys version information.

tsknfa00.sys's description is "TSKNFA00 Kernel Driver"

tsknfa00.sys is digitally signed by Igor M. Arsenin.

tsknfa00.sys is usually located in the 'c:\windows\system32\drivers\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about tsknfa00.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.

VirusTotal report

None of the 70 anti-virus programs at VirusTotal detected the tsknfa00.sys file.

Sandbox Report

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

Summary

ERROR: Failed to execute process.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1564836788.3438,
        "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": "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": "224.0.0.252",
            "offset": 710,
            "time": 1.0188238620758,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1038,
            "time": -0.10085797309875,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1366,
            "time": 1.0492880344391,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "7b04e84f91f37e8bb2b6eb66b24409926b6fe7555b1453d3afcf427fd7bc5b76",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "d780ac78c52753a55084b98c7b78ef47c145b937597d5ac114c17b04fbd99764",
    "irc": [],
    "https_ex": []
}

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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