What is trufos.sys?

trufos.sys is part of Bitdefender Antivirus and developed by Bitdefender according to the trufos.sys version information.

trufos.sys's description is "Trufos Kernel Module"

trufos.sys is digitally signed by Bitdefender SRL.

trufos.sys is usually located in the 'C:\Windows\system32\drivers\' folder.

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

PropertyValue
Product nameBitdefender Antivirus
Company nameBitdefender
File descriptionTrufos Kernel Module
Internal nameTRUFOS.SYS
Original filenameTRUFOS.SYS
Legal copyrightCopyright © Bitdefender
Product version2.5.2.25.0f02702t
File version2.5.2.25.0f02702 Free Build

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

Product nameBitdefender Antivirus
Company nameBitdefender
File descriptionTrufos Kernel Module
Internal nameTRUFOS.SYS
Original filenameTRUFOS.SYS
Legal copyrightCopyright © Bitdefender
Product version2.5.2.25.0f02702t
File version2.5.2.25.0f02702 Free Build

Digital signatures [?]

trufos.sys has a valid digital signature.

PropertyValue
Signer nameBitdefender SRL
Certificate issuer nameDigiCert Assured ID Code Signing CA-1
Certificate serial number0d539ce22c8990bd091f22aea32a5123

VirusTotal report

None of the 66 anti-virus programs at VirusTotal detected the trufos.sys file.

None of the 66 anti-virus programs detected the trufos.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": 1565931189.3281,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "D:\\Bamboo\\home\\xml-data\\build-dir\\ARK23137_2\\bin_win7\\x64\\ReleaseKernel\\trufos.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "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": "224.0.0.252",
            "offset": 826,
            "time": 4.1744251251221,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1154,
            "time": 3.0477731227875,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1482,
            "time": 4.1936910152435,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "1dcf56a71958f6a402d82d1a0cc2df0bd535b997dabdf6df5bd30e422c0beb3a",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "43d2d5f62a5f9fdfa8d97ef3b070f95918a43fcb002318b97f6eeb5f43fe2dec",
    "irc": [],
    "https_ex": []
}

Other files also named trufos.sys

trufos.sys (23 votes)

Hashes [?]

PropertyValue
MD5ce764edbc540f0465b9d39cb1e72099a
SHA2561574652c74af2778c2968721b543fde45d0f24bc4017dd77a621c784cf4142e1

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Malware or legitimate?

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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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