What is minflt.sys?

minflt.sys is part of Balabanov Eugene Security Toolkit and developed by SHADE Sandbox LLC according to the minflt.sys version information.

minflt.sys's description is "Filewall Kernel Mode FS Minifilter Driver"

minflt.sys is digitally signed by Cybergenic Corporation.

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

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

PropertyValue
Product nameBalabanov Eugene Security Toolkit
Company nameSHADE Sandbox LLC
File descriptionFilewall Kernel Mode FS Minifilter Driver
Internal nameminiflt.sys
Original filenameminiflt.sys
Legal copyright© SHADE Sandbox LLC. All rights reserved.
Product version6.1.7600.16385
File version6.1.7600.16385 built by: WinDDK

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

Product nameBalabanov Eugene Security Toolkit
Company nameSHADE Sandbox LLC
File descriptionFilewall Kernel Mode FS Minifilter D..
Internal nameminiflt.sys
Original filenameminiflt.sys
Legal copyright© SHADE Sandbox LLC. All rights res..
Product version6.1.7600.16385
File version6.1.7600.16385 built by: WinDDK

Digital signatures [?]

minflt.sys has a valid digital signature.

PropertyValue
Signer nameCybergenic Corporation
Certificate issuer nameDigiCert EV Code Signing CA (SHA2)
Certificate serial number0d1da3b18aa666f4672eafd7f35031b7

VirusTotal report

None of the 73 anti-virus programs at VirusTotal detected the minflt.sys file.

None of the 73 anti-virus programs detected the minflt.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": 1578941585.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "c:\\prj\\shade\\fssdk\\kernel\\miniflt\\objfre_win7_amd64\\amd64\\minflt.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "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": 982,
            "time": 1.0321500301361084,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1310,
            "time": 1.5497331619262695,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1638,
            "time": -0.09756588935852051,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1966,
            "time": 1.5630130767822266,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4178,
            "time": 1.0652339458465576,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "9ff984147af7d020864d8c4ae4b8b8c5c1906862e7b8711cd204c329e0a29a3b",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "76ec60b7e6e212264e18c09391720613a7895c29251d0f8ad96a06e44e5d39ef",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

Hashes [?]

PropertyValue
MD523b7e7e259e39ba9a450d17b55f59070
SHA25628e2fab471ce32e101aaa35a8328cc2e55f8faa8cbf9f38c6700d911b933f422

What will you do with minflt.sys?

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



What did other users do?

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


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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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