What is avgardisk.sys?

avgardisk.sys is part of AVG Internet Security System and developed by AVG Technologies CZ, s.r.o. according to the avgardisk.sys version information.

avgardisk.sys's description is "AVG anti rootkit disk filter"

avgardisk.sys is digitally signed by AVG Technologies USA, Inc..

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

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

PropertyValue
Product nameAVG Internet Security System
Company nameAVG Technologies CZ, s.r.o.
File descriptionAVG anti rootkit disk filter
Internal nameaswArDisk.sys
Original filenameaswArDisk.sys
Legal copyrightCopyright (C) 2019 AVG Technologies CZ, s.r.o.
Product version19.8.4256.0
File version19.8.4256.0

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

Product nameAVG Internet Security System
Company nameAVG Technologies CZ, s.r.o.
File descriptionAVG anti rootkit disk filter
Internal nameaswArDisk.sys
Original filenameaswArDisk.sys
Legal copyrightCopyright (C) 2019 AVG Technologies ..
Product version19.8.4256.0
File version19.8.4256.0

Digital signatures [?]

avgardisk.sys has a valid digital signature.

PropertyValue
Signer nameAVG Technologies USA, Inc.
Certificate issuer nameDigiCert Assured ID Code Signing CA-1
Certificate serial number0557955e02a6b53dd1d574ede15f310e

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the avgardisk.sys file.

None of the 71 anti-virus programs detected the avgardisk.sys file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\98f28aea10b342d0e9e381f24bc2cd3f8a732800823f6d2ef2dba887bc1c9ade.bin",
        "process_name": "98f28aea10b342d0e9e381f24bc2cd3f8a732800823f6d2ef2dba887bc1c9ade.bin",
        "pid": 2740,
        "summary": {},
        "first_seen": 1576759985.59375,
        "ppid": 2892
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1576759985.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "D:\\BUILD\\work\\00\\9f900bb44422fce3\\BUILDS\\Release\\x64\\aswArDisk.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": "192.168.56.255",
            "offset": 546,
            "time": 3.078907012939453,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2018,
            "time": 3.038952112197876,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2346,
            "time": 1.0205249786376953,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2674,
            "time": 3.050624132156372,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3002,
            "time": 1.534311056137085,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3330,
            "time": -0.09799003601074219,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 3658,
            "time": 1.5467910766601562,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6986,
            "time": 1.0531401634216309,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 11178,
            "time": 3.1413791179656982,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "324432abeead5954f2dda96e635777c24b7186cb6c311debb140f28ed08e7ebb",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "da0cf78fec0133f0afe09ee7d3f0a6ff3d73f483d6b8cc00457964d566eb5ea3",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

Other files also named avgardisk.sys

avgardisk.sys (11 votes)

Hashes [?]

PropertyValue
MD57638fa98e3d94c427a90ab0ebb0d80d3
SHA25698f28aea10b342d0e9e381f24bc2cd3f8a732800823f6d2ef2dba887bc1c9ade

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Malware or legitimate?

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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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