What is avgbuniv.sys?

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

avgbuniv.sys's description is "AVG Universal Driver"

avgbuniv.sys is digitally signed by AVG Technologies USA, LLC.

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

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

PropertyValue
Product nameAVG
Company nameAVG Technologies CZ, s.r.o.
File descriptionAVG Universal Driver
Internal nameaswbuniv
Original filenameaswbuniv.sys
Legal copyrightCopyright (C) 2014 AVG Technologies CZ, s.r.o.
Product version20.2.53.0
File version20.2.53.0
Special buildaf5117374516d96c7b380b4c0cc1a9ffca7dffa9

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

Product nameAVG
Company nameAVG Technologies CZ, s.r.o.
File descriptionAVG Universal Driver
Internal nameaswbuniv
Original filenameaswbuniv.sys
Legal copyrightCopyright (C) 2014 AVG Technologies ..
Product version20.2.53.0
File version20.2.53.0
Special buildaf5117374516d96c7b380b4c0cc1a9ffca7d..

Digital signatures [?]

avgbuniv.sys has a valid digital signature.

PropertyValue
Signer nameAVG Technologies USA, LLC
Certificate issuer nameDigiCert High Assurance Code Signing CA-1
Certificate serial number03ec0c9015079fab8a6f3fc9f839311c

VirusTotal report

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

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

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2872,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll.manifest"
            ]
        },
        "first_seen": 1587829987.889999,
        "ppid": 2308
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1587829986.3125,
        "ppid": 376
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2308,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1587829986.765625,
        "ppid": 3040
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "D:\\work\\616216c47067779c\\idp\\build\\avgast\\RU_DRIVER-ktJWEA!x64_vs142\\bin\\Release_Unicode_DRIVER_WDK10\\x64\\aswbuniv.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"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "One or more processes crashed",
        "severity": 1,
        "marks": [
            {
                "call": {
                    "category": "__notification__",
                    "status": 1,
                    "stacktrace": [],
                    "raw": [
                        "stacktrace"
                    ],
                    "api": "__exception__",
                    "return_value": 0,
                    "arguments": {
                        "stacktrace": "E\nx\nA\nl\nl\no\nc\na\nt\ne\nP\no\no\nl\nW\ni\nt\nh\nT\na\ng\n+\n0\nx\n2\n6\n8\n \nE\nx\nF\nr\ne\ne\nP\no\no\nl\nW\ni\nt\nh\nT\na\ng\n-\n0\nx\na\n4\n8\n \nn\nt\no\ns\nk\nr\nn\nl\n+\n0\nx\n1\na\nb\n3\n4\n8\n \n@\n \n0\nx\n1\n4\n0\n1\na\nb\n3\n4\n8\n\n\nR\nt\nl\nU\nn\ni\nc\no\nd\ne\nS\nt\nr\ni\nn\ng\nT\no\nA\nn\ns\ni\nS\nt\nr\ni\nn\ng\n+\n0\nx\nc\n1\n \nF\ns\nR\nt\nl\nR\ne\nl\ne\na\ns\ne\nF\ni\nl\ne\n-\n0\nx\ne\n2\nf\n \nn\nt\no\ns\nk\nr\nn\nl\n+\n0\nx\n3\n9\nb\na\n7\n1\n \n@\n \n0\nx\n1\n4\n0\n3\n9\nb\na\n7\n1\n\n\nM\nm\nG\ne\nt\nS\ny\ns\nt\ne\nm\nR\no\nu\nt\ni\nn\ne\nA\nd\nd\nr\ne\ns\ns\n+\n0\nx\n1\n9\n \nM\nm\nI\ns\nV\ne\nr\ni\nf\ni\ne\nr\nE\nn\na\nb\nl\ne\nd\n-\n0\nx\n4\n1\ne\nc\n3\n \nn\nt\no\ns\nk\nr\nn\nl\n+\n0\nx\n3\na\n5\n1\n9\nd\n \n@\n \n0\nx\n1\n4\n0\n3\na\n5\n1\n9\nd\n\n\n8\ne\na\n5\n3\n4\n1\na\n2\n9\nc\n8\n3\nf\ne\nf\n4\n0\n7\n0\nd\n3\ne\nf\nf\nd\n8\n1\nb\n9\n7\nf\ne\n9\n4\nd\ne\n2\n5\nd\nb\n4\n7\n3\nc\n3\n7\n5\n8\n5\ne\n3\nb\n4\nb\n1\n3\n3\n6\n0\n9\nf\n7\n5\n+\n0\nx\n5\n1\n1\na\n \n@\n \n0\nx\n7\nf\ne\nf\na\nf\n9\n5\n1\n1\na\n\n\n8\ne\na\n5\n3\n4\n1\na\n2\n9\nc\n8\n3\nf\ne\nf\n4\n0\n7\n0\nd\n3\ne\nf\nf\nd\n8\n1\nb\n9\n7\nf\ne\n9\n4\nd\ne\n2\n5\nd\nb\n4\n7\n3\nc\n3\n7\n5\n8\n5\ne\n3\nb\n4\nb\n1\n3\n3\n6\n0\n9\nf\n7\n5\n+\n0\nx\n2\n2\nf\n0\n \n@\n \n0\nx\n7\nf\ne\nf\na\nf\n9\n2\n2\nf\n0\n\n\nT\np\nA\nl\nl\no\nc\nT\ni\nm\ne\nr\n+\n0\nx\nb\n0\n8\n \nR\nt\nl\nI\nn\ni\nt\ni\na\nl\ni\nz\ne\nC\nr\ni\nt\ni\nc\na\nl\nS\ne\nc\nt\ni\no\nn\nE\nx\n-\n0\nx\n3\n1\n8\n \nn\nt\nd\nl\nl\n+\n0\nx\n3\nb\n0\nd\n8\n \n@\n \n0\nx\n7\n7\n9\ne\nb\n0\nd\n8\n\n\nR\nt\nl\nC\nr\ne\na\nt\ne\nU\nn\ni\nc\no\nd\ne\nS\nt\nr\ni\nn\ng\nF\nr\no\nm\nA\ns\nc\ni\ni\nz\n+\n0\nx\ne\na\n \nL\nd\nr\nL\no\na\nd\nD\nl\nl\n-\n0\nx\n2\n4\n6\n \nn\nt\nd\nl\nl\n+\n0\nx\n2\n7\n8\n4\na\n \n@\n \n0\nx\n7\n7\n9\nd\n7\n8\n4\na\n\n\nL\nd\nr\nL\no\na\nd\nD\nl\nl\n+\n0\nx\n9\ne\n \nR\nt\nl\nO\np\ne\nn\nC\nu\nr\nr\ne\nn\nt\nU\ns\ne\nr\n-\n0\nx\n4\n4\n2\n \nn\nt\nd\nl\nl\n+\n0\nx\n2\n7\nb\n2\ne\n \n@\n \n0\nx\n7\n7\n9\nd\n7\nb\n2\ne\n\n\nN\ne\nw\n_\nn\nt\nd\nl\nl\n_\nL\nd\nr\nL\no\na\nd\nD\nl\nl\n+\n0\nx\na\nf\n \nN\ne\nw\n_\nn\nt\nd\nl\nl\n_\nL\nd\nr\nU\nn\nl\no\na\nd\nD\nl\nl\n-\n0\nx\nd\n9\n \n@\n \n0\nx\n6\n5\na\n9\nf\n8\n3\n1\n\n\nL\no\na\nd\nL\ni\nb\nr\na\nr\ny\nE\nx\nW\n+\n0\nx\n1\n9\nc\n \nF\nr\ne\ne\nS\ni\nd\n-\n0\nx\na\n4\n \nk\ne\nr\nn\ne\nl\nb\na\ns\ne\n+\n0\nx\na\n0\n5\nc\n \n@\n \n0\nx\n7\nf\ne\nf\nd\na\n1\na\n0\n5\nc\n\n\nr\nu\nn\nd\nl\nl\n3\n2\n+\n0\nx\n2\nb\n5\n0\n \n@\n \n0\nx\nf\nf\n3\nb\n2\nb\n5\n0\n\n\nr\nu\nn\nd\nl\nl\n3\n2\n+\n0\nx\n2\ne\n6\na\n \n@\n \n0\nx\nf\nf\n3\nb\n2\ne\n6\na\n\n\nr\nu\nn\nd\nl\nl\n3\n2\n+\n0\nx\n3\nb\n7\na\n \n@\n \n0\nx\nf\nf\n3\nb\n3\nb\n7\na\n\n\nB\na\ns\ne\nT\nh\nr\ne\na\nd\nI\nn\ni\nt\nT\nh\nu\nn\nk\n+\n0\nx\nd\n \nC\nr\ne\na\nt\ne\nT\nh\nr\ne\na\nd\n-\n0\nx\n5\n3\n \nk\ne\nr\nn\ne\nl\n3\n2\n+\n0\nx\n1\n6\n5\n2\nd\n \n@\n \n0\nx\n7\n7\n7\na\n6\n5\n2\nd\n\n\nR\nt\nl\nU\ns\ne\nr\nT\nh\nr\ne\na\nd\nS\nt\na\nr\nt\n+\n0\nx\n2\n1\n \ns\nt\nr\nc\nh\nr\n-\n0\nx\n3\nd\nf\n \nn\nt\nd\nl\nl\n+\n0\nx\n2\nc\n5\n2\n1\n \n@\n \n0\nx\n7\n7\n9\nd\nc\n5\n2\n1",
                        "registers": {
                            "r14": 0,
                            "r9": 5368709120,
                            "rcx": 13120,
                            "rsi": 0,
                            "r10": 1,
                            "rbx": 0,
                            "rdi": 0,
                            "r11": 18,
                            "r8": 1,
                            "rdx": 7680,
                            "rbp": 0,
                            "r15": 0,
                            "r12": 0,
                            "rsp": 850112,
                            "rax": 192,
                            "r13": 0
                        },
                        "exception": {
                            "instruction_r": "ff 45 14 e8 f0 d1 ec ff 48 85 c0 0f 84 df 04 00",
                            "instruction": "inc dword ptr [rbp + 0x14]",
                            "exception_code": "0xc0000005",
                            "symbol": "ExAllocatePoolWithTag+0x268 ExFreePoolWithTag-0xa48 ntoskrnl+0x1ab348",
                            "address": "0x1401ab348"
                        }
                    },
                    "time": 1587829558.56527,
                    "tid": 1480,
                    "flags": {}
                },
                "pid": 2872,
                "type": "call",
                "cid": 10
            }
        ],
        "references": [],
        "name": "raises_exception"
    }
]

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": 3.1028571128845215,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5874,
            "time": 9.103929996490479,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7718,
            "time": 3.0282039642333984,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8046,
            "time": 1.0620310306549072,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8374,
            "time": 3.0380961894989014,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8702,
            "time": 1.4976611137390137,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 9030,
            "time": -0.06295990943908691,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 9358,
            "time": 4.974158048629761,
            "dport": 5355,
            "sport": 55880
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 9678,
            "time": 1.1183111667633057,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 29088,
            "time": 1.0822720527648926,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 37472,
            "time": 3.1493611335754395,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "0544a10bb5d7e14e6cf6db5e6b370202b87ddd8614317586de978da064174593",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "04d5a8f7b93965837bab508348140b87c321b4619441030e67ea1a887f651e11",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandboxScreenshot from the sandboxScreenshot from the sandbox

Hashes [?]

PropertyValue
MD588d5222594a1179861205e01a46b5a0b
SHA2568ea5341a29c83fef4070d3effd81b97fe94de25db473c37585e3b4b133609f75

What will you do with avgbuniv.sys?

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



What did other users do?

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

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