What is avgbloga.sys?

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

avgbloga.sys's description is "Logging Driver"

avgbloga.sys is digitally signed by AVG Netherlands B.V..

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

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

PropertyValue
Product nameAVG
Company nameAVG Technologies CZ, s.r.o.
File descriptionLogging Driver
Internal nameavglog
Original filenameavglog.sys
Legal copyrightCopyright (C) 2014 AVG Technologies CZ, s.r.o.
Product version18.6.4.442
File version18.6.4.442
Special buildd3a2a50d350745322771dce9528c9cb9c0b02a85

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

Product nameAVG
Company nameAVG Technologies CZ, s.r.o.
File descriptionLogging Driver
Internal nameavglog
Original filenameavglog.sys
Legal copyrightCopyright (C) 2014 AVG Technologies ..
Product version18.6.4.442
File version18.6.4.442
Special buildd3a2a50d350745322771dce9528c9cb9c0b0..

Digital signatures [?]

avgbloga.sys has a valid digital signature.

PropertyValue
Signer nameAVG Netherlands B.V.
Certificate issuer nameVeriSign Class 3 Code Signing 2010 CA
Certificate serial number4b5e1897903602425d3cb25d75c4f4ce

VirusTotal report

None of the 68 anti-virus programs at VirusTotal detected the avgbloga.sys file.

None of the 68 anti-virus programs detected the avgbloga.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\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 1512,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1572429185.6406,
        "ppid": 1564
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1572429185.3281,
        "ppid": 376
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2828,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78.bin.dll.manifest"
            ]
        },
        "first_seen": 1572429185.8125,
        "ppid": 1512
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "D:\\BUILD\\work\\00\\8f8387e940dbc416\\idp\\build\\avgast\\RU_DRIVER-grHSDw!x64_vs141\\bin\\Release_Unicode_DRIVER_WDK8\\x64\\avgblogdrva.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": "9\ne\nb\n6\ne\n2\n3\n8\n4\n6\nd\n0\n0\n3\nf\n4\n3\n9\nd\nd\n6\ne\n1\n6\nb\nd\ne\n3\n1\n3\n5\n7\n7\n7\n1\n9\nf\n6\nf\n9\n4\n8\na\nb\n4\n4\n0\nf\nd\nf\n7\nf\n9\n4\n2\nd\n0\n4\na\ne\n7\nf\n7\n8\n+\n0\nx\n2\na\nd\n2\n \n@\n \n0\nx\n7\nf\ne\nf\n1\n0\nd\n2\na\nd\n2\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\nc\n2\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\nc\n2\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\nc\n2\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": 3478256,
                            "rcx": 2552160,
                            "rsi": 0,
                            "r10": 0,
                            "rbx": 0,
                            "rdi": 0,
                            "r11": 0,
                            "r8": 0,
                            "rdx": 1,
                            "rbp": 0,
                            "r15": 0,
                            "r12": 0,
                            "rsp": 2555392,
                            "rax": 6,
                            "r13": 0
                        },
                        "exception": {
                            "instruction_r": "41 0f b7 07 49 8b 57 08 33 db 0f 57 c0 48 83 cf",
                            "instruction": "movzx eax, word ptr [r15]",
                            "exception_code": "0xc0000005",
                            "symbol": "9eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78+0x2ad2",
                            "address": "0x7fef10d2ad2"
                        }
                    },
                    "time": 1572429185.9995,
                    "tid": 2856,
                    "flags": {}
                },
                "pid": 2828,
                "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": 662,
            "time": 6.2103719711304,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5990,
            "time": 12.212607145309,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7834,
            "time": 6.1704339981079,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8162,
            "time": 4.1448731422424,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8490,
            "time": 6.1820850372314,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8818,
            "time": 4.6517691612244,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 9146,
            "time": 3.0458481311798,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 9474,
            "time": 8.9982709884644,
            "dport": 5355,
            "sport": 55880
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 9794,
            "time": 4.2265601158142,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 29204,
            "time": 4.1656260490417,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 37588,
            "time": 6.2576291561127,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "e58d7eef9a6ba6e73c55bb5a5e3e5698d2fd2c0a9e89bf69cedb929a08c8b725",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "08b1b4deefd0046a28729e7ebe0dd05d21f0f0b8adb65eba6e0d913b3691ad59",
    "irc": [],
    "https_ex": []
}

Screenshots

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

Hashes [?]

PropertyValue
MD526d4785085a7c17df8aeaf5842da2c6d
SHA2569eb6e23846d003f439dd6e16bde313577719f6f948ab440fdf7f942d04ae7f78

What will you do with avgbloga.sys?

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



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.

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