What is nvldumdx.dll?

nvldumdx.dll is part of NVIDIA driver loader and developed by NVIDIA Corporation according to the nvldumdx.dll version information.

nvldumdx.dll's description is "NVIDIA Driver Loader, Version 445.75 "

nvldumdx.dll is digitally signed by NVIDIA Corporation-PE-Prod-Sha1.

nvldumdx.dll is usually located in the 'C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_63268710a2dc3648\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about nvldumdx.dll.

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 nvldumdx.dll:

PropertyValue
Product nameNVIDIA driver loader
Company nameNVIDIA Corporation
File descriptionNVIDIA Driver Loader, Version 445.75
Internal namenvldumd
Original filenamenvldumd.dll
Legal copyright(C) 2020 NVIDIA Corporation. All rights reserved.
Product version26.21.14.4575
File version26.21.14.4575

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

Product nameNVIDIA driver loader
Company nameNVIDIA Corporation
File descriptionNVIDIA Driver Loader, Version 445.75
Internal namenvldumd
Original filenamenvldumd.dll
Legal copyright(C) 2020 NVIDIA Corporation. All rig..
Product version26.21.14.4575
File version26.21.14.4575

Digital signatures [?]

nvldumdx.dll has a valid digital signature.

PropertyValue
Signer nameNVIDIA Corporation-PE-Prod-Sha1
Certificate issuer nameNVIDIA Subordinate CA 2019-Prod-Sha1
Certificate serial number55f7759add9d0cb44b3db5434a665885

VirusTotal report

None of the 72 anti-virus programs at VirusTotal detected the nvldumdx.dll file.

None of the 72 anti-virus programs detected the nvldumdx.dll 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\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
    ],
    "file_opened": [
        "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll.manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2504,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1587556386.780626,
        "ppid": 2456
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 856,
        "summary": {
            "file_opened": [
                "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894.bin.dll"
            ]
        },
        "first_seen": 1587556387.014999,
        "ppid": 2504
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1587556386.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\dvs\\p4\\build\\sw\\rel\\gpu_drv\\r445\\r445_00\\drivers\\nvldumd\\_out\\wddm2_amd64_release\\nvldumdx.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": ".gfids",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": ".00cfg",
                "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": 3.1315150260925293,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5074,
            "time": 3.066615104675293,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5402,
            "time": 1.0750482082366943,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5730,
            "time": 3.088778018951416,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6058,
            "time": 1.565580129623413,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6386,
            "time": -0.03627490997314453,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6714,
            "time": 1.1547131538391113,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18562,
            "time": 1.0961790084838867,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 26946,
            "time": 3.193953037261963,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "dbea463151cff5887783cc414be47130771c824d9c4c9480a6e239564775561c",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "4210054e5d3a6b6809622dfa4dd253a81f3cf75787f11eb15ea171e51d53974b",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Folder name variants

nvldumdx.dll may also be located in other folders than C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_63268710a2dc3648\. The most common variants are listed below:

Other files also named nvldumdx.dll

nvldumdx.dll (93 votes)

Hashes [?]

PropertyValue
MD54b47575e4088f4afb972228e4d57b226
SHA256d2bab42699a3d33065a30f02f747a42ca426deca91962cd9243bf9c2bf6b2894

What will you do with nvldumdx.dll?

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



What did other users do?

The poll result listed below shows what users chose to do with nvldumdx.dll. 0% have voted for removal. Based on votes from 2 users.

Votes
Keep100 %
2
Remove0 %
0

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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