What is capcore64.dll?

capcore64.dll is part of NVIDIA GeForce Experience and developed by NVIDIA Corporation according to the capcore64.dll version information.

capcore64.dll's description is "NVIDIA ShadowPlay CAPTURE CORE"

capcore64.dll is digitally signed by NVIDIA Corporation.

capcore64.dll is usually located in the 'c:\Program Files\NVIDIA Corporation\ShadowPlay\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about capcore64.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.

VirusTotal report

None of the 72 anti-virus programs at VirusTotal detected the capcore64.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\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll"
    ],
    "file_opened": [
        "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.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": 2800,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1588211586.71875,
        "ppid": 2924
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1588211586.3125,
        "ppid": 376
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2500,
        "summary": {
            "file_opened": [
                "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll.manifest"
            ],
            "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\\e2d0112566f3d47daa27f9abf3bdfb8de80a30ba4d5511bea32d76b61681127f.bin.dll"
            ]
        },
        "first_seen": 1588211587,
        "ppid": 2800
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\dvs\\p4\\build\\sw\\rel\\gfclient\\rel_03_20\\shadowplay2\\capcore\\win7_amd64_release\\capcore64.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": ".00cfg",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The executable uses a known packer",
        "severity": 1,
        "marks": [
            {
                "category": "packer",
                "ioc": "Microsoft Visual C++ V8.0 (Debug)",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "peid_packer"
    }
]

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": 3.142122983932495,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5326,
            "time": 3.0799038410186768,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5654,
            "time": 1.0852890014648438,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5982,
            "time": 3.096768856048584,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6310,
            "time": 1.5438828468322754,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6638,
            "time": -0.037377119064331055,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6966,
            "time": 1.598167896270752,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16764,
            "time": 1.0997650623321533,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 25148,
            "time": 3.2049338817596436,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "ce6bee51addb7312385a437974563e1bcea5d33eaa40f966fc2fc4d52372f99e",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "fddf55df202e6f4f1c6e2d2f80bbb2cde1262234aa74cdededd83534c1cbe656",
    "irc": [],
    "https_ex": []
}

Screenshots

What did other users do?

The poll result listed below shows what users chose to do with capcore64.dll. 50% have voted for removal. Based on votes from 2 users.

NOTE: Please do not use this poll as the only source of input to determine what you will do with capcore64.dll. Only 2 users 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.

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