What is eppdisk.sys?

eppdisk.sys is part of Emsisoft Protection Platform and developed by Emsisoft Ltd according to the eppdisk.sys version information.

eppdisk.sys's description is "Emsisoft Protection Platform"

eppdisk.sys is digitally signed by Emsisoft Ltd.

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

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

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the eppdisk.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\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll"
    ],
    "file_opened": [
        "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll.manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.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\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2968,
        "summary": {
            "file_opened": [
                "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.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\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll"
            ]
        },
        "first_seen": 1562349184.8594,
        "ppid": 2800
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2800,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\61459b6446c5f1932010f42837ebe302eba6b0fe23cee6b57a43f4372e40f44c.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1562349184.6562,
        "ppid": 2924
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1562349184.3438,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "X:\\Gitlab\\Builds\\e945be61\\0\\lab\\protectionplatform\\Output\\Release\\x64\\eppdisk.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": 662,
            "time": 6.1977491378784,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5190,
            "time": 6.1332612037659,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5518,
            "time": 4.1445281505585,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5846,
            "time": 6.1414711475372,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6174,
            "time": 4.6506791114807,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6502,
            "time": 3.0308630466461,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6830,
            "time": 4.2293691635132,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18678,
            "time": 4.175369977951,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 24966,
            "time": 6.2469911575317,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "70a7c6805662453ad3780b6e9b7b0cfc2fb20f787dc56181dd7c1fccc2763d36",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "1316c436a711cebfc46c5f636083e706407caab098a73f133449b9063c66250e",
    "irc": [],
    "https_ex": []
}

Screenshots

Other files also named eppdisk.sys

eppdisk.sys (4 votes)

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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