What is YPPLoader.dll?

YPPLoader.dll is part of Microsoft Your Phone and developed by Microsoft Corporation according to the YPPLoader.dll version information.

YPPLoader.dll's description is "YPPLoader.dll"

YPPLoader.dll is usually located in the 'c:\Program Files\WindowsApps\Microsoft.YourPhone_1.19112.113.0_x64__8wekyb3d8bbwe\YourPhoneServer\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about YPPLoader.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 YPPLoader.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\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll"
    ],
    "file_opened": [
        "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.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\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.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\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll"
            ]
        },
        "first_seen": 1578361985.828125,
        "ppid": 2816
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2816,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\05cfa70b955db2ea32deba411cc276a05b621e08cac81229b9ba248be60c3785.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1578361985.640625,
        "ppid": 2016
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1578361985.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "E:\\BA\\155\\b\\Release\\x64\\YourPhone.YPP.Loader\\YPPLoader.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    }
]

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": 6.1800010204315186,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4434,
            "time": 6.114505052566528,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4762,
            "time": 4.14612603187561,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5090,
            "time": 6.122363090515137,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5418,
            "time": 4.659900903701782,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5746,
            "time": 3.0229079723358154,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6074,
            "time": 4.673964023590088,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14756,
            "time": 4.176680088043213,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18948,
            "time": 6.212308883666992,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "ffaac488bff6281a9aa33b70401ec7fa96a5fc71a2353b377d7f92f0b0957051",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "68f7e7e4395a06330e6f8c0b038c6df31a59a8de9b44f9ff7748e0ea1a615034",
    "irc": [],
    "https_ex": []
}

Screenshots

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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