What is UnRarWindows.dll?

UnRarWindows.dll is part of UnRarWindows according to the UnRarWindows.dll version information.

UnRarWindows.dll's description is "UnRarWindows"

UnRarWindows.dll is usually located in the 'c:\Program Files\WindowsApps\1253QUANTUMVM.UNRARMETRO_5.3.0.0_x64__ckbnxvahp5f44\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about UnRarWindows.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 68 anti-virus programs at VirusTotal detected the UnRarWindows.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\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll",
        "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.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": 2588,
        "summary": {
            "file_opened": [
                "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.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\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll"
            ]
        },
        "first_seen": 1595937188.875,
        "ppid": 2676
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2676,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\615d3117530da7593017cda1c3d08750ab45cb0173e671bb0bfda4ca07bac66b.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1595937188.59375,
        "ppid": 2892
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1595937188.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "D:\\data\\PkgProc\\qdqegIvy_E2sT31O5EdYDA\\ExtractedBundle\\UnRarWindows_5.3.0.0_x64\\UnRarWindows.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "NETNATIVEBUILDINFO",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    }
]

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": 3.0689890384674072,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5578,
            "time": 3.020617961883545,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5906,
            "time": 1.050887107849121,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6234,
            "time": 3.034756898880005,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6562,
            "time": 1.56284499168396,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6890,
            "time": -0.09123992919921875,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 7218,
            "time": 1.580307960510254,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 20158,
            "time": 1.0812480449676514,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28542,
            "time": 3.117875099182129,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "2d5377c1b6e616b34adbc5a6410bf606965b71c285968b2f7e87292298af756e",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "3faa488be7bbc2bc55a9195d3b6c660ff0d8b9791db2ea65c016688032b0332a",
    "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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