What is smooth.dll?

smooth.dll is part of smooth Class Library according to the smooth.dll version information.

smooth.dll's description is "Developers version of the smooth library."

smooth.dll is usually located in the 'c:\users\%USERNAME%\appdata\local\temp\1942446\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about smooth.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 71 anti-virus programs at VirusTotal detected the smooth.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\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll"
    ],
    "file_opened": [
        "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.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": 2124,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1587707586.5625,
        "ppid": 2504
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 300,
        "summary": {
            "file_opened": [
                "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.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\\349d712051e9f9843c289436fea98b5f2d54fd7d43e81abbd29c734756949c2d.bin.dll"
            ]
        },
        "first_seen": 1587707586.703125,
        "ppid": 2124
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1587707586.328125,
        "ppid": 376
    }
]

Signatures

[]

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": 6.160231113433838,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5442,
            "time": 6.113399982452393,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5770,
            "time": 4.124738931655884,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6098,
            "time": 6.122890949249268,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6426,
            "time": 4.75743293762207,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6754,
            "time": 2.993243932723999,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 7082,
            "time": 4.733875036239624,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18028,
            "time": 4.207425117492676,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 26412,
            "time": 6.217906951904297,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "d00fcf6aa0141a8ee0f350e338beab022346c067fd97e55d6a5bcc95b1dd261d",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "3cc4b794c46ee54077970ebce07db481f2d14a4620f9ebe17c52c87f7cea151a",
    "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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