What is 7-zip.dll?

7-zip.dll is part of 7-Zip and developed by Igor Pavlov according to the 7-zip.dll version information.

7-zip.dll's description is "7-Zip Shell Extension"

7-zip.dll is usually located in the 'C:\Program Files\7-Zip\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about 7-zip.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 7-zip.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\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll.manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2456,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1603835588.5469,
        "ppid": 2780
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2336,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\33bd46be08e716bc7ef78848621418c8c79a2c10efbe180d6e72a62db15a3f3e.bin.dll"
            ]
        },
        "first_seen": 1603835588.8906,
        "ppid": 2456
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1603835588.3125,
        "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": 546,
            "time": 3.0665848255157,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5326,
            "time": 3.0057649612427,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5654,
            "time": 1.0170488357544,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5982,
            "time": 3.0134689807892,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6310,
            "time": 1.5174958705902,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6638,
            "time": -0.10016107559204,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6966,
            "time": 1.5484869480133,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 17912,
            "time": 1.0505478382111,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 26296,
            "time": 3.0860459804535,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "3468197b69945487df0c1f45de780566bb07b5a04d7ec03fae224652fd3ef8ea",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "43592fa28b823f9bb61f338bb84dced78f696efe134abba37605948bfd33f786",
    "irc": [],
    "https_ex": []
}

Screenshots

Other files also named 7-zip.dll

7-zip.dll (15 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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