What is oodsh.dll?

oodsh.dll is part of O&O Defrag and developed by O&O Software GmbH according to the oodsh.dll version information.

oodsh.dll's description is "O&O Defrag Shell Extension (x64)"

oodsh.dll is digitally signed by O&O Software GmbH.

oodsh.dll is usually located in the 'C:\Program Files\OO Software\Defrag\' folder.

Some of the anti-virus scanners at VirusTotal detected oodsh.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

2 of the 70 anti-virus programs at VirusTotal detected the oodsh.dll file. That's a 3% detection rate.

Scanner	Detection Name
DrWeb	Program.Unwanted.4022
MaxSecure	not-a-virus:Downloader.DownloaderGuide.GEN

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "OODSHRS.DLL",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\OODSHRS.DLL"
    ],
    "file_opened": [
        "C:\\Windows\\winsxs\\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_fa396087175ac9ac\\comctl32.dll",
        "C:\\Windows\\System32\\dwmapi.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll",
        "C:\\Windows\\winsxs\\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_fa396087175ac9ac",
        "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll.manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll"
    ],
    "regkey_read": [
        "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\DragMinDist",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\DragDelay"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2420,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1565531585.7344,
        "ppid": 1268
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1565531585.4531,
        "ppid": 376
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2588,
        "summary": {
            "file_opened": [
                "C:\\Windows\\winsxs\\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_fa396087175ac9ac\\comctl32.dll",
                "C:\\Windows\\System32\\dwmapi.dll",
                "C:\\Windows\\winsxs\\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_fa396087175ac9ac",
                "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll"
            ],
            "regkey_read": [
                "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\DragMinDist",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\DragDelay"
            ],
            "dll_loaded": [
                "OODSHRS.DLL",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\182df22fe0c28c49f63d87865e50487809cd18f30afc9a6ed9d6083f2ee3489a.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\OODSHRS.DLL"
            ]
        },
        "first_seen": 1565531585.9062,
        "ppid": 2420
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "E:\\DR\\loc\\build\\OOD-BASE\\work\\current\\bin\\vc12\\x64\\Unicode Static Release\\oodsh.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "REGISTRY",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "TYPELIB",
                "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": 662,
            "time": 6.2104699611664,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6198,
            "time": 6.1545951366425,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6526,
            "time": 4.1629910469055,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6854,
            "time": 6.1644270420074,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7182,
            "time": 4.7891590595245,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7510,
            "time": 3.0523149967194,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 7838,
            "time": 4.2370359897614,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 26156,
            "time": 4.1856911182404,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 34540,
            "time": 6.2495560646057,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "7a528badd2a84edf96f3a590265f9d702dfe925345464684e32e9bf74a53b3d5",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "8e524d0894819f356b0e6d50e6f192c35bfde417ed1a63922bd2d46e2b0d9a87",
    "irc": [],
    "https_ex": []
}

Screenshots

oodsh.dll removal instructions

The instructions below shows how to remove oodsh.dll with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the oodsh.dll file for removal, restart your computer and scan it again to verify that oodsh.dll has been successfully removed. Here are the removal instructions in more detail:

1. Download and install FreeFixer: http://www.freefixer.com/download.html
2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.

   
3. When the scan is finished, locate oodsh.dll in the scan result and tick the checkbox next to the oodsh.dll file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate oodsh.dll in the scan result.

   

   

   C:\Program Files\OO Software\Defrag\oodsh.dll

   
4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the oodsh.dll file.

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If oodsh.dll still remains in the scan result, proceed with the next step. If oodsh.dll is gone from the scan result you're done.
7. If oodsh.dll still remains in the scan result, check its checkbox again in the scan result and click Fix.
8. Restart your computer.
9. Start FreeFixer and scan your computer again. Verify that oodsh.dll no longer appear in the scan result.

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