What is IDMShellExt.dll?

IDMShellExt.dll is part of Internet Download Manager and developed by Tonec Inc. according to the IDMShellExt.dll version information.

IDMShellExt.dll's description is "Internet Download Manager module"

IDMShellExt.dll is digitally signed by Tonec Inc..

IDMShellExt.dll is usually located in the 'C:\Windows.old\Program Files\Internet Download Manager\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about IDMShellExt.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.

Vendor and version information [?]

The following is the available information on IDMShellExt.dll:

PropertyValue
Product nameInternet Download Manager
Company nameTonec Inc.
File descriptionInternet Download Manager module
Internal nameIDMShellExt
Original filenameIDMShellExt.dll
Commentshttp://www.internetdownloadmanager.com
Legal copyrightTonec Inc., Copyright © 1999 - 2019
Legal trademarkInternet Download Manager
Product version6.32.12.0
File version6.32.12.24

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameInternet Download Manager
Company nameTonec Inc.
File descriptionInternet Download Manager module
Internal nameIDMShellExt
Original filenameIDMShellExt.dll
Commentshttp://www.internetdownloadmanager.com
Legal copyrightTonec Inc., Copyright © 1999 - 2019
Legal trademarkInternet Download Manager
Product version6.32.12.0
File version6.32.12.24

Digital signatures [?]

IDMShellExt.dll has a valid digital signature.

PropertyValue
Signer nameTonec Inc.
Certificate issuer nameVeriSign Class 3 Code Signing 2010 CA
Certificate serial number7828c7315808bc8717710e13fa3c0b24

VirusTotal report

None of the 68 anti-virus programs at VirusTotal detected the IDMShellExt.dll file.

None of the 68 anti-virus programs detected the IDMShellExt.dll file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\ecdd25fcc1a974e35ba8dd58f8d08af2ae81807d5df0eb9472151a4f1799e0a6.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\ecdd25fcc1a974e35ba8dd58f8d08af2ae81807d5df0eb9472151a4f1799e0a6.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\ecdd25fcc1a974e35ba8dd58f8d08af2ae81807d5df0eb9472151a4f1799e0a6.bin.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2800,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\ecdd25fcc1a974e35ba8dd58f8d08af2ae81807d5df0eb9472151a4f1799e0a6.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\ecdd25fcc1a974e35ba8dd58f8d08af2ae81807d5df0eb9472151a4f1799e0a6.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\ecdd25fcc1a974e35ba8dd58f8d08af2ae81807d5df0eb9472151a4f1799e0a6.bin.dll"
            ]
        },
        "first_seen": 1573343585.7344,
        "ppid": 2736
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1573343585.3438,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "x:\\Projects\\IDMShellExt\\Release\\IDMShellExt.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2800,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x75093000"
                    },
                    "time": 1573343585.8754,
                    "tid": 2816,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2800,
                "type": "call",
                "cid": 10
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    }
]

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": 6.2197070121765,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3462,
            "time": 6.1720111370087,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3790,
            "time": 4.1634421348572,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4118,
            "time": 6.1866850852966,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4446,
            "time": 4.6764481067657,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4774,
            "time": 3.0505871772766,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 5102,
            "time": 4.6726660728455,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 11572,
            "time": 4.185830116272,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15764,
            "time": 6.2663459777832,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "ee2570424af7c4b011a7060e47edb9bd2fb9fbcfa69ddc3ec91878bfa5a08ca5",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "57d008779c6d828ea14cba249f47e6234bd77cb5d9263af9b93b9e0360884f33",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Other files also named IDMShellExt.dll

IDMShellExt.dll (166 votes)

Hashes [?]

PropertyValue
MD5e3ffdff31fed63050fa856dbdafb1e90
SHA256ecdd25fcc1a974e35ba8dd58f8d08af2ae81807d5df0eb9472151a4f1799e0a6

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Malware or legitimate?

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Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

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