What is coIEPlg.dll?

coIEPlg.dll is part of Norton Password Manager and developed by NortonLifeLock Inc. according to the coIEPlg.dll version information.

coIEPlg.dll's description is "coIEPlugIn"

coIEPlg.dll is digitally signed by NortonLifeLock Inc..

coIEPlg.dll is usually located in the 'C:\Program Files\Norton Security\Engine\22.20.5.39\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about coIEPlg.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 coIEPlg.dll:

Property	Value
Product name	Norton Password Manager
Company name	NortonLifeLock Inc.
File description	coIEPlugIn
Internal name	coIEPlg.dll
Original filename	coIEPlg.dll
Legal copyright	Copyright (c) 2020 NortonLifeLock Inc. All rights reserved.
Product version	2015.20.5.17
File version	2015.20.5.17

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

Product name	Norton Password Manager
Company name	NortonLifeLock Inc.
File description	coIEPlugIn
Internal name	coIEPlg.dll
Original filename	coIEPlg.dll
Legal copyright	Copyright (c) 2020 NortonLifeLock In..
Product version	2015.20.5.17
File version	2015.20.5.17

Digital signatures [?]

coIEPlg.dll has a valid digital signature.

Property	Value
Signer name	NortonLifeLock Inc.
Certificate issuer name	DigiCert High Assurance Code Signing CA-1
Certificate serial number	07cdebab5b7e39f2bc726a75b9bc4307

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the coIEPlg.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": [
        "kernel32",
        "SHELL32.dll",
        "Comctl32.dll",
        "C:\\Windows\\system32\\MSFTEDIT.DLL",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll"
    ],
    "file_opened": [
        "C:\\Windows\\WindowsShell.Manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll,DllMain"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings"
    ],
    "file_exists": [
        "C:\\Windows\\System32\\msftedit.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll.manifest",
        "C:\\Users\\isolate.ini",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll",
        "C:\\Users\\cuck\\isolate.ini",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\isolate.ini",
        "C:\\Users\\cuck\\AppData\\Local\\isolate.ini",
        "C:\\isolate.ini",
        "C:\\Users\\cuck\\AppData\\isolate.ini"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Security_HKLM_only",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorUseSystemHeap",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\DisableImprovedZoneCheck",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\SideBySide\\PreferExternalManifest",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorSystemHeapIsPrivate"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2736,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1597060388.875,
        "ppid": 2676
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2872,
        "summary": {
            "file_opened": [
                "C:\\Windows\\WindowsShell.Manifest"
            ],
            "file_exists": [
                "C:\\Windows\\System32\\msftedit.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll.manifest",
                "C:\\Users\\isolate.ini",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll",
                "C:\\Users\\cuck\\isolate.ini",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\isolate.ini",
                "C:\\Users\\cuck\\AppData\\Local\\isolate.ini",
                "C:\\isolate.ini",
                "C:\\Users\\cuck\\AppData\\isolate.ini"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Security_HKLM_only",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorUseSystemHeap",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\DisableImprovedZoneCheck",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\SideBySide\\PreferExternalManifest",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorSystemHeapIsPrivate"
            ],
            "dll_loaded": [
                "kernel32",
                "SHELL32.dll",
                "C:\\Windows\\system32\\MSFTEDIT.DLL",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4.bin.dll",
                "Comctl32.dll"
            ]
        },
        "first_seen": 1597060389.078125,
        "ppid": 2736
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1597060388.609375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\bld_area\\NCO_9_20_5_17\\VS141\\Bin\\x64\\Release\\CoIEPlg.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": "SYMPRO",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 6.878695988827656,
                "section": {
                    "size_of_data": "0x00004a00",
                    "virtual_address": "0x0016c000",
                    "entropy": 6.878695988827656,
                    "name": ".rsrc",
                    "virtual_size": "0x00004934"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            }
        ],
        "references": [
            "http:\/\/www.forensickb.com\/2013\/03\/file-entropy-explained.html",
            "http:\/\/virii.es\/U\/Using%20Entropy%20Analysis%20to%20Find%20Encrypted%20and%20Packed%20Malware.pdf"
        ],
        "name": "packer_entropy"
    }
]

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": 6.218752145767212,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5694,
            "time": 6.152275085449219,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6022,
            "time": 4.158951044082642,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6350,
            "time": 6.159837007522583,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6678,
            "time": 4.667419195175171,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7006,
            "time": 3.056889057159424,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 7334,
            "time": 4.663731098175049,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 20274,
            "time": 4.175729990005493,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28658,
            "time": 6.249619007110596,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "428a13917c858ffc35ee1cf63d2bd37a41310b28ce0c735dc5098f17d254d32c",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "be0230699051c5ca28d11bff84450611a4452772b71d056a944f70287b328558",
    "irc": [],
    "https_ex": []
}

Screenshots

Folder name variants

coIEPlg.dll may also be located in other folders than C:\Program Files\Norton Security\Engine\22.20.5.39\. The most common variants are listed below:

C:\Program Files (x86)\Norton Security\Engine\22.20.5.39\
C:\Program Files (x86)\Norton Internet Security\Engine\22.20.5.39\
C:\Program Files\Norton 360\Engine\22.20.5.39\

Other files also named coIEPlg.dll

coIEPlg.dll (8 votes)

Hashes [?]

Property	Value
MD5	52b12f54f4b3d906206a32e3fd37f585
SHA256	8e90987ee5793894b22c405bf1ad7a110b849b2e7fa42e359f45c2c2a5b3e2f4

What will you do with coIEPlg.dll?

To help other users, please let us know what you will do with coIEPlg.dll:

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.

Free online surveys

And now some shameless self promotion ;)

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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.

No comments posted yet.

What is coIEPlg.dll?

Vendor and version information [?]

Digital signatures [?]

VirusTotal report

Sandbox Report

Summary

Summary

Generic

Signatures

Yara

Network

Screenshots

Folder name variants

Other files also named coIEPlg.dll

Hashes [?]

What will you do with coIEPlg.dll?

Malware or legitimate?

And now some shameless self promotion ;)

Comments

Leave a reply