What is Microsoft.VisualBasic.ni.dll?

Microsoft.VisualBasic.ni.dll is part of Microsoft® .NET Framework and developed by Microsoft Corporation according to the Microsoft.VisualBasic.ni.dll version information.

Microsoft.VisualBasic.ni.dll's description is "Visual Basic Runtime Library"

Microsoft.VisualBasic.ni.dll is usually located in the 'c:\Windows\assembly\NativeImages_v4.0.30319_32\Microsoft.V9921e851#\efac9a7e8d3e909f1b3a6858ed39c9b3\' folder.

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

PropertyValue
Product nameMicrosoft® .NET Framework
Company nameMicrosoft Corporation
File descriptionVisual Basic Runtime Library
Internal nameMicrosoft.VisualBasic.DLL
Original filenameMicrosoft.VisualBasic.DLL
CommentsFlavor=Retail
Legal copyright© Microsoft Corporation. All rights reserved.
Private buildDDBLD433
Product version14.8.3752.0
File version14.8.3752.0 built by: NET48REL1

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

Product nameMicrosoft® .NET Framework
Company nameMicrosoft Corporation
File descriptionVisual Basic Runtime Library
Internal nameMicrosoft.VisualBasic.DLL
Original filenameMicrosoft.VisualBasic.DLL
CommentsFlavor=Retail
Legal copyright© Microsoft Corporation. All right..
Private buildDDBLD433
Product version14.8.3752.0
File version14.8.3752.0 built by: NET48REL1

Digital signatures [?]

Microsoft.VisualBasic.ni.dll is not signed.

VirusTotal report

None of the 69 anti-virus programs at VirusTotal detected the Microsoft.VisualBasic.ni.dll file.

None of the 69 anti-virus programs detected the Microsoft.VisualBasic.ni.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\\913677936138cf09a604bf66fb44ab7c16c2f1642536ee61e735c097cd18edd1.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\913677936138cf09a604bf66fb44ab7c16c2f1642536ee61e735c097cd18edd1.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\913677936138cf09a604bf66fb44ab7c16c2f1642536ee61e735c097cd18edd1.bin.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1568271185.3281,
        "ppid": 376
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2676,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\913677936138cf09a604bf66fb44ab7c16c2f1642536ee61e735c097cd18edd1.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\913677936138cf09a604bf66fb44ab7c16c2f1642536ee61e735c097cd18edd1.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\913677936138cf09a604bf66fb44ab7c16c2f1642536ee61e735c097cd18edd1.bin.dll"
            ]
        },
        "first_seen": 1568271185.6094,
        "ppid": 2892
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "Microsoft.VisualBasic.ni.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 6.823635608222,
                "section": {
                    "size_of_data": "0x00192600",
                    "virtual_address": "0x00037000",
                    "entropy": 6.823635608222,
                    "name": ".text",
                    "virtual_size": "0x00192584"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.839593114241,
                "type": "generic",
                "description": "Overall entropy of this PE file is high"
            }
        ],
        "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": 6.2098269462585,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5190,
            "time": 6.1533651351929,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5518,
            "time": 4.1531400680542,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5846,
            "time": 6.1653890609741,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6174,
            "time": 4.6624829769135,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6502,
            "time": 3.0556750297546,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6830,
            "time": 4.6744060516357,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15512,
            "time": 4.1895730495453,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 19704,
            "time": 6.2659530639648,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "bd9c043cd6e64bc4bb57042ba2d38333069f1076fadcde2ca6b02cfe43c41c16",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "cf3e5485901e9b9b7a59ec543c70728d2ea69002441ea8eae287a1bb6a458834",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Hashes [?]

PropertyValue
MD53ada33c72b2654e817f66372205ad113
SHA256913677936138cf09a604bf66fb44ab7c16c2f1642536ee61e735c097cd18edd1

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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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