What is XsdBuildTask.ni.dll?

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

XsdBuildTask.ni.dll's description is "XsdBuildTask.dll"

XsdBuildTask.ni.dll is usually located in the 'c:\Windows\assembly\NativeImages_v4.0.30319_64\XsdBuildTask\08f5ce34a0a9ed0db8d9f17ef5f68d16\' folder.

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

PropertyValue
Product nameMicrosoft® .NET Framework
Company nameMicrosoft Corporation
File descriptionXsdBuildTask.dll
Internal nameXsdBuildTask.dll
Original filenameXsdBuildTask.dll
CommentsXsdBuildTask.dll
Legal copyright© Microsoft Corporation. All rights reserved.
Product version4.8.3761.0
File version4.8.3761.0

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

Product nameMicrosoft® .NET Framework
Company nameMicrosoft Corporation
File descriptionXsdBuildTask.dll
Internal nameXsdBuildTask.dll
Original filenameXsdBuildTask.dll
CommentsXsdBuildTask.dll
Legal copyright© Microsoft Corporation. All right..
Product version4.8.3761.0
File version4.8.3761.0

Digital signatures [?]

XsdBuildTask.ni.dll is not signed.

VirusTotal report

None of the 70 anti-virus programs at VirusTotal detected the XsdBuildTask.ni.dll file.

None of the 70 anti-virus programs detected the XsdBuildTask.ni.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\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2968,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll"
            ]
        },
        "first_seen": 1575251584.905375,
        "ppid": 2124
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2124,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\89eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1575251584.71875,
        "ppid": 2504
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1575251584.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "XsdBuildTask.ni.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    }
]

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": 3.0770859718322754,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5074,
            "time": 3.0165979862213135,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5402,
            "time": 1.0567960739135742,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5730,
            "time": 3.0364959239959717,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6058,
            "time": 1.5006139278411865,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6386,
            "time": -0.05747795104980469,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6714,
            "time": 1.5635039806365967,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15396,
            "time": 1.0932948589324951,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 23780,
            "time": 3.1242868900299072,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "f29037f2011a2247cc4a98991f0cce6231c104e927ae518064250518fd77a9e7",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "108b74b59aa03e5f0256daf8e45ae814c211b257e4d093f8043185042184809d",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Other files also named XsdBuildTask.ni.dll

XsdBuildTask.ni.dll (5 votes)

Hashes [?]

PropertyValue
MD5841bb821c113247e870973f74db8cb1d
SHA25689eb7519958019567ef3f615f51552f25c2d071a50123adcbabfc5a5c0c96eb7

What will you do with the file?

To help other users, please let us know what you will do with the file:



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.

Please select the option that best describe your thoughts on the information provided on this web page


Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.

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.

Leave a reply