What is DownloadSDKServer.exe?

DownloadSDKServer.exe is part of 迅雷下载引擎 and developed by 深圳市迅雷网络技术有限公司 according to the DownloadSDKServer.exe version information.

DownloadSDKServer.exe's description is "迅雷下载引擎"

DownloadSDKServer.exe is digitally signed by SHENZHEN THUNDER NETWORKING TECHNOLOGIES LTD..

DownloadSDKServer.exe is usually located in the 'C:\Program Files (x86)\Thunder Network\Thunder\Program\resources\bin\SDK\' folder.

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

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 DownloadSDKServer.exe:

PropertyValue
Product name迅雷下载引擎
Company name深圳市迅雷网络技术有限公司
File description迅雷下载引擎
Internal nameDownloadSDKServer 2
Original filenameDownloadSDKServer
Legal copyright版权所有 (C) 2020 深圳市迅雷网络技术有限公司
Legal trademark迅雷
Product version2.83.110.5
File version2.83.110.5

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

Product name迅雷下载引擎
Company name深圳市迅雷网络技术有限公..
File description迅雷下载引擎
Internal nameDownloadSDKServer 2
Original filenameDownloadSDKServer
Legal copyright
Legal trademark迅雷
Product version2.83.110.5
File version2.83.110.5

Digital signatures [?]

DownloadSDKServer.exe has a valid digital signature.

PropertyValue
Signer nameSHENZHEN THUNDER NETWORKING TECHNOLOGIES LTD.
Certificate issuer nameDigiCert Assured ID Code Signing CA-1
Certificate serial number0deeccf73f051135548870d3386e4a9c

VirusTotal report

None of the 70 anti-virus programs at VirusTotal detected the DownloadSDKServer.exe file.

None of the 70 anti-virus programs detected the DownloadSDKServer.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1588733586.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "d:\\jenkins\\workspace\\PC_SDK_Master\\pdb\\Win32\\Product Release\\DownloadSDKServer.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "Foreign language identified in PE resource",
        "severity": 2,
        "marks": [
            {
                "name": "RT_VERSION",
                "language": "LANG_CHINESE",
                "offset": "0x00013450",
                "filetype": "data",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x00000314"
            },
            {
                "name": "RT_VERSION",
                "language": "LANG_CHINESE",
                "offset": "0x00013450",
                "filetype": "data",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x00000314"
            }
        ],
        "references": [],
        "name": "origin_langid"
    }
]

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": 6.187114000320435,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4434,
            "time": 6.146490097045898,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4762,
            "time": 4.126536130905151,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5090,
            "time": 6.158154010772705,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5418,
            "time": 4.630259990692139,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5746,
            "time": 3.0047430992126465,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6074,
            "time": 4.64044713973999,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14756,
            "time": 4.149346113204956,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18948,
            "time": 6.2338550090789795,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "fa57a1331d96e0c4d3276e1a978326a2d0257b7c3f6d682d0552355f5dd3e830",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "b33e6262ebdf4bb068107fb4c6efe8ed9f21f099fc08d39fc2fdc4f4254d3aeb",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Hashes [?]

PropertyValue
MD5f18007210e1c39c63c776f6f6303c6fc
SHA2564a458dc8c84917adeb10ad5796fb5419db1cbd9cb3c8b56647b7f93e9e8c7d47

Error Messages

These are some of the error messages that can appear related to downloadsdkserver.exe:

downloadsdkserver.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

downloadsdkserver.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

迅雷下载引擎 has stopped working.

End Program - downloadsdkserver.exe. This program is not responding.

downloadsdkserver.exe is not a valid Win32 application.

downloadsdkserver.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with the file?

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



What did other users do?

The poll result listed below shows what users chose to do with the file. 100% have voted for removal. Based on votes from 4 users.

Votes
Keep0 %
0
Remove100 %
4

NOTE: Please do not use this poll as the only source of input to determine what you will do with the file. Only 4 users has voted so far so it does not offer a high degree of confidence.

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


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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.

Mike writes

0 thumbs

Sophos Endpoint Protection reported C2/Generic-B, communicating with C&C server

# 16 May 2020, 10:11

Roger Karlsson writes

0 thumbs

Thank you Mike for sharing!

# 20 May 2020, 3:17

Leave a reply