What is installassistservice.exe?

installassistservice.exe is part of Wondershare InstallAssist and developed by Wondershare according to the installassistservice.exe version information.

installassistservice.exe's description is "Wondershare InstallAssist"

installassistservice.exe is digitally signed by Wondershare Technology Co.,Ltd.

installassistservice.exe is usually located in the 'c:\programdata\wondershare\service\' folder.

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

PropertyValue
Product nameWondershare InstallAssist
Company nameWondershare
File descriptionWondershare InstallAssist
Internal nameInstallAssistService.exe
Original filenameInstallAssistService.exe
Legal copyrightCopyright (C) 2020
Product version1.0.0.4
File version1.0.0.4

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

Product nameWondershare InstallAssist
Company nameWondershare
File descriptionWondershare InstallAssist
Internal nameInstallAssistService.exe
Original filenameInstallAssistService.exe
Legal copyrightCopyright (C) 2020
Product version1.0.0.4
File version1.0.0.4

Digital signatures [?]

installassistservice.exe has a valid digital signature.

PropertyValue
Signer nameWondershare Technology Co.,Ltd
Certificate issuer nameDigiCert Assured ID Code Signing CA-1
Certificate serial number0a9f96aabfb5dac0f29f565d33ff1af6

VirusTotal report

None of the 73 anti-virus programs at VirusTotal detected the installassistservice.exe file.

None of the 73 anti-virus programs detected the installassistservice.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:\\Users\\cuck\\AppData\\Local\\Temp\\7871b57c3a37cb6aaae182d2b1c93fce84e2616ea16e434a4075f8e75d360306.bin",
        "process_name": "7871b57c3a37cb6aaae182d2b1c93fce84e2616ea16e434a4075f8e75d360306.bin",
        "pid": 1268,
        "summary": {},
        "first_seen": 1584849185.546875,
        "ppid": 2732
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1584849185.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 3,
        "families": [],
        "description": "Command line console output was observed",
        "severity": 1,
        "marks": [
            {
                "call": {
                    "category": "misc",
                    "status": 1,
                    "stacktrace": [],
                    "api": "WriteConsoleA",
                    "return_value": 1,
                    "arguments": {
                        "buffer": "Parameters:\r\n",
                        "console_handle": "0x00000007"
                    },
                    "time": 1584849185.781875,
                    "tid": 2740,
                    "flags": {}
                },
                "pid": 1268,
                "type": "call",
                "cid": 17
            },
            {
                "call": {
                    "category": "misc",
                    "status": 1,
                    "stacktrace": [],
                    "api": "WriteConsoleA",
                    "return_value": 1,
                    "arguments": {
                        "buffer": " -install  to install the service.\r\n",
                        "console_handle": "0x00000007"
                    },
                    "time": 1584849185.781875,
                    "tid": 2740,
                    "flags": {}
                },
                "pid": 1268,
                "type": "call",
                "cid": 18
            },
            {
                "call": {
                    "category": "misc",
                    "status": 1,
                    "stacktrace": [],
                    "api": "WriteConsoleA",
                    "return_value": 1,
                    "arguments": {
                        "buffer": " -remove   to remove the service.\r\n",
                        "console_handle": "0x00000007"
                    },
                    "time": 1584849185.781875,
                    "tid": 2740,
                    "flags": {}
                },
                "pid": 1268,
                "type": "call",
                "cid": 19
            }
        ],
        "references": [],
        "name": "console_output"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\jenkins\\workspace\\DFAppFoundation\\drfonetoolkit\\ModuleUpgrade\\SharpUpgrade\\Release\\InstallAssistService.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 7,
        "families": [],
        "description": "Foreign language identified in PE resource",
        "severity": 2,
        "marks": [
            {
                "name": "RT_ICON",
                "language": "LANG_CHINESE",
                "offset": "0x000352d0",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_CHINESE",
                "offset": "0x000352d0",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_CHINESE",
                "offset": "0x000352d0",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_CHINESE",
                "offset": "0x000352d0",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_CHINESE",
                "offset": "0x000352d0",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_GROUP_ICON",
                "language": "LANG_CHINESE",
                "offset": "0x00035738",
                "filetype": "MS Windows icon resource - 5 icons, 32x32",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x0000004c"
            },
            {
                "name": "RT_VERSION",
                "language": "LANG_CHINESE",
                "offset": "0x00035784",
                "filetype": "data",
                "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
                "type": "generic",
                "size": "0x00000324"
            }
        ],
        "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": 546,
            "time": 3.189162015914917,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5226,
            "time": 9.281038045883179,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7194,
            "time": 3.1001501083374023,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7522,
            "time": 1.0971181392669678,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7850,
            "time": 3.1418139934539795,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8178,
            "time": 1.8762431144714355,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8506,
            "time": -0.03763389587402344,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8834,
            "time": 2.594165086746216,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28244,
            "time": 2.155658006668091,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 36628,
            "time": 3.191244125366211,
            "dport": 1900,
            "sport": 54258
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "09ccfad560d4d22a826573ee2f892260154c395eb332860afddaf5ecd33612b6",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "667b3d8bc4748272ed5b5b0f9b971120e6aad7f09073f120c67646de976bdc98",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandboxScreenshot from the sandboxScreenshot from the sandbox

TCP/UDP Listening Ports [?]

installassistservice.exe has been reported to listen on the following TCP/UDP ports.

PortProtocol# Occurrences
51780UDP v41

Hashes [?]

PropertyValue
MD5b6b6dec158139b4eeb000527929279a4
SHA2567871b57c3a37cb6aaae182d2b1c93fce84e2616ea16e434a4075f8e75d360306

Error Messages

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

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

installassistservice.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.

Wondershare InstallAssist has stopped working.

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

installassistservice.exe is not a valid Win32 application.

installassistservice.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. 90% have voted for removal. Based on votes from 39 users.

User vote results: There were 35 votes to remove and 4 votes to keep

NOTE: Please do not use this poll as the only source of input to determine 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


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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.

CoffeeKills writes

3 thumbs

This is left on your computer and runs in the background AFTER UN-INSTALLING wondershare software.

# 1 Aug 2020, 5:10

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