What is TiWorker.exe?

TiWorker.exe is part of Microsoft® Windows® Operating System and developed by Microsoft Corporation according to the TiWorker.exe version information.

TiWorker.exe's description is "Windows Modules Installer Worker"

TiWorker.exe is usually located in the 'c:\Windows\SoftwareDistribution\Download\08f84c6dd3b28e62fb0e910d793d1586\Package_for_KB4586863~~amd64~~18362.1190.1.0\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.18362.1190_none_1716e3ef2a15f08c\' folder.

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

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the TiWorker.exe file.

Sandbox Report

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

Summary

ERROR: Failed to execute process.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1605297186.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "TiWorker.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": "MUI",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 826,
            "time": 4.163823843002319,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1154,
            "time": 3.050215005874634,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1482,
            "time": 4.183628797531128,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "b49bd7a95b56472199a5b93b3327a646ea2560e914689295251b0c4ada1e9766",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "d6089825428d5d5030df6f765b9e9bb268f4dd3eb6ed08b0187cb4469f5001dd",
    "irc": [],
    "https_ex": []
}

Folder name variants

TiWorker.exe may also be located in other folders than c:\Windows\SoftwareDistribution\Download\08f84c6dd3b28e62fb0e910d793d1586\Package_for_KB4586863~~amd64~~18362.1190.1.0\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.18362.1190_none_1716e3ef2a15f08c\. The most common variants are listed below:

• C:\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.18362.1190_none_1716e3ef2a15f08c\

Other files also named TiWorker.exe

TiWorker.exe (313 votes)

Error Messages

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.

And now some shameless self promotion ;)

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.

• Privacy Policy