The file coe18.7z.001 is the first part of a split 7z archive, requiring all subsequent parts for extraction using tools like 7-Zip. Because the original Zippyshare service shut down in 2023, files from similar-looking sites carry high security risks, including potential malware or vulnerabilities linked to older, unsafe extraction software. It is recommended to scan this file with VirusTotal before opening. Chocolatey is shipped with a vulnerable 7zip #1556 - GitHub