It is important to distinguish between portable applications (like text editors or media players) and virtualization hypervisors.
For users requiring portability without the risks of cracked software, legitimate alternatives exist: vmware workstation pro 17 portable
If you don't run your cleanup script properly, the vmnet and vmx86 services remain on the host machine. A sysadmin will notice these rogue drivers. It is important to distinguish between portable applications
While unofficial, a portable version of VMware Workstation offers specific utility for advanced users: vmware workstation pro 17 portable