Please Check the history of the thread. The critical file has been checked by virustotal and was marked ok. Avast and other virus checks wouldn't have helped. Basically that was the trap I was running in.

To make Windows more secure anti keylogger, anti screen recording software and constant port checks need to be done. With my experience I would not use a non dedicated computer for crypto anymore - too late. For anybody: Use hardware wallets or dedicated computers without automatic updates