@Arkanoid:
First of all we are sorry that you have issues with the bundled adware. Read here
https://support.jdownloader.org/inde...g-Installation and use the Junkware Removal Tool to remove it.
The optional bundles of JDownloader are NO Viruses and DO NOT "..move from one computer to another..." In case something like this happened, then it did not came from JDownloader! There is no hidden installation and till now everyone blaming us with it never provided any proof. No Screenshots/No Screencasts and even in live Teamviewer never...In case you really want to help, then show us/provide more information.
We do our best to help but only if you let us help you. It is your choice to accept help or just blame us with something we did not do.