I can only reply in English - hopefully you can translate using a browser add-on.
Run Malwarebytes Free - see the link in the following document under "Free 3rd Party Tools".
Follow the instructions there on how to keep it free by not accepting the free trial.
If that fails then lower down there is a link to "Farbar" and how to use it and where to post for help.
The alternative to this is to use McAfee Virus Removal Service which is NOT free.