Linux .iso files are viruses now?

Yesterday i started a full system scan and nothing was found, but today avast found 322 problems and they were in my official linux iso files :o. What is happening?

https://i.imgur.com/Mlg6XC9.png

You can report a suspected FP (File/Website) here: https://www.avast.com/false-positive-file-form.php

Hi.
It was FP, will be disabled in next update.
Thanks!
ZV