This topic contains the same question
[1], and the official answer was as follows:
Yes, it certainly is false positive.
Therefore, do not worry when you find such warnings, when you are faced with such warnings, you can stop using the site and ask if you are skeptical, but there is nothing worth worrying about until this moment.
Also, remember not to trust these companies because there has been a data leak before.
https://www.reddit.com/r/TREZOR/comments/8ovlp1/trezor_windows_program_is_virus_virustotal_says_so/