Hi @edamao
Thank you for bringing this to our attention. From some initial investigation it seems to be a false positive. Other AV are not detecting anything. Also, on the web there are other incidents where binaries produced by pyinstaller are flagged as trojans [1]. We will address this soon.
[1] https://github.com/pyinstaller/pyinstaller/issues?q=is%3Aissue+virus+is%3Aclosed