Avira (Anti-virus) Complaining about Malware

[itp.sd1]

I just installed FreeFileSync.

Avira is complaining it contains malware (HEUR ).
Specifically complaining about FreeFileSync_x64.exe

I have had to uninstall the product, which is a shame.

[Zenju]

https://freefilesync.org/faq.php#virus