Its been claimed its malware, but its only based on an incident from 4 years ago that's been explained. The app is 100% clean.

https://www.freedownloadmanager.org/blog/?p=664

https://www.virustotal.com/gui/file/3351b2b19b555a2cfce01090797637435cbe4109adb037e4ea662a1e4030073e