This application is adware/ unwanted program PUP ESET-NOD32 a variant of Win32/KoyoteLab.A/DrWeb Adware.Downware.964.
Dear User! Thank you for the report, Software Informer's in-built antivirus check also detected that Free Mp3 Wma Converter includes suspicious elements. You can find the antivirus report on the download page.
Free, easy and fun to use, multi-formats ability, light soft.