/etc/alternatives/libflashplayer.so
/opt/mint-flashplugin-square/libflashplayer.so
/opt/mint-flashplugin-x64/libflashplayer.so
/usr/lib/flashplugin-nonfree/libflashplayer.so
/usr/lib/mozilla/plugins/libflashplayer.so
/var/lib/dpkg/alternatives/libflashplayer.so