safe finder is consider adware, malware
download malware bytes anti malware for Mac it will scan the Mac for hidden adware, malware and PUP apps
www.malwarebytes.com/mac will only work 10.9 or higher the newest version at least
its free and very efficient
if safe find is in safari
click on safari beside black apple > preferences> general > change home page > hit return save changes if it comes up
if chrome has it same thing
chrome top menu bar > preferences> show home button change home page there
make sure you go down to manage search engines get rid of any un known aka safe find make sure Google is default