I have noticed my Safari Browser has been replaced with Altagit.com - there are a number of sites offering to remove but I would prefer a trusted source. Anyone able to help me get rid of this worrying uninvited guest? Thanks David
MacBook, macOS 10.14
Try running Malwarebytes.
Besides the trusted MWB mentioned...
EtreCheck is a simple little app to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac.
http://www.etresoft.com/etrecheck
Malicious browser software altagit
