First of all, Right click on the icon, Choose properties in the context menu , and click on Change icon button there. it will bring you to the change icon dialog. Select teh appropriate icon > ok > apply > ok.
If, the change icon button is grayed out :
reinstall malwarebytes and the other program, but not the advanced system care.
Finally, restore all the backup made by advanced system care, and uninstall it. It is strongly recommended .