You should remove the following files:
/Applications/MacProtector.app/Contents/Resources/Curing_7.png
/Applications/MacProtector.app/Contents/Resources/Curing_6.png
/Applications/MacProtector.app/Contents/MacOS
/Applications/MacProtector.app/Contents
/Applications/MacProtector.app/Contents/MacOS/MacProtector
/Applications/MacProtector.app/Contents/Info.plist
/Applications/MacProtector.app/Contents/PkgInfo
/Applications/MacProtector.app/Contents/Resources
/Applications/MacProtector.app/Contents/Resources/AboutMBMI.png
/Applications/MacProtector.app/Contents/Resources/affid.txt
/Applications/MacProtector.app/Contents/Resources/About-Back.png
/Applications/MacProtector.app/Contents/Resources/ControlCenterD.nib
/Applications/MacProtector.app/Contents/Resources/AboutD.nib
/Applications/MacProtector.app/Contents/Resources/Curing_1.png
/Applications/MacProtector.app/Contents/Resources/Curing_2.png
/Applications/MacProtector.app/Contents/Resources/Curing_3.png
/Applications/MacProtector.app/Contents/Resources/Curing_4.png
/Applications/MacProtector.app/Contents/Resources/Curing_5.png
Source:
http://blog.teesupport.com/fake-mac-protector-removal-guide-how-to-uninstall-mac-protector-virus-manually/