Known system changes:

Files
%CommonDesktop%\SafePcAv.lnk
%ProgramFiles%\SafePcAv Software\SafePcAV\SafePcAV.exe

Folders
%CommonPrograms%\SafePcAv
%ProgramFiles%\SafePcAv Software

Registry Entries
Key: HKEY_CURRENT_USER\Software\SafePcAv
Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SafePcAv
Key: HKEY_LOCAL_MACHINE\SOFTWARE\SafePcAv