Putty

 ===Black on White / No Colours===                                                                                             
                                                                                                                          
 Window > Colours                                                                                                         
 - Default Foreground → Modify → 0, 0, 0                                                                                  
 - Default Background → Modify → 255, 255, 255                                                                            
 - Uncheck "Allow terminal to use xterm 256-colour mode"                                                                  

 Terminal > Features
 - Check "Disable remote-controlled terminal colour changes (ANSI)"

Middle Button Paste

 Window > Selection
 - Under "Action of mouse buttons", select:
 ▎ xterm (Right button extends, Middle pastes)

 Save It
        
 Once all changes are made:
 - Go back to Session                                                                                                     
 - Select Default Settings                                                                                                
 - Click Save                                                                                                             
                                                                                                                          
 This applies to all future sessions without needing to reconfigure each time.