printer32.dll is an adware program Adware.WhileUSurf. printer32.dll downloads and displays advertisements. Related files: %System%\wys.dll %System%\wys5.dll %System%\wys.exe %System%\printer32.dll Adds the value: "Spool" = "%CurrentFolder%\wys.exe /startup" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Remove printer32.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.