I want to now do all cases of Win32:CTX virus or what ever come from panda active scan?

Delete the files, or use some other software. Norton, AVG , Avast are free antivirus software. Ad-aware, Ewido are free spyware removers. You can download free softwares at http://fixit.in/antivirus.html and http://fixit.in/spywareremover.html