About deleting files......?

i have a problem about deleting, i got a picture files from the internet through my cellphone and transferred to my laptop, i put it in a compressed zipped folder and have a pword on it and i hid it as hidden folder, when i deleted the compressed zipped folder, the subfolders and files on it keep on popping out at the bottom list what should i do i just want to erase all that picture files and i think i got a virus on my cellphone from that internet cafe ang i accidentally transferred it to my laptop and everytime i open my laptop thers a malaysian pharagraphs that i need to ok'd first to welcome me on my laptop and also my itunes help and support etc are gone missing.