SOS my USB flash drive needs help

Hi every one
I have kingston datatraveler 101 8GB
when I put it on any computer it told me it sholud be formatted first then after format it gives me a window that says
" the disk cannot be written to because it is write protected. please remove the write protection from the volume in drive F " & 3 options ( cancel , try again , continue )

all this occur after my flash got infected with some viruses
now I can't put any files on it

so I really need it to be fixed as soon as possiple

You can try using something like this:
http://kb.sandisk.com/app/answers/detail/a_id/4985/~/data-recovery-for-memory-cards-and-flash-drives