WannaCry-infected Windows can be unlocked without paying ransom: Know how

Delpy calls his free tool for decrypting infected computers without paying ransom 'wanakiwi'

French researchers said on Friday they had found a last-chance way for technicians to save Windows files encrypted by WannaCry, racing against a deadline as the ransomware threatens to start locking up victims’ computers, first infected a week ago.
 
WannaCry, which started to sweep round the globe last Friday and has infected more than 300,000 computers in 150 nations, threatens to lock out victims who have not paid a sum of $300-$600 within one week of infection.
 
A loose-knit team of security researchers scattered across the globe said they had collaborated to develop a workaround to unlock the