Jigsaw crypto-ransomware deletes more files the longer you delay paying

Understanding how to buy bitcoins and pay ransomware authors for decryption keys is hard enough, yet some cybercriminals now expect their victims to do it in under an hour if they want all of their files back.

A new ransomware program dubbed Jigsaw encrypts users’ files and then begins to progressively delete them until the victim pays the equivalent of $150 in Bitcoin cryptocurrency.

The ransomware deletes one file after the first hour has passed and then increases the number of files it deletes in every 60-minutes cycle. If no payment has been made within 72 hours, all remaining files will be deleted.

“Try anything funny and the computer has several safety measures to delete your files,” the program’s creators warn in their ransom message that’s accompanied by a picture of the Jigsaw killer’s mask from the horror film series Saw.

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