Stepik is a ransomware-type threat. It attacks many Windows computers today, modifies the files on the hard drive and adds a special .stepik extension, in addition to the main one. It tells its victims to pay the ransom for the file restoration and then instructs the to contact the criminals by emails [email protected] or [email protected] for file restoration. Get rid of this ransomware with the help of Combo Cleaner Antivirus - https://www.combocleaner.com and get your files protected with its help.