Ransomwares are basically malwares only. Properties: A ransomware is a malware that after entering your pc starts encrypting all the files that you have. Ransomware also starts taking you administers access. Also, you might get a readme file stating a message that "All your data is safe you need a decryptor tool to decrypt your files all you need to pay $1000 to us for the decryptor". If you have turned-off Real-time protection then ransomware will not allow you to turn-on it again. I uses a lot of resources your pc may heat up. It will install lot of unwanted applications. I may hack your Instagram or Facebook if you save your passwords in chrome or any browser. How to save ourselves from this deadly attack: Purchase a licensed antivirus from a well known company like Kaspersky, Bit-defender etc... Keep you system up to date. Never turn-off Real-time protection in your pc. Do-not download anything from torrent. Ways to enter in your pc: 1. Through torrents. 2. Through e-m