The ransomware typically replaces your computer screen with a unique crypto address. The remote server knows to unlock your computer and cleanse it of the rans

The ransomware typically replaces your computer screen with a unique crypto address. The remote server knows to unlock your computer and cleanse it of the ransomware upon receipt of payment. Many also leave a marker on your system/network preventing reinfection. Most ransomware is from the same vendor rented out which prevents reinfection, for now.