A user calls the help desk to report that none of the files on a PC will open. The user also indicates a program on the desktop is requesting payment in exchange for file access. A technician verifies the user's PC is infected with ransomware. Which of the following should the technician do FIRST?


A. Scan and remove the malware.
B. Schedule automated malware scans.
C. Quarantine the system.
D. Disable System Restore.