Do not connect USB drives or external hard drives, as the infection may spread to them.
Merry Christmas Ransomware - PCrisk.com
Security experts advise against paying the ransom; there is no guarantee you will get your files back, and it funds further crime. LMMercyChristmas.rar
Use a reputable security suite (e.g., Malwarebytes or Bitdefender ) to remove the core infection. Do not connect USB drives or external hard