To prevent the ransomware from spreading to cloud storage or networked drives:
Restart your PC while holding the Shift key, then navigate to Troubleshoot > Advanced Options > Startup Settings > Restart . Press 5 for Safe Mode with Networking. U2K ransomware [.u2k file virus] removal.
This is the most difficult part. There are two scenarios for STOP/Djvu variants: To prevent the ransomware from spreading to cloud