The FBI has published a TLP:WHITE FLASH message containing indicators of compromise associated with the Ragnar Locker ransomware, which the FBI notes has been deployed against an increasing number of victims. This product also contains a list of recommended mitigation measures and encourages recipients to report information concerning suspicious or criminal activity to their local FBI field office [1] or the FBI’s 24/7 Cyber Watch (CyWatch) at (855)-292-3937 or CyWatch@fbi.gov [2].