  Multiple sources have stated that the following three files were used to install and execute the ransomware attack on Windows systems:  agent.exe  | d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e mpsvc.dll | e2a24ab94f865caeacdf2c3ad015f31f23008ac6db8312c2cbfb32e4a5466ea2 mpsvc.dll  | 8dd620d9aeb35960bb766458c8890ede987c33d239cf730f93fe49d90ae759dd  Palo Alto Networks WildFire, Threat Prevention and Cortex XDR detect and prevent REvil ransomware infections.