Threads zum Thema encripted files

Encripted files - Hello, My computer was infected with a trojan and all files of one of the hard drivers were encrypted. All files are ended with CRYPTSb@GMAIL.COM.roto. In another post I found that I could use FRST, but it doesn't seem to work, or maybe I am not doing what I should do, I am not familiarized with...