Have you ever come across Troj_Ransomnote.sm? At present, many users groaned that their PC suffer the issues of this item. They said that it would encrypt their files and then give them some hints to trace its technicians for help. In this way, they have to pay thousands of money to save these files. Therefore, we immediately take action to check it and we confirm that this is a ransomware that exerts very dangerous impacts on the PC.
When the files are encrypted by Troj_Ransomnote.sm, users cannot read it anymore even with the security programs. Normally, all the extension name of these files will be added a redundant .crypt, .vvv, .locky, .micro, and so on. What you can do is either getting rid of these files, or contacting their technicians for help.