I think it is related to FRST, we’ll clean that tool…
You can delete that strange simbols folder 
Final check:
Please download aswMBR and save it to your desktop.
Double click aswMBR.exe to start the tool.
[*]Select Yes if prompted to download the Avast database.
[*]Click Scan
[*]Upon completion of the scan ( Scan finished successfully ) click Save log and save it to your desktop, and post that log in your next reply for review.
Note: do NOT attempt any Fix yet.