List of where you can find & delete it:
C:\Users\Jonathan\Documents\SYS
C:\Users\Jonathan\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
C:/Users/<your username>/AppData/Local/Temp/cernel.exe
Check MSConfig for AARC
Open Regedit, go to
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Remove AARC