Earlier tonight Avira reported that it found a version of JS/Agent on my computer. I looked in the log and it said that it tried to remove the file but that the file could not be found. I rebooted and scanned the hard drive in safe and regular modes. I then downloaded and updated a copy of malwarebytes and again scanned the computer in regular and safe modes. Nothing turned up on either scan. Do I need to be concerned about this? I understand that the JS/Agent typically downloads another program so it has me a little worried. Should I still go through all the extra steps in the sticky?