I suspect that it is a false positive. AVG is not as highly recommended as Avast or Antivira
Download, setup, update, and run SUPERAntiSpyware from this site
http://www.superantispyware.com/down...NTISPYWAREFREE
It is well recommended by many users.
Download, setup, update, and run Malwarebytes' from this site
http://www.download.com/Malwarebytes...=dl&tag=button
It is well recommended.
Use both of them weekly to scan for infections on your computer.