Just today I noticed that most of my files on a particular drive had new extensions. Many of these include my mp3s, some pics, and some other files. The new extensions were .ENCRYPTED. When I removed the extensions the files still were not playable. I use Avast Home Edition and it never caught or told me anything had happened. In each folder on the drive was a README.txt that stated I needed to pay 50 euro in order for them to email me the decrypter for my files. When I ran a scan of viruses xwr48247.dll came up as infected. I don't know what to do! Any suggestions/ideas/solutions?