Moved from Community Support to Business/Endpoint Security for attention
By the way, that's ransomware. See the following for the current status regarding the possibility of decryption (not yet possible as far as I know)
!. BleepingComputer - Ransomware virus name Vegclass@aol.com.xtbl - Ransomware Help & Tech Support
2. Malwaretips - Remove .firstname.lastname@example.org ransomware (Files Encrypted Malware)
If your pictures, videos and documents are encrypted with a .email@example.com extension, then your computer has been infected with a new variant of the Troldesh/Shade ransomware.