Your personal files became encrypted and the following information may be displayed in your computer, or in a .txt, .html or .png file

Your ESET product detects the infection Win32/Filecoder.TeslaCrypt

How to decrypt your files using the ESETTeslaCryptDecryptor.exe tool

Solution

Download the ESETTeslaCryptDecryptor.exe tool and save the file to your Desktop.

Click Start → All Programs → Accessories, right-click Command prompt and then select Run as administrator from the context menu.
Windows 8 / 8.1 / 10 users: press the Windows key + Q to search for applications, type Command prompt into the Search field, right-click Command prompt and then select Run as administrator from the context menu.

Type the command cd %userprofile%\Desktop (do not replace "userprofile" with your username–type the command exactly as shown) and then press Enter.

Type the command ESETTeslaCryptDecryptor.exe and press Enter.

Read and agree to the end-user license agreement.

Type ESETTeslaCryptDecryptor.exe C: and press Enter to scan the C drive. Files encryped by TeslaCrypt V.3 and V.4 will automatically be decrypted. To scan a different drive replace C: with the appropriate drive letter.

Source:http://support.eset.com/kb6051/?viewlocale=en_US