After the files are encrypted, Locky creates an additional .txt and _HELP_instructions.html (or _WHAT_is.html) file in each folder containing the encrypted files. Furthermore, this ransomware changes the desktop wallpaper. Both text files and wallpaper contain the same message that informs users of the encryption. It states that files can only be decrypted using a decrypter developed by cyber criminals and costing .5 BitCoin (at time of research, .5 BTC was equivalent to $207.63). To proceed, V5R4S ZETAR ------------------------------------------------------------------- V Z W R Y 4 H 1 HG FD FDC FVC DSS EWSD FDDE ------------------------------------------------------------------- Zepto (a new variant of the Locky ransomware) is a file-encrypting ransomware....