勒索病毒，用360解密大师扫描后提示未发现任何被加密文件

勒索信内容：
!!!Your files have been encrypted!!!
To recover them, please contact us via email:
Write the ID in the email subject

ID: 9EC3B89E094A2B43DA0D665CC5D37D76

Email 1: usenarealnran@outlook.com
Email 2: usenarealnran@onionmail.org

To ensure decryption you can send 1-2 files (less than 1MB) we will decrypt it for free.

IF 48 HOURS PASS WITHOUT YOUR ATTENTION, BRACE YOURSELF FOR A DOUBLED PRICE.
WE DON'T PLAY AROUND HERE, TAKE THE HOURS SERIOUSLY.

加密文件后缀.4L9cvTch

需要进行溯源分析，排查中毒原因。请添加360反勒索官方QQ:2880706404，并备注被加密文件后缀。