Log-killer clear all your logs in linux and windows servers. Just download the tool and run it on the server. If your server OS is Windows then download the batch file and run it as administrator. But if your server Linux and then you should run the php script.

Also Read Unicorn – Downgrade Attack & Inject Shellcode Straight into Memory

Log-killer ScreenShots

Windows :

Linux :

Video

https://www.youtube.com/watch?v=_5wpKYaJQko&feature=youtu.be