If you want to make your Ubuntu installation a little less purple and orange, but don't see a solution that covers the change of log-in screen background picture change, try Simple Lightdm Manager. It is a tool that lets you
Find malicious system entries with HiJackThis for Windows
HiJackThis is a software that is able to detect unusual entries on your registry and hard drive and create a log file with the information it gathered about the running processes. This log file can either be analysed by the