Lynis - Security auditing tool for systems running Linux, macOS, BSD, and other UNIX-based systems.
GMER - GMER is an application that detects and removes rootkits .
Lion - Accountability browser for the modern day
Malwarebytes Anti-Rootkit - Malwarebytes Anti-Rootkit is a rootkit removal program by the Malwarebytes best known for providing the antimalware program.
Silverback - Silverback 3
Kaspersky TDSSKiller - Kaspersky TDSSKiller is the free rootkit removal program by the leading internet and PC security platform Kaspersky Lab.