Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .
Ashampoo WinOptimizer - Ashampoo WinOptimizer Free – Speed up your system.
Avira - Cloud based email security solution
Advanced SystemCare PRO - Advanced SystemCare PRO is a software that helps users to optimize, clean, speed up, and protect their system and enables them to secure their online working.
Easy PC Optimizer - Easy PC Optimizer is an easy and quite simple tool for enhancing the performance and boosting up the speed of the system.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.