Hexlock - Security app locker keeps apps private with smart profiles for any situation
Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .
App Lock and Gallery Vault - Wish you could simply lock all your private apps on your smartphone with just a click?
Kaspersky AntiVirus - Download the best FREE antivirus for Windows-based desktops, laptops, & tablets and get the core protection against viruses, spyware, phishing & dangerous websites.
AppLock (FOSS) - A privacy App lock FOSS application.
AdwCleaner - AdwCleaner is a free removal tool for : Adware (ads softwares)