The pattern matching swiss knife for malware researchers
Scan for and remove malware and spyware
Orca antivirus for Windows PC, virus and malware cleaner
Monitors system changes on a Windows machine
Locks backup files disallowing malware (cryptolockers) to alter them
portable zipped version of the free and open source antivirus ClamWin
A repository of LIVE malwares for malware analysis and security
Open Source Pinoy Antivirus
A free utility that finds malware and other threats
Creates permanent autorun.inf to avoid USB infections
Run Windows XP & 7 Virus Free Inside Ubuntu & All Derivatives
Run Windows XP & 7 Virus Free Inside Linux Mint
Windows Network Simulation tool for Malware Analysis