The pattern matching swiss knife for malware researchers
Scan for and remove malware and spyware
Orca antivirus for Windows PC, virus and malware cleaner
Free and opensource antivirus solution based on ClamAV.
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
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