Microsoft Safety Scanner is a Free Antivirus, Malware, and Spyware Scanner. This stand-alone tool can perform on demand viruses, spyware, and malicious software scanning. It should be used in conjunction with an existing Antivirus solution. A caveat is that it expires every 10 days, and needs to be re-downloaded to keep up with the latest anti-malware definitions.
Trend Micro System Cleaner (SysClean) is a Portable Malware Spyware Scanner created by Trend Micro. This Free Malware Spyware Remover can be used to scan for and terminate all running malicious software and then delete any malware or spyware copies on all drives. This tool can be stored and run from a USB device. For best results run this System Cleaner in Safe Mode.
SUPER Anti Spyware is a free adware and malware removal tool. This on demand scanner can also be used to quickly detect and remove Trojans, Dialers, Worms, KeyLoggers, HiJackers, Parasites, Rootkits, and many other security threats.
Spybot Search and Destroy aka: Spybot SD, is a free security tool created by safer-networking that can be used to detect and remove Spyware and Malware, and correct registry issues. Spybot Search and Destroy Portable is a portable wrapper created by portable apps that enables you to carry this anti-spyware, anti-malware tool with you on a USB flash drive.
