The Cleaner 2011 Portable

From MooSoft Development:

MooSoft's The Cleaner is a high performance application that protects, prevents and recovers your computer from malicious software (malware) attacks, including: trojans, spyware, adware and other harmful programs. The Cleaner detects and removes malware that is often missed by anti-virus software. It delivers one of the quickest and most thorough scans on the market. It will scan your computer in under eight minutes making it an excellent addition to your computer's defenses. It has on-demand scanning for single drives, folders or files or it can scan the entire computer.