Scans your computer for malicious software (Malware), including Trojan Horses, Dialers, Worms, Spyware, Adware and more. a-squared Free is specialized in finding and removing them securely. The disk scan checks all files on your system disks for Malware. The scanner scans for Spyware Traces. Currently more than 440,000 different types of Malware may be detected and removed. Free daily online updates provides the best protection.