Emsisoft Anti-Malware, previously a-squared Anti-Malware, is an antivirus and antispyware protection suite developed by Emsi Software. Emsisoft Anti-Malware monitors all active programs in real time for dangerous behavior (Behavior Blocking) and can detect new unknown Trojans, Worms, Viruses and other damaging programs (Zero-Day dangers) without daily updates. The signature-based security (Emsisoft and Ikarus double engine) ensures a very high recognition rate of known Malware such as Trojans, Worms and Viruses. Emsisoft Anti-Malware provides reliable protection from: Viruses, worms, bots. Trojans, backdoors, keyloggers, rootkits. Spyware, Adware, TrackingCookies. Emsisoft Anti-Malware is freemium: after 30 day trial period you can choose to buy a full version license or switch to the limited freeware mode. The freeware mode still allows you to scan and clean infections, but it doesn't provide any real-time protection to guard against new infections.