HitmanPro

HitmanPro is a small but powerful application for searching and removing various malware from your computer. In addition to detecting potentially unsafe applications, this program enables the deeper analysis of suspicious files using its behavioral analysis. By connecting multiple computers through the Internet, this cloud service can gather data. HitmanPro can detect up to 300,000 of the most common viruses, but if the file under investigation is not yet known to the system, it is sent for scanning by five different antivirus programs.

can detect viruses by observing anomalies in their behavior, such as windows visibility characteristics (startmarks, system tray), network patterns, auto run methods, metadata (author, date, etc.), digital signatures, compression, etc. HitmanPro prevents viruses from invading your computer by detecting and removing malicious files before the computer logs off. It compress files that have been compressed or sent by SSL, as well as provide a simple way to export files to the cloud for analysis. HitmanPro is not technically a paid antivirus, though you can use it to scan your system for free. It is simple to run on CDs, DVDs or USB sticks. It is not require an installation.