Trojan Killer application was designed to be a malicious computer software (malware) removal tool. Samples of malware include various types of adware (displays unwanted advertising); spyware (may keep and send logs of your keyboard and mouse activity, such as credit card or personal identity information); hidden dialers (may initiate unsolicited phone call which then shows on your bill), and more.If you are an active internet user, you should take steps to protect your sensitive personal information from possible cyber exposure. Trojan Killer will help you to timely identify and safely remove dangerous applications before it is too late.Trojan Killer is very fast and can be a tad aggressive on scans. This is a good thing because when dealing with malware you are better to err on the side of too cautious than not cautious enough. If you find you are getting a few false positives try opening the SETTINGS section and adjusting the heuristics settings, that will help. However, it is better to let the scan run. Afterwards, you can choose to ignore/delete/quarantine or mark a specific item as a false positive. You do this by selecting the options in the ACTION column of the item. The program will then learn your preferences and this gives you much greater control. One thing of note, there is a rather loud, air-raid like warning alarm. Some people like it but I drink way too much coffee to be scared by loud noises in the morning. That can be turned off in the general settings.After a trial period, Trojan Killer can be purchased for $39.95 per year. There is also a lifetime licence available for $89.95.