They can be anything from taking the space on your hard disk to accessing your private information and draining your CPU. Thankfully, there are many antivirus tools available that can help protect your devices and prevent these types of problems. It is important to choose an antivirus program that will have a minimal impact on the system performance. All of our antivirus software is tested against this factor. The results below are determined by the amount of time it takes each program to complete an operation. Kaspersky Security Cloud Free, for instance, had a background effect of 6% while performing a full scanner, while ESET had an impact of 12 percent.

The German-based Avira is a reputable company in our tests and consistently performs above 90% in all three categories – Security, Performance and Usability (False Positives). Its UI offers a lot of functionality that includes a smart “firewall” and a variety of privacy tools. Avira subscriptions are priced per month rather than for a set time period of 1-3 years. This makes it much easier to cancel your subscription or make adjustments at anytime.

A relatively new name that we’ve tested, Essentware – which was previously known as PCKeeper is a program that runs the Avira engine behind the scenes and generally scores quite well across the spectrum. Its UI is simple to use and its performance was satisfactory this month, although there were some issues with stability, mainly with scan jobs locking up dented the rating. The detection was good and a flawless run of the certification sets was rewarded with VB100.

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