The six most popular antivirus programs as of 2015, including Bitdefender Antivirus Plus, McAfee Antivirus Plus, Norton Security and Avira Antivirus Pro, among others, feature benefits of multi-platform compatibility and tech support via live chat. They also include a bootable rescue CD and an ability to scan incoming emails.
These antivirus programs protect computers from various types of malware, including worms, rootkits and Trojan horses. TopTenReviews.com gives the six most popular antivirus program a 100 percent score for usability and protection. Of the six, only Kaspersky Anti-Virus has received a 100 percent score for performance, meaning that users can run it on older PCs that feature 1 gigabyte of RAM or less. The performance scores for the other five range from 67 to 92 percent.
Additional benefits include the feature to automatically clean the infected files without prompting the user to confirm the process. Another option is to have the antivirus program move the detected threats to quarantine, allowing users to determine whether they want to purge or restore the files. They are also capable of automatically detecting when a user connects a USB drive to the computer, which helps the software act to stop various malware before it gets transferred. All six antivirus programs, except Trend Micro Titanium Antivirus, feature a mode that suppresses antivirus notifications and alerts during gaming sessions.