The United States Government has issued a warning to its citizens regarding the security risk of Russian anti-virus and malware company Kaspersky. It is recommended that if you do have it installed on your computer, to uninstall it. Several articles you can read to further understand the security risk with this Russian company can be found here: Bloomberg, Reuters, and on the The Daily Star.
On a Windows PC Go to Control Panel, click on Programs and select Programs and Features. Select Kaspersky Antivirus and hit the Uninstall button. Follow the on-screen instructions to complete the process.
AldoMedia, LLC. recommends using Malwarebytes, one of the best antivirus, malware and spyware security programs for both Mac and PC computers. Malwarebytes will destroy ransomware, spyware, adware, viruses and other malware that could haunt your computer. Their website states: "Malwarebytes is at home in the home, on-the-go, and in the corporate conference room. Made for individuals, public organizations, private entities, and everything in between."