Security is Everyone's Job
Dr. Web 2nd opinion AV, is a malware detection and removal program that acts as a second line of defense for your computer should your primary antivirus or anti-malware scanner fail to detect an active malware infection
Dr. Web 2nd opinion AV is a free program that you can download from the Dr. Web website.
However, it does not offer real-time protection or automatic scans, so you need to run it manually whenever you suspect a malware infection.