You just need to get an effective software against malware. It has to run fast, scan frequently and alert you immediately once a malware is detected. The best malware removal tools for 2018 are Comodo Antivirus, Malwarebytes, Avira, Avast, and Emsisoft. But if I were you, I’d go for Comodo. It’s free, yet will surely give boost for your computer and data security. It has advanced containment technology on top of the basic features of a malware removal tool. Fast, user-friendly, gives a total clean up and free.