The worst part about these applications is that they are usually installed by other malware, which means removing the rogue software wont be enough. More detective work is needed to eliminate the cause of the infection. This article will only focus on removing the effect but feel free to browse the How To section of hotforsecurity.com, to find out how to remove the applications that might have downloaded rogue security products on your computer in the first place.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/how-to-remove-rogue-security-software/