I have never paid and never will while the free versions are so good.
Windows defender is very good as i have found and picked these up instantly.
SupportScam: JS/TechBrolo.F is used as another dubious infection that is classified as Trojan infection. This is recently created for attacking its Windows OS Machines. This is used as another infection that benefits its online spammers. Once invaded, this threat will gradually slows down your system speed, triggers some system errors, weakens your system security to assist more infections, invasion of Adware, hijacker, and other spyware. It will get detected repeatedly into your screen, when you do regular scan. Hence, by staying on your PC, SupportScam: JS/TechBrolo.F always tries to download third-party installer from remote server and installs advertising software to infect your web browsers. It also add several unwanted extensions or Toolbar to your Internet Explorer, Google Chrome, Mozilla Firefox, and keeps generating pop-ups and then ads every time you try to open the google or any Internet. So, if you don't get rid of SupportScam: JS/TechBrolo.F timely and safely. You should remove SupportScam: JS/TechBrolo.F as soon as possible from your system.
After getting installed into your web browsers, SupportScam: JS/TechBrolo.F will install some keyloggers into your PC, which will record and share everything, you enter into your PC, with its hackers as login credentials, banking information, credit card and debit card details, browsing history etc. The presence of this notorious infection will compromise your privacy and may even result in identity theft as well as financial crisis issue. Additionally, it consumes high CPU Resources which will make your system slower than ever before. It will also bypass the security measures in compromised PC and can easily break into your Windows PC. It also manages to find backdoor into your comouting machine, then it will freely bring other threats into your PC, and will destroy everything found on your system, such as files, applications, documents, and much more. Since, it uses some rootkit techniques, thus its quiet tricky to detect or remove SupportScam: JS/TechBrolo.F, this vicious infection completely from your system.