Hello there,
You can add ondemand scanner like zemana, emsisoft emergency kit or hitman pro.
May i know what AV did you use? What browser did you use? And what extension for your browser did you install?
@LaweiTech: I tagged temporally Your config as Caution.
Please consider:
- To use a system image back solution as Macrium Reflect or AOEMI Backupper, both are free and reliable.
- Add extensions: uBlock Origin and HTTPS EveryWhere to Your browser
- Add some on demands scanners: ZAM Free, MBAM Free, Norton Power Eraser, EmsiSoft Emergency Kit.
- Also consider to use a different security product (then Windows Defender) as main system antivirus, such as Avast Free (in Hardened Mode).