JS:BHO-O [PUP] is a threat detected by several Antivirus or Anti-Malware software vendors. This JS:BHO-O [PUP] threat is classified as PUP a Potentially Unwanted Program by Anti-Malware software because it inflicts and acts as a malicious threat into your computer system. JS:BHO-O [PUP] is not a virus but it does act like one. JS:BHO-O [PUP] is adware which is bundled using custom installers and dropped on your computer during the installation process. Most users have no idea how this JS:BHO-O [PUP] threat is installed on there computer and what it is, until their Antivirus or Anti-Malware software detects it as a malicious threat or virus. Follow our instruction to remove this JS:BHO-O [PUP] threat from your computer.