A browser hijacker is the one to blame for the '9939120.info' pop-up windows in your browser that may lead you to believe you are experiencing a critical system error. The '9939120.info' pop-ups feature a text message and an audio recording that are designed to convince users that there is a Web attack launched at their social media logins and banking details. The '9939120.info' pop-ups may provide details like 'Error code 0x8007042c' and claim that a harmful program on your PC has turned off your Windows Security Center and the Windows Firewall. The creators of the '9939120.info' messages have gone an extra mile by listing several other security issues that include 'System32.net Framework File Missing,' 'Hard Disk Corruption' and 'Malware Error 895-system 32.exe.'
The developers of the browser hijacker associated with '9939120.info' may have concluded that displaying the executive pop-up and listing so many security problems might convince users to call 855-591-5788, 844-703-3124 and 888-907-7155. The browser hijacker linked to it may utilize a specially designed JScipt Runtime that may prevent users from leaving the '9939120.info' domain and closing pop-up messages. The browser hijacker at hand might uninstall ad blockers you have added to your browser and prevent you from accessing Web pages and Web apps. Browsers that are affected by the browser hijacker linked to 9939120.info may not support the right-click menu and download rogue security tools like Antivirus 2010 RTK automatically.
Users should not install software that was downloaded from the 9939120.info domain and avoid calling numbers such as 844-703-3124, 888-907-7155 and 855-591-5788 because they are not associated with legitimate computer support services. The fake Microsoft technicians on 855-591-5788, 844-703-3124 and 888-907-7155 might want to connect remotely to your PC to backup the statements on the '9939120.info' pop-ups. You should ban remote connections to your computer that are initiated by unknown individuals and suspicious programs. The 9939120.info browser hijacker may have landed on your system when you downloaded a free program installer and may have edited your Internet settings in Google Chrome, Internet Explorer, and Mozilla Firefox to enable its operations. You should note that the complete removal of the 9939120.info browser hijacker requires the help of a trusted anti-spyware application.