JavaScript to the operating system's API with superuser privileges. These flaws have affected major browsers including Firefox, Internet Explorer, and Safari. Plugins, such as video players, Adobe Flash, and the wide range of ActiveX controls enabled by default in Microsoft Internet Explorer, may also have flaws exploitable via JavaScript (such flaws have been exploited in the past). In Windows Vista, Microsoft has attempted to contain the risks of bugs such as buffer overflows by running the Internet Explorer process with limited privileges. Google Chrome similarly confines its page renderers to their own "sandbox". Web browsers are capable of running JavaScript outside
Browser hijacking download applications and installers such as HyperCam. It is known to install itself into Firefox, Internet Explorer, Safari, and Google Chrome Symptoms range from no symptoms at all (simple processor drainage) to complete system crashes so severe that the victim has to re-install their entire operating system. MyStart uses browser helper objects (in this case search tools) and infects users by installing MyStart search toolbar into their browser (Firefox is most vulnerable) which redirects internet users to MyStart’s websites, mystart.incredibar.com in particular. Some Internet users report that they are redirected for every search or webpage they visit. Removing Incredibar can