Sometimes malware process or service blocks all your attempts to remove virus, trojan, worm by blocking access to Task Manager, Registry Editor, Services and does not allow you to uninstall itself from Control Panel, to remove files and folders, to stop malicious processes.
Zombie Invasion by Time Lapse Solutions is obtrusive adware for Internet Explorer, Google Chrome and Mozilla Firefox. This program does not usually install extensions in browsers, however, always double check. Main issues with Zombie Invasion are annoying ads, pop-ups, highlighted words, inline-text ads and banners like "Ads by Zombie Invasion".
Rocket Tab by Rich River Media, LLC is a malicious browser add-on for Google Chrome,Internet Explorer, Mozilla Firefox. Rocket Tab is is adware developed for making money out of your clicks on ads it shows in your browsers. This adware can be installed by a download program for a free software that you use.