Instructions/programs to clean/protect a system from viruses, spy-/ad-/malware and browserhijackers: http://members.home.nl/edeijl/acred/cleaning.htm This page also has a link to a hijackthis log file analyzer and explanation about the HJT logfile.

Follow the instructions on that page to completely clean your system.

Small hint: the problem you are describing is handled multiple times in various threads on this forum. So instead of asking a question that has been asked and answered multiple times already. Please search the forum first. This way you also don’t have to wait for an answer :wink: