Hello everybody,   (sorry if this is the wrong forum for the topic)   I have problems with an extension called helper2 on firefox and google chrome. I have purchased Malwarebytes anti-malware few months ago and it was working fine until last couple weeks, when this seemingly unkillable extension is hijacking my browsers. At first Malwarebytes seem to catch a backdoor agent and put it in quarantine. After that, about an hour later, firefox crashes and closes. When I reope