Morningstar (Jan. 21) -- Malwarebytes, the leading advanced malware prevention and remediation solution, today announced a $50 million Series B funding round from Fidelity Management and Research Company. Founded in 2008 by CS alumnus Marcin Kleczynski, Malwarebytes surpassed $100 million in annualized billings in 2015 and achieved its 31st consecutive cash flow positive quarter.