It’s been reported that John McAfee net worth reaches 4 million dollars. He’s rolled up his net worth through mostly being a CEO of antivirus software company named after him, McAfee. Among the best things about John McAfee net worth is that at one point it reached 100 million dollars. But when he invested a lot during the worldwide downturn of 2008, his net worth fell till 4 million dollars. In 1987, John McAfee began his business venture, when he determined to produce a software company.