#5: Spiderman. 14.70% of searches for Spiderman led to Web sites containing malware, according to McAfee. Pictured here: Spiderman attends “The Amazing Spider-Man 2” Be Amazing Day Volunteer Day at I.S. 145 Joseph Pulitzer on April 25, 2014 in the Queens borough of New York City. (Photo by Mike Pont/Getty Images)
