A method for detecting legitimate computer operation misrepresentation is provided. In some embodiments, the method comprises monitoring internet activity associated with a user computer, comparing the internet activity with suspicious feature information to produce a comparison result, wherein the suspicious feature information comprises at least one image that misrepresents at least one legitimate computer operation, identifying fraudulent software based on the comparison result, wherein the comparison result indicates a portion of the internet activity that misrepresents the at least one legitimate computer operation and mitigating activities associated with the identified fraudulent software.