Malware Encyclopedia

Featured family


These rogue security programs pretend to scan your PC for malware, and often report lots of infections. The program will say you have to pay for it before it can fully clean your PC.

However, the program hasn't really detected any malware at all and isn't really an antivirus or antimalware scanner. It just looks like one so you'll send money to the people who made the program. Some of these programs use product names or logos that unlawfully impersonate Microsoft products.

Prevalent threats

The following are the 10 most-detected threats in each category for the past week, December 12 to December 18, 2014.