I just recently downloaded Malwarebytes. I used it before and had just reformatted my computer. Then on the same day I installed Malwarebytes, it found two different but similar backdoor trojans - both of which were in files in Malwarebytes. So I tried removing them using the program, but it wouldn't do it. Then I ran my antivirus and it found one of the trojans, again stating that it was within a Malwarebytes file. I couldn't run System Restore, so I simply uninstalled Malwarebytes. This apparently removed the two trojans. I like using Malwarebytes, as it has found some other infections before, and I want the Malwarebytes people to know that I had to uninstall the program to remove the two trojans that it found. This was not a false positive; the two trojans were backdoor ones, with names.