One of the most annoying malware that is active in the Web nowadays is Ultra Defragger. Its activity is malicious, its results are destroying and its behaviour is sometimes very unpredictable. This fake system improver would hijack your PC, including important system files and browser, and will subsequently do a lot of damage. You will not be able to launch certain exe-files, you may even experience certain redirect problems. This rogue will perform fake system scan and will later on report thousands of infections.
