This misuses system resources, thereby diminishing overall performance. Some potentially unwanted programs (and fake error-displaying websites) run background processes (such as mining cryptocurrency). This error can be removed by closing the browser or rebooting the system. They offer their assistance in resolving these issues for additional fees. Once connected, they install viruses and change system settings (for example, user passwords). In addition, these people usually demand remote access to users' computers. Although the WannaCry virus exists, the error message claims are false - your system is not infected.Ĭyber criminals generate revenue by scaring and tricking victims into calling and paying for services that are not required. You are then supposedly guided through the malware removal process.īe aware, however, that 'CRITICAL ALERT TO MICROSOFT' is fake and has nothing to do with Microsoft (the Windows Operating System developers). You are encouraged to contact 'technical support' via a telephone number (' +1-84') provided. The 'CRITICAL ALERT FROM MICROSOFT' error states that the system is infected with the WannaCry virus, your privacy is at risk, and that the malware should be eliminated immediately. In addition to causing redirects, potentially unwanted programs diminish system performance, generate 'malvertising' ads (pop-ups, coupons, banners, etc.), and record various user-system information.

Research shows that these programs usually infiltrate systems without consent. 'CRITICAL ALERT TO MICROSOFT' is a fake error message displayed by a deceptive website to which users are redirected by various potentially unwanted programs (PUPs).

Critical firefox update download