In this case, the only way to check and clean up the malware is by directly downloading and installing anti-virus software.

Kill the poison, and then install a 360 to kill him. If you cannot delete the software, just turn off the background settings in General and delete the check box next to the corresponding software.

Provide users with MacDefender anti-virus software to solve the problem. This anti-virus software is actually a type of malware whose ultimate goal is to obtain users’ credit card information for fraud. The most common names for this malware are MacDefender, MacProtector, and MacSecurity, and Apple has released a free software update that automatically finds and removes the MacDefender malware and its known variants.