A phishing scam has targeted Mac users by redirecting them from legitimate websites to fake websites which tell them that their computer is infected with a virus. The user is then offered Mac Defender "anti-virus" software to solve the issue. 
 
This “anti-virus” software is malware (i.e. malicious software). read more
Yes, Macs can get malware. Beyond traditional viruses, worms, and Trojans, there’s now a thriving ecosystem of adware and spyware programs that bombard you with ads and spy on your web browsing, just like on Windows. read more
You can download Malwarebytes Anti-Malware for Mac from the below link: MALWAREBYTES ANTI-MALWARE FOR MAC DOWNLOAD LINK (This link will open a new web page from where you can download “Malwarebytes Anti-Malware for Mac”) One you have downloaded Malwarebytes Anti-Malware for Mac, click on the “Scan” button to start a system check-up. read more