The Dangers of macOS Ransomware A Closer Look at KeRanger, FileCoder, MacRansom, and EvilQuest

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary MacOS ransomware typically spreads through user-assisted methods such as downloading and running fake or trojanized applications. It can also arrive as a second-stage payload dropped or downloaded by oth...

Microsoft Reveals Tactics Used by 4 Ransomware Families Targeting macOS

Microsoft has shed light on four different ransomware families – KeRanger, FileCoder, MacRansom, and EvilQuest – that are known to impact Apple macOS systems. "While these malware families are old, they exemplify the range of capabilities and malicious behavior possible on the platform," the tech...

Unraveling the techniques of Mac ransomware

Ransomware continues to be one of the most prevalent and impactful threats affecting organizations, with attackers constantly evolving their techniques and expanding their tradecraft to cast a wider net of potential targets. This is evident in the range of industries, systems, and platforms...

HandBrake for Mac Compromised with Proton Spyware

The handlers of the open source HandBrake video transcoder are warning anyone who recently downloaded the Mac version of the software that they’re likely infected with malware. HandBrake warned users on Saturday of a compromise of one of its mirror download servers, and said anyone who grabbed th...

RansomWhere? Generic OS X Ransomware Detection

With each new unrelenting ransomware sample, security researchers understand that no matter how quickly antivirus signatures are updated or how rapidly decryptors are built and shared, current defenses will continue to fall short. The problem is that most adequate defenses are sample-specific;...

KeRanger OS X Ransomware Impact Likely Mitigated

It’s likely that the first functional ransomware for OS X is a dud. Discovered on Friday by researchers at Palo Alto Networks, the KeRanger ransomware sits dormant for three days before encrypting files from a comprehensive list of 300 file extensions; today would be Day 3. The malware was includ...

First Mac OS X Ransomware Targets Apple Users

Mac users, even you are not left untouched! The World's first fully functional Ransomware targeting OS X operating system has been landed on Macs. Ransomware – one of the fastest-growing cyber threats – encrypts the important documents and files on infected machines and then asks victims to pay...