Apple Users Held For Ransom By New Malware | Fanboys Anonymous

Apple Users Held For Ransom By New Malware

Posted by Caelan Dooley Monday, March 7, 2016
Apple has become increasingly less risk-free as users were targeted by hackers over the weekend with a malicious software known as Ransomware, in what is believed to be the first attack on Apple products.

malware holds mac users for ransom


Ransomware is one of the fastest-growing forms of cyber threats, encrypting data on infected machines and forcing users to pay a ransom for a electronic key to retrieve their data. The malware demands that victims pay one bitcoin ($400) to a specific address to retrieve their files.

Claud Xiao and Jin Chen of Palo Alto Networks reported that the ransomware, called "KeRanger," is the only fully functional ransomware seen on the OS X platform. The only previous attempt at ransomware for OS X is FileCoder, discovered by Kaspersky Lab in 2014, though it was incomplete at the time of discovery.

Hackers infected Transmission BitTorrent client version 2.90, which is used to transfer data through the BitTorrent peer-to-peer file sharing network, on the morning of March 4. Those that downloaded Transmission from the official website between 11 a.m. on March 4 and 7 p.m. on March 5 may have been infected, Palo Alto Networks stated.

KeRanger was signed with a valid Mac app development certificate, allowing it to bypass Apple's Gatekeeper protection. The application is designed to idle for three days before connecting with servers over the Tor anonymizer network and then begins to encrypt certain types of document and data files. Additionally, the malware encrypts Time Machine backup files, preventing victims from recovering their back-up data.

Security experts estimate that ransoms total hundreds of millions of dollars a year from cyber criminals who typically target Windows users, Reuters reported. This is the first known major attack on Mac users.

The ransomware was reported to Apple and the Transmission Project, prompting Apple to revoke the abused certificate that enabled the malware to install. On Sunday, the Transmission Project removed the malicious installers from its website and advised users to immediately install the new update, version 2.92, if they suspect their Mac has been infected. According to the website, the updated version will automatically remove the ransomware.

Malware is less likely to be found on Mac computers since they are more difficult to write, though as Apple becomes more commonly used among companies, creatives, and millennials alike, cyber criminals are working harder to target them, Greg Day, Palo Alto Networks' chief security officer for Europe, Middle East, and Africa told BBC. It is unclear how many users have been targeted.

If your Mac has been infected with the KeRanger malware, let us know in the comments below. 
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THIS POST WRITTEN BY: CAELAN DOOLEY

Caelan Dooley is a queer artist, activist, and writer, covering comics, tech, and video games. She regularly performs with the Rich Weirdoes, Orlando's Rocky Horror shadow cast. You can follow her on Twitter. Extended staff profile here.

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