For the first time seems Apple users have been affected by ransomware, that is a type of malicious software that is linked to economic blackmail. It is BitTorrent application Transmission who has received the installation files replaced with the infected versions of the version Transmission 2.90. The whole thing was discovered on Friday, March 4 by the security company Palo Alto Networks, and Apple has since the discovery recalled the relevant certificate and ensured that a gatekeeper to block the harmful installations.
The ransomware that has now been used to infect OS X has been named KeRanger. The application for KeRanger signed with a certificate filtigt for Mac, which has meant that it is not stopped Apple’s gatekeeper protection. Reportedly, it would take three days after having downloaded the infekerade files before the software begins to encrypt files and documents. After sending a request to the user pays a bitcoin, equivalent to 3400 crowns, in order to recover their files. According to Palo Alto Networks seem KeRanger still under development, and it seems that the software also tries to encrypt backup files on the time machine to prevent the user can access the backup versions of its data.
Palo Alto Networks writes that KeRanger is the first kind of ransomware for OS X that seems to work. An earlier variant, called FileCoder, uppäcktes by Kaspersky Lab in 2014, but was then not fully developed.
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