If you recently installed the Transmission BitTorrent App, most likely you are one unhappy user.
The recently released version of Transmission BitTorrent for OS X contained the embedded KeRanger ransomware, the debilitating program designed to lock and encrypt files in order to extort money from consumers. In case you didn’t read our previous post about ransomware, this malware is extremely debilitating to consumers and business owners alike. It locks files and infiltrates all external hard drives and shared networks, making external hard drive back up prevention useless in protecting sensitive data.
The March 4th version 2.90 of the application contained the malware. The Transmission’s website is encouraging all users who have downloaded this version to upgrade to version 2.91 or at a bare minimum delete the 2.90 version from their computers. If you would rather, wiping and restoring your system to an earlier time period is also an option. Make sure if you utilize this option, that you restore your device to a period before the Transmission 2.90 installation.
Now if you find yourself infected, resist paying the $400 asked to restore your files. There is no guarantee that paying this fee will result in any data retrieval and could possibly be a complete waste of your money. If you decide to do nothing, at least remove the malware installed. Leaving the installation only allows the ransomware more opportunity to further exploit your system.
If you would like to do a little investigating of your own, a new blog post from Palo Alto Networks’ threat intelligence team lists the steps for finding out if you have been infected with the KeRanger ransomware.
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