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ISC Stormcast For Monday, June 27th 2016 http://isc.sans.edu/podcastdetail.html?id=5057

Bart - a new Ransomware

Published: 2016-06-26
Last Updated: 2016-06-26 17:27:07 UTC
by Rick Wanner (Version: 3)
7 comment(s)

Phishme is reporting the discovery of a new ransomware which its creators have named Bart. Bart shares several commonalities with the Locky ransomware.  Bart is delivered by the same downloader, RockLoader.  The payment site bares a striking resemblance to the Locky page. 

But Bart also deviates from Locky in other ways.  The ransom is much higher, 3 Bitcoins, approximately $2000.  But probably the most striking difference is that unlike most ransomware variants Bart does not require a command and control to facilitate the encryption and in fact looks like it has no command and control capability.  Bart does not utilize the complex public-private key or symmetric encryption methods that have become common in ransomware.  Instead it stores the encrypted files in password protected zip files, and utilizes a victim id and a tor-based payment website to  facilitate decryption.

Unfortunately, no decrpyter is yet available.

More information on Bart can be found at the Phishme website.

-- Rick Wanner MSISE - rwanner at isc dot sans dot edu - http://namedeplume.blogspot.com/ - Twitter:namedeplume (Protected)

Keywords: ransomware
7 comment(s)

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