CTB-Locker. Like Cryptolocker But Worse.


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CTB-Locker (Critroni) on the rise and using TOR

 

 

Attackers are implementing new strategies to exploit new vulnerabilities and increase their bot network.  Critroni is a new malicious program that have been sold in the underground forum. this kind of malware uses Tor network for the command and control servers to hide their presence and mask the source of attackers.

 

Critroni can be purchased for 3000 USD and provide attacker a platform to implement spam bot computers. the bot allows to install other malicious components and encrypt data similar to ransomware asking victim to pay online in order to have their files back. locking the computer is one of the method that becomes more often used by cybercriminal because it makes victim computer as a hostage and it will be almost impossible to decrypt the file without paying bitcoins to attackers.

 

http://www.sectechno.com/2014/07/21/ctb-locker-critroni-on-the-rise-and-using-tor/

 

CTB-Locker Features

 

CTB-Locker stands for Curve Tor Bitcoin Locker.  Here are some of the new features at a glance:

  • Hides from authorities by communicating to command and control over the TOR anonymous network.
  • Uses elliptic curve cryptography for encrypting your files.  This encryption is a lot faster than cryptolockers, so once it get?s on your PC or mapped drives it has a better chance of encrypting more files, faster (doing more damage).
  • Accepts payment to unlock your files via bitcoin.
  • Blocking TOR traffic only prevents users from paying, CTB still encrypts the files.

http://remove-malware.com/malware/ctb-locker-like-cryptolocker-worse/

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