CRYPCTB

January 30, 2015

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 PLATFORM:

Windows

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

 INFORMATION EXPOSURE:

• 
  Threat Type: Trojan
• 
  Destructiveness: No
• 
  Encrypted:
• 
  In the wild: Yes

  OVERVIEW

The crypto-ransomware CTB (Curve-Tor-Bitcoin) Locker/Critroin surfaced in July 2014. Apart from demanding for ransom and encrypting files, this ransomware uses Tor network to hide its C&C activities.

This ransomware variant may arrive as an attachment to spammed messages.