1. Symantec/
  2. Security Response/
  3. Ransom.Cryptolocker.D


Risk Level 1: Very Low

January 24, 2014
August 30, 2016 11:41:33 AM
Also Known As:
Trojan.Cryptolocker.D [Symantec]
Infection Length:
Systems Affected:
Ransom.Cryptolocker.D is a Trojan horse that encrypts files on the compromised computer and then prompts the user to purchase a key in order to decrypt them.

Note: Definitions prior to August, 2016 may detect this threat as Trojan.Cryptolocker.D

For more information, please see the following resources:
Cryptolocker Q&A: Menace of the Year
Cryptolocker: A Thriving Menace

Antivirus Protection Dates

  • Initial Rapid Release version January 24, 2014 revision 002
  • Latest Rapid Release version October 23, 2016 revision 004
  • Initial Daily Certified version January 28, 2014 revision 002
  • Latest Daily Certified version October 23, 2016 revision 018
  • Initial Weekly Certified release date January 29, 2014
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Takayoshi Nakayama

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube