1. Symantec/
  2. Security Response/
  3. Ransom.TorrentLocker


Risk Level 1: Very Low

August 20, 2014
August 30, 2016 11:52:18 AM
Also Known As:
Trojan.Cryptolocker.H [Symantec]
Infection Length:
359,936 bytes
Systems Affected:
Ransom.TorrentLocker is a Trojan horse that encrypts files on the compromised computer and then prompts the user to purchase a password in order to decrypt them.

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

For more information, see our blog:
The dawn of ransomwear: How ransomware could move to wearable devices

Antivirus Protection Dates

  • Initial Rapid Release version August 20, 2014 revision 005
  • Latest Rapid Release version January 21, 2018 revision 002
  • Initial Daily Certified version August 20, 2014 revision 018
  • Latest Daily Certified version January 21, 2018 revision 008
  • Initial Weekly Certified release date August 27, 2014
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Takayoshi Nakayama

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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