Norton.com > Viruses & Risks > Trojan.Cryptodefense

Trojan.Cryptodefense

Risk Level 1: Very Low

Discovered:
March 26, 2014
Updated:
June 27, 2014 3:39:08 PM
Type:
Trojan
Infection Length:
Varies
Systems Affected:
Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
Trojan.Cryptodefense 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:
Trojan.Cryptowall is a variant of Trojan.Cryptodefense.

Antivirus Protection Dates

  • Initial Rapid Release version March 26, 2014 revision 019
  • Latest Rapid Release version October 30, 2014 revision 017
  • Initial Daily Certified version March 26, 2014 revision 024
  • Latest Daily Certified version October 29, 2014 revision 021
  • Initial Weekly Certified release date April 2, 2014
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Medium
  • Payload: Demands a ransom to decrypt files on the compromised computer.
  • Modifies Files: Encrypts files on the compromised computer.

Distribution

  • Distribution Level: Low
Writeup By: Mark Anthony Balanza

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