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  3. Trojan.Cryptolocker.B

Trojan.Cryptolocker.B

Risk Level 1: Very Low

Discovered:
December 23, 2013
Updated:
December 30, 2013 12:11:48 PM
Also Known As:
WORM_CRILOCK.A [Trend]
Type:
Trojan
Infection Length:
979,456 bytes
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.Cryptolocker.B 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.

For more information, please see the following resources:

Antivirus Protection Dates

  • Initial Rapid Release version December 23, 2013 revision 004
  • Latest Rapid Release version December 23, 2013 revision 004
  • Initial Daily Certified version December 23, 2013 revision 017
  • Latest Daily Certified version December 23, 2013 revision 017
  • Initial Weekly Certified release date December 25, 2013
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: Takashi Katsuki

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