1. Symantec/
  2. Security Response/
  3. UltraDefraggerFraud


November 21, 2010 1:11:47 PM
Also Known As:
WindowsRecovery [Symantec]
Misleading Application
Ultra Defragger
Risk Impact:
Systems Affected:


UltraDefraggerFraud is a misleading application that gives exaggerated reports of hard disk errors on the computer.

The program performs a fake hard disk scan and falsely reports back several critical errors. It prompts the user to activate the program in order to resolve the errors. Activation involves visiting a predefined Web page and performing a payment transaction.

Antivirus Protection Dates

  • Initial Rapid Release version October 2, 2014 revision 022
  • Latest Rapid Release version March 23, 2017 revision 037
  • Initial Daily Certified version November 21, 2010 revision 032
  • Latest Daily Certified version March 23, 2017 revision 041
  • Initial Weekly Certified release date November 24, 2010
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

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