1. Symantec/
  2. Security Response/
  3. PUA.SystemOptimizerPro


June 29, 2015 8:53:42 AM
Potentially Unwanted App
Infection Length:
System Optimizer Pro
Risk Impact:
Systems Affected:


PUA.SystemOptimizerPro is a potentially unwanted application that displays misleading information about issues it claims are slowing down the computer. It may then ask the user to pay to fix the issues.

Note: Virus definitions dated June 26, 2015 or earlier detect this threat as SystemOptimizerPro.

Antivirus Protection Dates

  • Initial Rapid Release version November 11, 2014 revision 005
  • Latest Rapid Release version May 2, 2017 revision 004
  • Initial Daily Certified version December 10, 2014 revision 021
  • Latest Daily Certified version May 2, 2017 revision 008
  • Initial Weekly Certified release date November 12, 2014
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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