BehaviorThe program must be manually installed.

The program reports false or exaggerated system security threats on the computer.

The user is then prompted to pay for a full license of the application in order to remove the errors.
InstallationWhen the program is executed, it creates the following files:
- %UserProfile%\Start Menu\Programs\Performance Optimizer\Documentation\Documentation.lnk
- %UserProfile%\Start Menu\Programs\Performance Optimizer\Documentation\ReadMe.doc.lnk
- %UserProfile%\Start Menu\Programs\Performance Optimizer\Performance Optimizer Home Page.lnk
- %UserProfile%\Start Menu\Programs\Performance Optimizer\Performance Optimizer.lnk
- %UserProfile%\Start Menu\Programs\Performance Optimizer\Sellmosoft Home Page.lnk
- %UserProfile%\Start Menu\Programs\Performance Optimizer\Uninstall Performance Optimizer.lnk
- %ProgramFiles%\Performanceoptimizer (Free)\creader.exe
- %ProgramFiles%\Performanceoptimizer (Free)\inst.imd
- %ProgramFiles%\Performanceoptimizer (Free)\pcid.exe
- %ProgramFiles%\Performanceoptimizer (Free)\PerfOpt.chm
- %ProgramFiles%\Performanceoptimizer (Free)\PerfOpt.exe
- %ProgramFiles%\Performanceoptimizer (Free)\Performance Optimizer Home Page.url
- %ProgramFiles%\Performanceoptimizer (Free)\PoChk.exe
- %ProgramFiles%\Performanceoptimizer (Free)\ReadMe.doc
- %ProgramFiles%\Performanceoptimizer (Free)\Sellmosoft Home Page.url
- %ProgramFiles%\Performanceoptimizer (Free)\sload.sbd
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data001.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data003.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data006.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data007.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data009.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data011.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data013.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data016.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data017.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data020.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data023.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data027.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data030.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data031.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data033.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data040.reg
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks\data042.reg
- %ProgramFiles%\Performanceoptimizer (Free)\uninstpo.exe
The program also creates the following folders:
- %ProgramFiles%\Performanceoptimizer (Free)\com_s\
- %ProgramFiles%\Performanceoptimizer (Free)\cur_s\
- %ProgramFiles%\Performanceoptimizer (Free)\Restore\
- %ProgramFiles%\Performanceoptimizer (Free)\Tweaks.Bak\
Next, it creates the following registry subkeys:
- HKEY_USERS\Software\Performanceoptimizer
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Performance Optimizer (Trial version)
- HKEY_LOCAL_MACHINE\SOFTWARE\Performanceoptimizer
- HKEY_CURRENT_USER\Software\Sellmosoft\Performance Optimizer
- HKEY_CURRENT_USER\Software\Sellmosoft\Performance Optimizer (Trial version)
- HKEY_CURRENT_USER\Software\Sellmosoft Inc.
- HKEY_LOCAL_MACHINE\SOFTWARE\Sellmosoft\Performance Optimizer (Trial version)