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Christian Mairoll

Ultra Defragger Adware Removal Instructions

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The Emsisoft malware research team has discoverd a new outbreak of the Ultra Defragger adware. Emsisoft Anti-Malware detects this malware as Adware.Win32.UltraDefragger.

Ultra Defragger is a rogue application, this is another variant of Quick Defragmenter, Smart Defragmenter, HDD Defragmenter, and System Defragmenter. A rogue application tries to trick you by displaying false positive/misleading scan results report, which says that your computer has a problem, or infected with viruses or trojan, but you will not be able to fix it before you purchase.

Create new files:

  • %UserProfile%DesktopUltra Defragger.lnk
  • %UserProfile%Local SettingsTempdfrg
  • %UserProfile%Local SettingsTempdfrgr
  • %UserProfile%Local SettingsTemp%random%.dll
  • %UserProfile%Local SettingsTemp%random%.exe
  • %UserProfile%Local SettingsTemptmp4.tmp
  • %UserProfile%Local SettingsTemp%random_number%
  • %UserProfile%Local SettingsTemp%random_number%.bmp
  • %UserProfile%Local SettingsTemp%random_number%.exe
  • %UserProfile%Start MenuProgramsUltra Defragger
  • %UserProfile%Start MenuProgramsUltra DefraggerUninstall Ultra Defragger.lnk
  • %UserProfile%Start MenuProgramsUltra DefraggerUltra Defragger.lnk

Create new registry entries:

  • HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun
    (String) %random% = %UserProfile%Local SettingsTemp%random%.exe
    (String) %random_number% = %UserProfile%Local SettingsTemp%random_number%.exe


How to remove the infection of Ultra Defragger (Adware.Win32.UltraDefragger)?

To delete this malware infection, please download and install Emsisoft Anti-Malware. Run a full scan on all drives and move all detected items to the quarantine.

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