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Christian Mairoll

Security Defender Adware Removal Instructions

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The Emsisoft malware research team has discovered a new outbreak of the Security Defender adware. Emsisoft Anti-Malware detects this malware as Adware.Win32.SecurityDefender.

Security Defender is a rogue application. 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:

  • %AllUsersProfile%Application Datafa590639-ff19-4159-8c50-b02becb19e9c_32.avi
  • %AllUsersProfile%Application Datafa590639-ff19-4159-8c50-b02becb19e9c_32.ico
  • %AllUsersProfile%Start MenuProgramsStartupfa590639-ff19-4159-8c50-b02becb19e9c_32.lnk
  • %UserProfile%Application DataMicrosoftInternet ExplorerQuick LaunchSecurity Defender.lnk
  • %UserProfile%DesktopSecurity Defender.lnk
  • %UserProfile%Local SettingsTempins1.tmp
  • %UserProfile%Local SettingsTempwrk2.tmp
  • %UserProfile%Start MenuProgramsStartupfa590639-ff19-4159-8c50-b02becb19e9c_32.lnk
  • %ProgramFiles%Security DefenderSecurity Defender.dll

Create new registry entries:

  • HKEY_LOCAL_MACHINEsoftwareClassesCLSID{fa590639-ff19-4151-8c50-b02becb19e9c}
    (String) (Default) = {fa590639-ff19-4151-8c50-b02becb19e9c}
  • HKEY_LOCAL_MACHINEsoftwareClassesCLSID{fa590639-ff19-4151-8c50-b02becb19e9c}InProcServer32
    (String) (Default) = %AllUsersProfile%Application Datafa590639-ff19-4159-8c50-b02becb19e9c_32.avi
    (String) ThreadingModel = Apartment
  • HKEY_LOCAL_MACHINEsoftwaremicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{fa590639-ff19-4151-8c50-b02becb19e9c}
    (DWORD) NoExplorer = 0×00000001 (1)
  • HKEY_LOCAL_MACHINEsoftwaremicrosoftWindowsCurrentVersionRun
    (String) fa590639-ff19-4159-8c50-b02becb19e9c_32 = “%WinDir%system32rundll32.exe” “%AllUsersProfile%Application Datafa590639-ff19-4159-8c50-b02becb19e9c_32.avi”, start
  • HKEY_CURRENT_USERsoftwareMicrosoftInternet ExplorerInternationalCpMRU
    (DWORD) Enable = 0×00000001 (1)
    (DWORD) Size = 0x0000000A (10)
    (DWORD) InitHits = 0×00000064 (100)
    (DWORD) Factor = 0×00000014 (20)
  • HKEY_CURRENT_USERsoftwareMicrosoftWindowsCurrentVersionRun
    (String) fa590639-ff19-4159-8c50-b02becb19e9c_32 = “%WinDir%system32rundll32.exe” “%AllUsersProfile%Application Datafa590639-ff19-4159-8c50-b02becb19e9c_32.avi”, start

Screenshots:

Adware.Win32.SecurityDefender_1-400x329.

Adware.Win32.SecurityDefender_2-400x329.

Adware.Win32.SecurityDefender_3-400x86.p

Adware.Win32.SecurityDefender_4-400x329.

Adware.Win32.SecurityDefender_5-400x268.

Adware.Win32.SecurityDefender_6-400x329.

Adware.Win32.SecurityDefender_7-400x372.

Adware.Win32.SecurityDefender_8-400x214.

How to remove the infection of Security Defender (Adware.Win32.SecurityDefender)?

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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