MasterBar Spyware Profile

Masterbar is a variant of the Pugi spyware program.  It is related to the Searchit, SearchExplorer, Qidion, ISTbar, and XXXToolbar spyware programs.  It was first discovered on February 1 of 2004.  It is typically installed on your computer by an ActiveX drive-by download.

The first thing you’ll notice with a Masterbar infection is that it creates a new toolbar and deactivates any previously installed toolbars on your browser.  After that, it monitors your browsing history and resets your home page to www.masterbar.com.  It will then redirect your browser and deliver pop-up ads.

Masterbar can also download its own updates.  Since it is also a Trojan Downloader, it can potentially also download other adware or spyware, maybe even viruses and worms.

None of the link buttons on Masterbar lead to a useful site for the user.  The sites it links to may be fraudulent.  Masterbar installs itself secretly on your computer, uses up your resources and may compromise your privacy.  You should remove it immediately with ZookaWare PC Cleaner.

Also Known As:
Pugi/Masterbar, Pugi.Masterbar, Toolbar

Associated Files:
stcloader.exe, masterbar.dll, qi32.dll
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRunstcloader
HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMainSearchURL=[site address]
HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMainSearch Bar=[site address]
HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMainSearch Page=[site address]
HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMainDefault_Search_URL=[site address]
HKEY_LOCAL_MACHINESoftwareMicrosoftInternet ExplorerMainSearch Page=[site address]
HKEY_LOCAL_MACHINESoftwareMicrosoftInternet ExplorerMainDefault_Search_URL=[site address]
HKEY_LOCAL_MACHINESoftwareMicrosoftInternet ExplorerSearchCustomizeSearch=[site address]
HKEY_LOCAL_MACHINESoftwareMicrosoftInternet ExplorerSearchSearchAssistant=[site address]

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