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Microsoft Security Intelligence
Published Jan 29, 2008 | Updated Apr 16, 2011

BrowserModifier:Win32/OneStepSearch

Detected by Microsoft Defender Antivirus

Aliases: W32/AdInstaller.GX (Norman) Win32/Adware.OneStep (ESET) Adware-OneStep (McAfee)

Summary

BrowserModifier:Win32/OneStepSearch modifies the user's browser to deliver targeted advertisements when the user enters search keywords.
 
It may also replace or override web browser error pages that would otherwise be displayed when unresolvable web addresses are entered into the browser's address bar.
Use Microsoft Windows Defender, Microsoft Security Essentials, the Microsoft Safety Scanner, or another up-to-date scanning and removal tool to detect and remove this threat and other unwanted software from your computer. For more information on Microsoft security products, see http://www.microsoft.com/protect/products/computer/default.mspx.
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