MSRT July 2011: Targeting web redirector malware

The Malicious Software Removal Tool (MSRT) targets two prevalent families in this July 2011 release, Win32/Tracur and Win32/Dursg. Both families share common functionality that monitors user web search queries and redirects to a malicious URL to display advertisements or download more malware. It affects users of web browsers such as Internet Explorer, Firefox, Opera and…

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