Microsoft Malware Protection Center

Threat Research & Response Blog

August, 2008

  • Horst: (Something Old, Something New)

    The latest version of the MSRT was released on the 8th of July. The newest family selected for inclusion was " Horst ". The Horst family is made up of a number of different components. Each of which, can perform different tasks. Tasks include downloading, malware distribution and email account registration by CAPTCHA bypass. Horst family variants have existed for a number of years, some of which appeared as early as 2004. Over the years, both the components and the techniques employed by the...