Servus,
kenn ich ned, aber google kennts ...
http://www.hijackthis-forum.de/archiv/38146-virus-ahtn-im-desktop-benoetige-schnelle-hilfe.html
aus
http://www.experts-exchange.com/Security/Operating_Systems_Security/Windows/Q_24129478.html
-> "Malwarebytes resolved the problem - thanks rpggamergirl for your suggestion though."
http://www.google.de/search?q=ahtn+desktop&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:de:official&client=firefox-a
Viel Erfolg