Last updated
14/05/2005
Copyright © 1999 - 2004, Sandra Hardmeier, All
Rights Reserved Worldwide
Install the latest
IE cumulative patch for protection against QHosts:
http://www.microsoft.com/security/security_bulletins/ms03-040.asp
Note: If you are already infected, installing the patch will NOT fix your problem. You have to get rid of the infection as well (see links below).
Information about the trojan can be found here:
http://www3.ca.com/virusinfo/virus.aspx?ID=37191
http://vil.nai.com/vil/content/v_100719.htm (pay close attention to the advice about HOSTS hijacking in the registry)
http://securityresponse.symantec.com/avcenter/venc/data/trojan.qhosts.html (removal tool available)
http://software.brown.edu/dist/w-cleanqhosts.html (removal tool)