"After successfully alerting a million users last
summer to a different type of malware, we've replicated this method and
have started showing warnings via a special message that will appear at
the top of the Google search results page for users with affected
devices," said Google security engineer Damian Menscher in a blog post. The previous effort targeted a fake antivirus software campaign.
"Our goal with this notification is to raise
awareness of DNSChanger among affected users," Menscher said.
Furthermore, since about half of infected PCs appear to be located in
non-English-speaking countries, "we believe directly messaging affected
users on a trusted site and in their preferred language will produce the
best possible results."