According to a lawsuit filed this week, Yahoo is charging advertisers for "premium" ads that are displayed on typosquatter sites.

The complaint alleges that by placing ads into illegal platforms such as spyware programs, [Yahoo] wrongfully collected high search engine advertising fees for ads that are actually shown in contexts that are worth far less, if anything. It is well known that spyware advertising is much cheaper than search engine advertising.

Typosquatters runs web sites with domain name which are very similar to more famous genuine sites hoping that someone would make a mistake of mis-spelling the domain name and visit their web site. Such sites does not contain any content and mostly works as parked sites hosting ads only.

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