California-based search engine giant Google has been working on a cleanup since last week, removing various applications from its network involved in a fraud attempt.
A botnet called "TechSnab" was used as a scam tactic to generate web traffic by creating hidden browser windows in web pages to increase advertising revenue. This botnet generated traffic to a number of sites created specifically for this process and monetized with Google and numerous third-party ad exchanges. The malware used general protection mechanisms for masking, data dimming and IP scanning.
Google has identified, analyzed and blocked the invalid traffic associated with this promotion by deleting and blacklisting such sites and applications. In addition, additional apps and sites outside their ad network have been blacklisted so that advertisers can use Display. The 360 video no longer emits traffic.
"As our analysis of the transaction progresses, we estimate that the monetary value of Google's spending on advertisers involved in the apps and websites will increase to less than ten percent." Millions of dollars ". Google said about a blog.
Based on the analysis of historical Ads.txt analytics data conducted by Google, the inventory of these sites has been widely used throughout the ecosystem of advertising. It was possible that 150 exchanges, seller platforms or networks sold this inventory.
The botnet operators had hundreds of accounts on 88 different exchanges (based on the "DIRECT" accounts in their ads.txt files).
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