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July 20, 2011

Google's Yellow Malware Warning Box

Google started to show a yellow warning box at the top of the search results pages if the computer is likely to be infected with malware that changes Web pages, inserts ads and sends users to other pages to download more malware.

"Recently, we found some unusual search traffic while performing routine maintenance on one of our data centers. After collaborating with security engineers at several companies that were sending this modified traffic, we determined that the computers exhibiting this behavior were infected with a particular strain of malicious software (...) that causes infected computers to send traffic to Google through a small number of intermediary servers called proxies," explains Google.

Showing a warning message is not a foolproof idea, since malicious software could easily remove it or use it to install more malware. Google links to a page titled "Your computer appears to be infected", which suggests to install an antivirus software and perform a system scan. The page doesn't suggest to install a different operating system or to buy a Chromebook.

"Some forms of malicious software will alter your computer settings to redirect some or all of your traffic through a proxy controlled by the attacker. When you use Google, the proxy forwards your query to the real Google servers to fetch the search results. If our system detects that a search came through one of these proxies, we display the warning," informs Google.

{ Thanks, Herin. }

This blog is not affiliated with Google.