It was reported last Tuesday that the website of one of Netherlands largest supermarket chain loaded an in-browser cryptocurrency miner on its visitor’s computer using a cookie consent popup script.

Dutch security researcher Willem de Groot found that the website of Albert Heijn had an infected file named “cookiescript.min.js” that came from, a website that provides the cookie consent service. He discovered that the block of code generated by the service contained a Monero miner called Crypto-Loot.

Although the admins of have already removed the hidden miner, De Groot says that there are around 243 websites still deploying the malicious script.

Source: Bleeping Computer

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