Cryptojackers use YouTube Ads to Mine Digital Currencies
Cryptojackers recently hijacked YouTube advertisements and harnessed the computer processing power of YouTube viewers to mine digital currencies.
According to the Telegraph UK, a Google spokesperson stated that “mining cryptocurrency through ads is a relatively new form of abuse that violates our policies and one that we’ve been monitoring actively.” The issue was reported by online technology publication Ars Technica after people took to social media to report that their antivirus programs detected digital currency malware on YouTube.
Unfortunately, YouTube’s malware was not an isolated incident. AdGuard’s research demonstrated that, in the top 3 million websites, 2,500 are running a cryptojacking software consuming visitors’ processing power without their knowledge or consent.
Cryptojackers on the rise
Cryptojacking has become increasingly popular over the years.
“YouTube was likely targeted because users are typically on the site for an extended period,” said independent security researcher Troy Mursch. “[YouTube] is a prime target for cryptojacking because the longer the users are mining for cryptocurrency, the more money is made.”
The next stage of cryptojacking
Although cryptojacking does not cause significant short-term problems, elevated processing demands can cause real damage over time. One Android malware called Loapi mines digital currencies so intensely that it causes harm to the computer it runs on.
Unfortunately, most victims are not aware of cryptojacking. The process is often done secretly without users knowing or given the opportunity to opt out.
Since cryptojacking is relatively new, hackers can quickly iterate and innovate. Even though cryptojacking doesn’t require a download, hackers have devised an approach where cryptojacking can continue after users close the mining tab.
With firms like YouTube and Google vulnerable to cryptojackers piggybacking their software, it has become a real problem. Lotem Finkelstein, a threat intelligence team leader at Check Point, who spoke to the MIT technology review, agrees and believes that “[cryptojacking] may be…a more serious issue than Ransomware.”
This article has been updated to indicate that “cryptojacking” and “cryptojackers” are single words.
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