Proofpoint has discovered a concerning trend on YouTube, where multiple channels are distributing malware disguised as cracked and pirated video games and related content. This activity includes links in video descriptions leading to information stealers, potentially compromising personal data like credit cards and PII stored on home computers. The malware distributed includes Vidar, StealC, and Lumma Stealer, disguised as free software and game upgrades. The distribution method is concerning as it targets younger users with popular games, exploiting their lack of awareness about online risks. Proofpoint reported over two dozen accounts distributing malware on YouTube, which were subsequently removed. One example is an account with a large subscriber base and a verified status, indicating a compromised or sold account. It posted English videos related to popular games with malicious links, some garnering artificial views. The malware payloads, such as Vidar and Lumma Stealer, use social media like Telegram and Steam for command and control (C2) instructions, often with alphanumeric usernames and IP addresses. Additionally, threat actors use Discord servers to distribute different malware for various games, directing users from YouTube video descriptions. This sophisticated approach highlights the evolving tactics of cybercriminals to target unsuspecting home users through popular platforms.
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