LastPass Warns of Fake Repositories Infecting macOS with Atomic Infostealer
Sep 20, 2025
Software Security / Malware
LastPass is warning of an ongoing, widespread information stealer campaign targeting Apple macOS users through fake GitHub repositories that distribute malware-laced programs masquerading as legitimate tools. "In the case of LastPass, the fraudulent repositories redirected potential victims to a repository that downloads the Atomic infostealer malware," researchers Alex Cox, Mike Kosak, and Stephanie Schneider from the LastPass Threat Intelligence, Mitigation, and Escalation (TIME) team said . Beyond LastPass, some of the popular tools impersonated in the campaign include 1Password, Basecamp, Dropbox, Gemini, Hootsuite, Notion, Obsidian, Robinhood, Salesloft, SentinelOne, Shopify, Thunderbird, and TweetDeck, among others. All the GiHub repositories are designed to target macOS systems. The attacks involve the use of Search Engine Optimization (SEO) poisoning to push links to malicious GitHub sites on top of search results on Bing and Google, that then instruct users t...