EternityTeam has emerged as a prominent malware seller on Russian-speaking underground forums and Telegram, marketing a modular malware-as-a-service toolkit that includes an infostealer, worm, miner, clipper, botnet/dropper, and ransomware. Researchers said the group has been active since at least 2022 and has paired aggressive advertising with customer support, release notes, and builder-style customization that lets buyers assemble malware binaries from separately sold components, lowering the barrier to entry for less-skilled attackers.
The group's flagship offering, Eternity Stealer, is a .NET infostealer sold on subscription that targets browser data, cryptocurrency wallet information, application credentials, and Growtopia accounts. Observed samples masqueraded as Growtopia-related tools, exfiltrating stolen data over HTTPS to EternityTeam-controlled servers before forwarding it to operators through a Telegram bot. Researchers also reported samples in the wild and noted that parts of the stealer may reuse code from earlier public or criminal projects, but assessed the broader Eternity ecosystem as a credible and scalable threat because of its active distribution, modular design, and ransomware-capable tooling.

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Sekoia identified EternityTeam as a new, active, and organized threat group during dark web monitoring in February 2022.
In early February 2022, administrators of several cybercrime forums reportedly verified and approved the Eternity threat group's project, helping legitimize its offerings in underground communities.
Sekoia reported that EternityTeam had been developing and selling multiple malware families since at least January 2022, including stealer, miner, clipper, worm, botnet, and ransomware offerings.
Cyble assessed that the Eternity stealer module showed similarities to Jester Stealer and was likely derived from the DynamicStealer GitHub project, suggesting copied and rebranded code.
Sekoia observed Eternity Stealer samples masquerading as Growtopia-related executables, including "Growtopia Growtoken Glitch 3.82+.exe" and "Growtopia_Hack_3.82.exe."
Cyble researchers discovered the Eternity Project and reported seeing malware samples circulating and being used in the wild, indicating the service was an operational threat rather than a scam.
Threat actors launched the Eternity Project as a modular malware-as-a-service offering sold through Telegram, allowing buyers to assemble customized malware from separately priced modules.
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