As blockchain adoption continues to grow, so does its misuse.
At a fundamental level, the technology is widely used to improve liquidity and efficiency across industries. However, threat actors are now leveraging it to make their infrastructure more resilient and harder to disrupt.
DeadLock ransomware is a clear example of this shift. According to Group-IB research, DeadLock uses Polygon [POL] smart contracts to rotate server addresses, allowing it to evade traditional detection methods.
Naturally, this puts the broader decentralization narrative under scrutiny.
In this case, Polygon smart contracts are the ones under pressure. Why does this matter? Blockchain technology was originally designed to prevent the kind of abuse historically seen in traditional, centralized systems.
However, the use of Polygon smart contracts to support ransomware operations shows that decentralized infrastructure can also be exploited by threat actors, raising the question: What does this mean for the network?
Looking closely, DeadLock isn’t just another ransomware.
In a centralized system, stopping an attack can be as easy as flipping a switch. However, with decentralized setups like Polygon smart contracts, teams can’t just “turn it off” as the control is baked into the core of the network.
Notably, that’s exactly what this technique is taking advantage of. And now, imagine this as part of an “emerging trend” where more attacks are likely to leverage smart contracts across other blockchain platforms.
That brings us to what Group-IB analysts are warning about.
As shown in the chart above, Google recently reported that the North Korean (DPRK) threat actor UNC5342 used a technique called “EtherHiding.” This leverages blockchains to store and retrieve payloads.
Meanwhile, another campaign used Ethereum [ETH] smart contracts which were then used to download second-stage malware. In short, the DeadLock trick with Polygon smart contracts isn’t the end of this trend.
Instead, it could be just the start of deeper smart contract abuse.
