Microsoft Discovers New Lightweight Backdoor that Steals Cryptocurrency
Microsoft says the worm copies itself through infected USB drives and steals seed phrases, private keys and wallet addresses before sending them through Tor.
- On Thursday, Microsoft detailed a new self-propagating Crypto Clipper worm that spreads via USB drives to steal cryptocurrency credentials by monitoring device clipboards and routing traffic through Tor.
- Infection begins when users open malicious LNK files on USB drives. Microsoft noted, "The execution of this clipper is notable because it does not depend on a traditional installer or exposed IP-based C2 infrastructure."
- Every half a second, the malware checks the clipboard for 12 or 24-word BIP39 seed phrases and targets Bitcoin, Ethereum, Tron, and Monero wallet addresses to redirect funds.
- The malware captures five screenshots of the victim's screen every ten seconds, exfiltrating data through a SOCKS5 proxy while connections to "Localhost:9050" signal the campaign.
- Security teams log 54% of successful attacks but alert on only 14%, making behavioral monitoring of EDR and SIEM rules critical to detecting this threat through unusual PowerShell activity.
12 Articles
12 Articles
Microsoft discovers new lightweight backdoor that steals cryptocurrency
Microsoft says it has detected new self-propagating malware that spreads through USB drives in search of cryptocurrency credentials, which it then sends to attacker-controlled servers. The company named the worm Crypto Clipper because it monitors the contents of device clipboards for patterns consistent with wallet addresses or seed phrases. When found, the malware also takes five screenshots over a 10-second period. Both the credentials and the…
Microsoft flags 'CryptoBandits' malware draining wallets
Microsoft has flagged a malicious program that has been operating quietly since February and targets Windows machines. The malicious program, dubbed CryptoBandits, can steal seed phrases, keys, and wallets through the Tor network and is transferable via USB drives. In a blog post published on June 17th, Microsoft Threat Intelligence and Microsoft Defender experts exposed a malicious campaign that has been draining crypto wallets without victims…
From Wallet Hijacking To Remote Control: Microsoft Exposes A New Wave Of Crypto Malware Targeting Windows Users
Technology company Microsoft has reported the discovery of a Windows-based cryptocurrency clipper malware campaign that has been targeting users since February 2026. The threat, identified by Microsoft Threat Intelligence and Microsoft Defender Experts, combines clipboard theft, cryptocurrency wallet targeting, and remote access capabilities to steal digital assets and maintain control over compromised systems. The malware is designed to interce…

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