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Steam Pulls Malicious ‘BlockBlasters’ After Crypto-Draining Scam Hits Hundreds

A late-August update injected a cryptodrainer that targeted streamers via paid-promo lures, with researchers estimating about $150,000 stolen.

Overview

  • Latvian streamer Raivo “RastalandTV” Plavnieks lost roughly $31,000–$32,000 during a cancer-treatment fundraiser after launching the title live on stream.
  • Crypto influencer Alex Becker later sent about $32,500 to replace the stolen funds, according to public posts confirming the transfer.
  • Security analyses detail a batch dropper that gathered Steam logins and IP data before loading a Python backdoor and StealC to harvest browser and wallet artifacts.
  • Investigators say attackers spearphished streamers and crypto holders on X by offering payment to test or promote the game.
  • Valve removed the game on September 21; researchers accessed a Telegram channel using credentials found in the malware, and victims are urged to reset credentials and move crypto to new wallets.