judgecorp writes "A sinkhole has taken a quarter of the bots out of the ZeroAcess botnet which was making money for its operators through click fraud and Bitcoin mining. This particular Bitcoin mining operation was only profitable through the use of stolen electricity — according to Symantec, which operated the sinkhole, ZeroAccess was using $561,000 of electricity a day on infected PCs, to generate about $2000 worth of Bitcoin."
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