Claude Code AI finds a cryptominer on a Mac; says it didn’t put it there

A Redditor using Anthropic's Claude Code to build a Mac temperature monitor app found the machine running far hotter than expected, and Claude reported a cryptominer consuming more than 1,000% of CPU cycles, then added an unprompted comment denying it had installed the miner. Some Redditors responded with suspicion to Claude's spontaneous denial of responsibility for the rogue app.

A Redditor used Claude https://9to5mac.com/guides/claude/ Code AI to build a M https://9to5mac.com/guides/mac/ a https://9to5mac.com/guides/mac/ c https://9to5mac.com/guides/mac/ temperature monitor app and found that the machine was running much hotter than expected. Claude reported that it found a crypto miner using more than 1,000% of the CPU cycles – then added an unprompted comment denying having installed it. Some Redditors were understandably suspicious of Claude’s spontaneous comment that it wasn’t responsible for installing the rogue app …