The additional code drives CPU usage through the roof, making users computers sluggish and hard to use.SafeBrowse uses same technology tested by The Pirate Bay
The intrusive and highly damaging behavior was noticed almost immediately, as the extension's Web Store page has filled up in the past few hours with negative reviews decrying the surge in CPU resource usage.
The above code starts a process that runs at all times in the browser's background and mines for Moner using the user's resources, but for the profits of the SafeBrowse authors.
Affected users include anyone who installed the SafeBrowse extension. The version featuring the Coinhive miner is 3.2.25. Chrome extensions use an auto-update system, so most SafeBrowse users will be updated to this version in the coming hours and days.
Bleeping Computer tested the extension, and the Monero mining operation is clearly visib...