No, It Wasn’t A Virus; It Was Chrome That Stopped Macs From Booting
Arthur T Knackerbracket has found the following story:
On Monday night, Variety reported that film editors around Los Angeles who had Avid Media Composer software installed were suddenly finding that their Macs were unable to reboot. The publication speculated that malware may have been the cause. On Wednesday, Google disclosed the real cause-a Chrome browser update.
Specifically, it was a new version of Chrome's Keystone updater that caused so many Macs to stop rebooting, according to this Chrome open bug post. When the update was installed on Macs that had disabled a security feature known as system integrity protection and met several other conditions, a crucial part of the Mac system file was damaged, a Google employee said in the forum.
"This appears to be an issue with a new version of Google Keystone," a different Google employee wrote earlier in the thread. "We have halted the rollout and are working on remediation right now."
[...] Google has instructions for restoring unbootable Macs here. The process involves booting into recovery mode and then opening a terminal window, which among other ways can be accessed from the utilities folder. From there, run the following commands:
chroot /Volumes/Macintosh\ HD # "Macintosh HD" is the default
rm -rf /Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle
mv var var_back # var may not exist, but this is fine
ln -sh private/var var
chflags -h restricted /var
chflags -h hidden /var
xattr -sw com.apple.rootless "" /varThen reboot.
If everything goes right, the Mac will restart with the buggy Chrome update no longer installed and with the damaged file system repaired. It wasn't immediately clear when a fixed version of the Chrome update will be available.
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