A new version of the BiBi Wiper malware is now deleting the disk partition table to make data restoration harder, extending the downtime for targeted victims.

Fix Windows cannot be installed to this disk. Setup does not support configuration of or installation to disks connected through a USB or IEEE 1394 port error.

"Windows cannot be installed to this disk. The selected disk has an MBR partition table. On EFI systems, Windows can only be installed to GPT disks" ...

There is no sda3 in step 4. The OS X partition is moved to sda2 Attempting to sync the partitions in step 5 doesn't work, it says the MBR partition table is invalid and overlaps.