I am not sure about the recent malware infection but I believe you no need to worry about it since iOS itself has very strong security.
iOS has System Security, Data Security, App Security, Network and Internet Service Security and Apple Pay Security.
Also you can control your...
Are you able to boot in BIOS with HDD disconnected?
If the partition on the hard drive is corrupt or damaged, this would cause Windows to stop the format process or show an error message.
Check if HDD turns up with another SATA port on MOBO.
Check the HDD cables as well.