TeraByte Unlimited

In an attempt to securely wipe an old HDD I blindly accepted a program my wife DL, what a shock there was no menu and I have left it in my ssd C drive Downloads folder. As soon as it started I realized that I was in trouble, it was wiping my os ssd not the old HHD, so I pulled the power plug. booting up continues the wipe so pulled plug again. Booting to BIBM, Partition Work doesn't see anything on the 1T ssd which had 4 diff os and a drive of portable apps.
Can I somehow salvage anything from the ssd ?

You can try undelete in Partition Work - the partitions further up on the drive may be okay, the first one is gone, maybe a data recovery software could find parts of files to recover.