I wonder why VM still has no option to upload more than 1 product image - multi upload of images should be default meanwhile...
All available plugins for multi upload are now deprecated (like to much other extensions - free or chargeable).
Currently, there are no such plugins available for Joomla that provide the capability to upload multiple images simultaneously for VirtueMart
Yes there is, I use it myself:
https://shop.st42.fr/en/products/multi-upload-images.htm (https://shop.st42.fr/en/products/multi-upload-images.htm)
best regards
Jörgen @ Kreativ Fotografi