How to migrate data from VirtueMart to Prestashop by LitExtension: http://litextension.com/prestashop-migration-tool/virtuemart-to-prestashop.html

If you are looking for quick, simple way to move data from VirtueMart to WooCommerce, LitExtension Migration Tool is the best solusion. Migrate to Prestashop allows you to migrate products, categories, customers, password, orders, URL SEO ranking, custom field, taxes, reviews and other data from VirtueMart to Prestashop.