This is Business::OnlinePayment::VirtualNet, an Business::OnlinePayment
backend module for Vital VirtualNet.  It is only useful if you have a merchant
account with Vital VirtualNet:
http://www.vitalps.com/sections/merch/mer_ps_VNET_info.html

WWW: http://search.cpan.org/dist/Business-OnlinePayment-VirtualNet/