VMNC

• FourCC: VMnc
• Company: VMWare
• Samples: http://www.mplayerhq.hu/MPlayer/samples/V-codecs/VMnc/

VMnc is a video codec used to capture screen data from screens presented inside VMWare's virtual machine software. It is probably a lossless codec.

Cursory investigation details in this blog post: http://codecs.multimedia.cx/?p=9