Extract files from VMDK
Solution 1:
7ZIP is able to open and extract VMDK files. You may try out its command-line version.
Solution 2:
Mount the VMDK using VMware's Disk Mount utility, then copy the file you want, then unmount it.
See this page: http://www.vladan.fr/mounting-your-vmdk-disks-directly-to-your-windows-box-how-to/