This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is vdnt32.sys Windows startup process
File name: vdnt32.sys
Program name: MemDRV
Description:
Information added by: sivera at 28 January 2008
Hint: If vdnt32.sys file is a virus or trojan, we recommend to use a antivirus software or registry cleaner.
We are presenting list of Windows processes, startup files.
Name of vdnt32.sys is MemDRV. Some of them are viruses, so you should use a antivirus program.