Usb write blocker is a small tool I created yesterday, it sets the registry keys to block write requests to USB devices. Comes usefull in several cases, in my case an unamed AV Software insisted on deleting my fuzz samples. Requires .NET 2.0 Framework.

Download USB Write Blocker













The respective registry key and value is :
Rootkey : HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control
Subkey : StorageDevicePolicies
Key : Writeprotect (Boolean)


1 comments

Larry Seltzer said... @ 25 March, 2009 14:14

Cool, would be better if it prompted for permission and detailed what was being written, or in particular noted if autorun stuff was being written. People do want to write to USB drives at times.

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