Protect Pen Drive / USB Drive from Virus when attached to infected Computer
ThumbScrew
Thumbscrew is a freeware application that lets you write protect your USB drive so that virus, Malware, Trojan or any kind of infection from host computer would not be able to write anything on your USB.
Now right click the system try icon and choose Make USB read only. This would make the USB drive write protected which makes it completely protected from infections to to spread onto your drive.
Simply click on the icon and choose the menu item to toggle write access. All Thumbscrew really does is flip a bit in the registry at:
1. I can't guarantee it's 100% forensically sound. Buy a proven USB hardware write blocker if you want to be sure.
2. USB mass storage devices that are already mounted as writeable will stay writeable until they are removed and reinserted. The same applies if you turn off read only protection while a USB mass storage device is active, it will become writable and stay that way until removed and reinserted.
Hope someone finds this program useful
Download Thumbscrew
Courtesy : http://www.irongeek.com/i.php?page=security/thumbscrew-software-usb-write-blocker
Thumbscrew is a freeware application that lets you write protect your USB drive so that virus, Malware, Trojan or any kind of infection from host computer would not be able to write anything on your USB.
Now right click the system try icon and choose Make USB read only. This would make the USB drive write protected which makes it completely protected from infections to to spread onto your drive.
Thumbscrew: Software USB Write Blocker
Thumbscrew is my attempt at a poor man's USB write blocker. When used it allows you to quickly enable or disable writing to all USB mass storage devices on your Windows system. In other words, you can use it to make a USB flash drive, hard drive or IDE / SATA drive in an enclosure read only. However, I make no guarantees as to its forensic validity. Still, if your poor and you want to play around with making forensic images of thumb drives and other USB mass storage devices it may come in handy. You will see one of two icons in your system tray to indicate whether or not USB mass storage devices are set to be read only: USB Write Enabled |
 USB Write Disabled |
Thumbscrew has a few limitations:HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\StorageDevicePolicies\WriteProtect
1. I can't guarantee it's 100% forensically sound. Buy a proven USB hardware write blocker if you want to be sure.
2. USB mass storage devices that are already mounted as writeable will stay writeable until they are removed and reinserted. The same applies if you turn off read only protection while a USB mass storage device is active, it will become writable and stay that way until removed and reinserted.
Hope someone finds this program useful
Download Thumbscrew
Courtesy : http://www.irongeek.com/i.php?page=security/thumbscrew-software-usb-write-blocker
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