UMDRip rips UMD’s.

UMDrip V5
All ripping operations are verified.
Each sector of the UMD is read twice, and compared to the file writing buffer,
since it is assumed that it is the PSP UMD drives that will fail over time.
On screen message is displayed if the verify fails, but operation continues.
The verified ripping operation takes no more time than previous versions.

http://forums.qj.net/showthread.php?t=140375