The structure of the filename ( 8-digit name + . + 3-digit extension ) is highly characteristic of the file system (ERC or FAT12 variants used on Memory Cards).
Modern forensic examiners point to a different origin: . PunkBuster (used in NFS: MW Online) would occasionally write locked memory pages to disk as [PID].[BYTES] . If a process ID was 0 (kernel space), the resulting file would be 00000000.256 . 00000000.256 nfs mw
