Computer Forensics is a process of using scientific knowledge to collect, analyze and present digital evidence to court or tribunals. Data in computers is stored in files. That is the reason why a data analyzing method is needed to search through these files. Signature analysis is a type of search used to check the files on the computers. Signature analysis in computer forensics is absed on forensic applications such as EnCase whichenables the user to examine a disk image and carry out several different procedures