Course

USRClass.dat Hive File

This course identifies and explains forensic artifacts found in the UsrClass.dat hive file.

    Syllabus

  • ShellBags Video — 00:16:58
    • This video explains the structure and information contained within ShellBags. Will show folders (directories) interacted with by a specific user even if folder is deleted or was accessed on removable media.

  • MuiCache and Managed By App Sub-keys Video — 00:15:49
    • This video explains the MuiCache subkey within UsrClass. This is an indication of program execution and interaction with the Windows shell by a specific user.

Syllabus

Course description

This course will look at the UsrClass.dat hive. The examiner will learn to explain Windows ShellBags, which track user-specific zip files and folder access and settings, including dates and times even on deleted folders and removable media. The examiner will also learn to interpret the sub-key MuiCache, to include installed applications. The Microsoft Photo App, showing recently accessed image files, will also be explored.

Meet the author

In addition to being an Infosec instructor, Denise Duffy teaches computer forensics worldwide to European law enforcement through the European Anti-Fraud Office. During her 25-year career at the Middletown Police Department, Denise underwent extensive training in specialized computer and mobile device forensics, including widespread access data courses, multiple IACIS trainings, U.S. Secret Service Training at the National Computer Forensics Institute, BlackBag Technologies Training, many National White Collar Crime (NW3C) courses, an X-Ways online course and considerable Internet Crimes Against Children Training (ICAC) courses.

Denise currently holds the following certifications: CFCE (Certified Forensic Computer Examiner), CCFE (Certified Computer Forensics Examiner), CMFE (Certified Mobile Forensics Examiner) and CEH (Certified Ethical Hacker). She is most proud of her two sons who joined the U.S. Military, as Denise is a Desert Shield/Desert Storm veteran herself.

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