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Defacto is a software inventorization tool developed by National Hi-Tech Crime Unit 1 (Russia).


Defacto builds a list of installed software programs by searching for specific files and scanning Windows Registry.

Defacto reports following information about installed software programs:

  • Author (vendor);
  • Product name;
  • License type (freeware, shareware, etc);
  • Price;
  • Additional information (install date, install path, version/build, serial number, product key, etc);
  • Registered owner.

Illegal Software

Defacto maintains a database of blacklisted serial numbers. It can also detect cracked software.