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  3. Virus and threat descriptions
  4. Joker-01

Joker-01

ORIGIN:Poland
SIZE:29233
TYPE:Resident COM/EXE-files

Summary

This is a large Polish virus. It infects files in the same way as Vacsina - COM files are infected normally, but EXE files are converted to files with COM structure, by adding a small, 139 byte loader program to them.