Due to the relationship between South Korea and North Korea, most malware attacks for HWP files are created by North Korea. HWP is one of the most widely used pieces of software in South Korea and is mainly used in schools, companies, military agencies, and governmental institutions. Hangul Word Processor (HWP) is text editing software provided by Hancom Inc., South Korea. Although many options have been proposed for the detection of the malware within non-executables, it is still necessary to develop more advanced detection models because new malware for non-executables keeps appearing.
Ordinary users are more vulnerable to non-executables because they simply open infected documents without much worry. Malware can be divided into two categories: malware of executables (e.g., EXE files) and malware of non-executables (e.g., Portable Document Format (PDF) files). It may slow down or shut down machines, and often steals or encrypts important files for ransom. Malware describes malicious software designed for attacking machines in various ways.
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