によって Krasnov Pavel 1年前.
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computer virus
Various types of computer viruses pose threats by targeting different aspects of computer systems. Macro viruses are crafted using the same macro language as commonly used software like Microsoft Excel and Word.
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computer virus Web Scripting Virus A web scripting virus breaches web browser security, allowing attackers to inject client-side scripting into the web page Overwrite Virus They simply delete the data (partially or completely) and replace the original code with their own. Direct Action Virus Direct Action Virus quickly gets into the main memory, infects all programs/files/folders defined in Autoexec.bat path, and then deletes itself. Boot Sector Virus These viruses inject their code into the hard disk’s partition table. It then gets into the main memory once the computer restarts. Directory Virus Directory Virus (also known as Cluster virus) infects the file by changing the DOS directory information. Polymorphic Virus Polymorphic viruses encode themselves using different encryption keys each time they infect a program or create a copy of themselves. Memory Resident Virus Memory resident virus lives in primary memory (RAM) and gets activated when you switch on the computer. Macro Virus These viruses are written in the same macro language used for popular software programs such as Microsoft Excel and Word.
