Compression program or compression algorithm of a program. Originally intended to optimize the size of a program on the hard drive. Malware often uses upstream packers to prevent recognition by anti- virus software and to make analysis of the malware (reverse engineering) more difficult.
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Compression program or compression algorithm of a program. Originally intended to optimize the size of a program on the hard drive. Malware often uses upstream packers to prevent recognition by anti- virus software and to make analysis of the malware (reverse engineering) more difficult.
Cite this term
Election Security Glossary. (2026). Packer. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/packer
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