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<p>Malware has become a big issue for digital infrastructure with the growing complexity and frequency of intrusions; it usually avoids conventional detection systems via obfuscation and dynamic behaviour patterns. Existing methods, particularly those relying on signature-based techniques, struggle to detect emerging threats, leading to significant vulnerabilities in enterprise and institutional environments. This study aims to develop an adaptive and efficient malware detection framework that addresses these limitations while supporting real-time analysis. To this end, we introduce SimCLR-GRU, a novel ensemble architecture that integrates SimCLR-based contrastive learning for feature extraction and a GRU module to capture sequential behavioural patterns. The framework also incorporates graph neural network (GNN)-based feature selection to reduce redundancy and optimise Fish School Search (FSS) to fine-tune key hyperparameters for improved learning performance. Experiments using a comprehensive Portable Executable (PE) malware dataset show that SimCLR-GRU achieves a classification accuracy of 99%, exceeding many baseline models with a 15% increase. An AUC of 98.2%, an F1-score of 96.8%, and a false positive rate of only 0.02% underline the model’s generalizability, accuracy, and resilience. Moreover, the low inference latency of the model qualifies for implementation in real-time and resource-limited surroundings. SimCLR-GRU provides a scalable and decisive answer to modern cyberspace’s changing malware detection problem.</p>

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Adaptive malware identification via integrated SimCLR and GRU networks

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月13日

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  • Faisal S. Alsubaei,
  • Abdulwahab Ali Almazroi,
  • Walid Said Atwa,
  • Abdulaleem Ali Almazroi,
  • Nasir Ayub,
  • N. Z. Jhanjhi

摘要

Malware has become a big issue for digital infrastructure with the growing complexity and frequency of intrusions; it usually avoids conventional detection systems via obfuscation and dynamic behaviour patterns. Existing methods, particularly those relying on signature-based techniques, struggle to detect emerging threats, leading to significant vulnerabilities in enterprise and institutional environments. This study aims to develop an adaptive and efficient malware detection framework that addresses these limitations while supporting real-time analysis. To this end, we introduce SimCLR-GRU, a novel ensemble architecture that integrates SimCLR-based contrastive learning for feature extraction and a GRU module to capture sequential behavioural patterns. The framework also incorporates graph neural network (GNN)-based feature selection to reduce redundancy and optimise Fish School Search (FSS) to fine-tune key hyperparameters for improved learning performance. Experiments using a comprehensive Portable Executable (PE) malware dataset show that SimCLR-GRU achieves a classification accuracy of 99%, exceeding many baseline models with a 15% increase. An AUC of 98.2%, an F1-score of 96.8%, and a false positive rate of only 0.02% underline the model’s generalizability, accuracy, and resilience. Moreover, the low inference latency of the model qualifies for implementation in real-time and resource-limited surroundings. SimCLR-GRU provides a scalable and decisive answer to modern cyberspace’s changing malware detection problem.