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Posts Tagged ‘winrar’

A threat actor with possible connections to Russia’s financially motivated Evilnum group is targeting users in online cryptocurrency trading forums via a now-patched bug in the popular WinRAR file compression and archiving utility. The bug, tracked as CVE-2023-38831, allowed the attackers to hide malicious code in zip archives masquerading as “.jpg,” “.txt,” and other file […]

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Typically users archive file to lump several files together into a single file for convenience or to simply save storage space. However, we uncovered a worm that creates copies of itself even on password-protected archived files. We acquired a sample of a worm (detected as WORM_PIZZER.A) that propagates using a particular WINRAR command line (see […]

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Last week, we noticed thousands of malware files in the wild that employ a simple phishing attack by modifying the hosts file on Windows systems. What’s interesting, however, is the technique chosen by the malware authors to distribute their payload. The samples in question (Example MD5: 34d9b42bfd64c6f752fe27eef8d80c5f) are packaged in a ZIP file along with […]

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