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Video Reviews - Security and Privacy
My own "ransomware" vs Windows Defender
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<blockquote data-quote="struppigel" data-source="post: 876436" data-attributes="member: 86910"><p>There has been ransomware using zip archives and LOLbins before. E.g. <a href="https://www.proofpoint.com/us/threat-insight/post/New-Bart-Ransomware-from-Threat-Actors-Spreading-Dridex-and-Locky" target="_blank">Bart ransomware</a> (creates zip archives), <a href="https://blog.trendmicro.com/trendlabs-security-intelligence/crypvault-new-crypto-ransomware-encrypts-and-quarantines-files/" target="_blank">CrypVault</a> (uses GnuPG.exe). Those are not more or less difficult in regards of detection. It being newly written from scratch plays probably the biggest role in bypassing AV. There is still code that calls the LOLbins. There is still behaviour that can be detected as suspicious. Using clean software doesn't suddenly taint everything else as clean too.</p></blockquote><p></p>
[QUOTE="struppigel, post: 876436, member: 86910"] There has been ransomware using zip archives and LOLbins before. E.g. [URL='https://www.proofpoint.com/us/threat-insight/post/New-Bart-Ransomware-from-Threat-Actors-Spreading-Dridex-and-Locky']Bart ransomware[/URL] (creates zip archives), [URL='https://blog.trendmicro.com/trendlabs-security-intelligence/crypvault-new-crypto-ransomware-encrypts-and-quarantines-files/']CrypVault[/URL] (uses GnuPG.exe). Those are not more or less difficult in regards of detection. It being newly written from scratch plays probably the biggest role in bypassing AV. There is still code that calls the LOLbins. There is still behaviour that can be detected as suspicious. Using clean software doesn't suddenly taint everything else as clean too. [/QUOTE]
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