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General Security Discussions
Are antiviruses unimportant?
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<blockquote data-quote="Game Of Thrones" data-source="post: 1100082" data-attributes="member: 23430"><p>well, sometimes simple means no evil intention. the thing is sometimes this kind of encryptor can pass the antimalware, the sample you used does have similar behavior to encryptor apps, and distinguishing between them and ransomware is sometimes hard(if the vendor decides to not use the protected folder tactic and goes for full automated defense without user intervention), as you see with the detections, they detect it with heuristics which means it is showing some codes like a ransom in its genes and if you change its code enough even the current ones who got it with real-time detection can be bypassed.</p><p>but your sample simply encrypts files with no intention, distinguishing between an encryptor and ransomware is sometimes hard and this is why some vendors go for protected folders as a second line of defense, so if you used an encryptor you can simply accept the app's message and it will not intervene.</p></blockquote><p></p>
[QUOTE="Game Of Thrones, post: 1100082, member: 23430"] well, sometimes simple means no evil intention. the thing is sometimes this kind of encryptor can pass the antimalware, the sample you used does have similar behavior to encryptor apps, and distinguishing between them and ransomware is sometimes hard(if the vendor decides to not use the protected folder tactic and goes for full automated defense without user intervention), as you see with the detections, they detect it with heuristics which means it is showing some codes like a ransom in its genes and if you change its code enough even the current ones who got it with real-time detection can be bypassed. but your sample simply encrypts files with no intention, distinguishing between an encryptor and ransomware is sometimes hard and this is why some vendors go for protected folders as a second line of defense, so if you used an encryptor you can simply accept the app's message and it will not intervene. [/QUOTE]
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