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Video Reviews - Security and Privacy
Comodo Firewall 10 Setup
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<blockquote data-quote="Winter Soldier" data-source="post: 632197" data-attributes="member: 59377"><p>Yes, out of the use of the same exploit as the initial infection vector, UIWIX presents significant differences compared to WannaCry. First of all, this malware has the ability to spread automatically in the network from an infected machine. UIWIX uses EternalBlue to inject the malware directly into the victim computer by doing the scans of his network, starting from the server under criminal's control. Also, apparently this malware does not store any files on the machine but is directly executed in the memory as a fileless and it seems to be sandbox aware.</p><p></p><p>It seems there are not enough info about fileless behavior of this ransomware, but I think it is memory resident, at least in a certain phase, by using the memory space of legitimate Windows files, it loads its code into memory until when this file is processed. Even if the execution runs within memory space of the legitimate file, it still exists a dormant physical file that starts the execution.</p><p></p><p>Accordingly, this type of malware is not to be considered completely fileless, according to me.</p></blockquote><p></p>
[QUOTE="Winter Soldier, post: 632197, member: 59377"] Yes, out of the use of the same exploit as the initial infection vector, UIWIX presents significant differences compared to WannaCry. First of all, this malware has the ability to spread automatically in the network from an infected machine. UIWIX uses EternalBlue to inject the malware directly into the victim computer by doing the scans of his network, starting from the server under criminal's control. Also, apparently this malware does not store any files on the machine but is directly executed in the memory as a fileless and it seems to be sandbox aware. It seems there are not enough info about fileless behavior of this ransomware, but I think it is memory resident, at least in a certain phase, by using the memory space of legitimate Windows files, it loads its code into memory until when this file is processed. Even if the execution runs within memory space of the legitimate file, it still exists a dormant physical file that starts the execution. Accordingly, this type of malware is not to be considered completely fileless, according to me. [/QUOTE]
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