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Video Reviews - Security and Privacy
Bitdefender Antivirus Plus vs CXK-NMSL ransomware
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<blockquote data-quote="cruelsister" data-source="post: 875257" data-attributes="member: 7463"><p>Vitali- CF will block malware such as this without issue. Comodo has a setting (in Advanced Protection) for Script Analysis to be performed. This is enabled by default and will automatically shunt Scriptors of any sort into Containment. So while many must burden themselves with shutting off things like wscript, powershell, python, vbs, etc, CF already has protection against the malicious actions of these Scriptors.</p><p></p><p>Speaking specifically about CXK-NSML malware, understand that this thingy utilizes only valid Windows commands to do the damage and most Anti-Malware applications will be oblivious to any malicious actions by this script. CF, however, will laugh at it.</p><p></p><p>As an example of how various AV products handle batch scripts like CXK-NSML, you can test this easily (and safely) for yourself by running a simple Loop script. For instance, try running a simple batch file that does nothing other than open up an infinite number of calculators:</p><p></p><p>@ECHO off</p><p>:top</p><p>START %SystemRoot%\system32\calc.exe</p><p>GOTO top</p><p></p><p>Copy the above and save it as calc.bat</p><p></p><p>Run it (If the calculators start popping up on your desktop, a simple reboot will terminate the script without any ill effect).</p><p></p><p>This totally innocuous script will be ignored by most security products as it is legitimate (but really so is the certutil command of the CXK-NMSL malware) and will demonstrate a weakness in most AV products that is most definitely NOT shared by CF.</p><p></p><p>M</p></blockquote><p></p>
[QUOTE="cruelsister, post: 875257, member: 7463"] Vitali- CF will block malware such as this without issue. Comodo has a setting (in Advanced Protection) for Script Analysis to be performed. This is enabled by default and will automatically shunt Scriptors of any sort into Containment. So while many must burden themselves with shutting off things like wscript, powershell, python, vbs, etc, CF already has protection against the malicious actions of these Scriptors. Speaking specifically about CXK-NSML malware, understand that this thingy utilizes only valid Windows commands to do the damage and most Anti-Malware applications will be oblivious to any malicious actions by this script. CF, however, will laugh at it. As an example of how various AV products handle batch scripts like CXK-NSML, you can test this easily (and safely) for yourself by running a simple Loop script. For instance, try running a simple batch file that does nothing other than open up an infinite number of calculators: @ECHO off :top START %SystemRoot%\system32\calc.exe GOTO top Copy the above and save it as calc.bat Run it (If the calculators start popping up on your desktop, a simple reboot will terminate the script without any ill effect). This totally innocuous script will be ignored by most security products as it is legitimate (but really so is the certutil command of the CXK-NMSL malware) and will demonstrate a weakness in most AV products that is most definitely NOT shared by CF. M [/QUOTE]
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