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<blockquote data-quote="Andy Ful" data-source="post: 687973" data-attributes="member: 32260"><p>Controlled Folder Access turned ON. Allowed one application c:\z\alternatestreamview.exe (blocked normally by default deny SRP <--- Hard_Configurator).</p><p>Explorer, Total Commander, cmd.exe, and SoftMaker Office are not added to allowed applications in Controlled Folder Access.</p><p>.</p><p>Results of my test:</p><ol> <li data-xf-list-type="ol">Application added to allowed applications in Controlled Folder Access is still blocked by SRP.</li> <li data-xf-list-type="ol">Application not allowed in Controlled Folder Access, ran elevated:<ul> <li data-xf-list-type="ul">Cannot copy files to protected folders.</li> <li data-xf-list-type="ul">Cannot delete files from protected folders.</li> <li data-xf-list-type="ul">Opened documents are protected against modifications.</li> </ul></li> <li data-xf-list-type="ol">Windows Explorer and Total Commander (ran as standard user):<ul> <li data-xf-list-type="ul"><strong>Can copy files to protected folders.</strong></li> <li data-xf-list-type="ul"><strong>Can delete files from protected folders.</strong></li> </ul></li> <li data-xf-list-type="ol">cmd.exe (ran as standard user or as administrator):<ul> <li data-xf-list-type="ul">Cannot copy files to protected folders.</li> <li data-xf-list-type="ul">Cannot delete files from protected folders.</li> <li data-xf-list-type="ul">Opened documents are protected against modifications.</li> </ul></li> <li data-xf-list-type="ol">Softmaker Office 2012 ran as standard user:<ol> <li data-xf-list-type="ol">Cannot copy files to protected folders.</li> <li data-xf-list-type="ol">Files <strong>can be deleted</strong> from SoftMaker Office after accepting UAC prompt.</li> <li data-xf-list-type="ol">Opened documents are protected against modifications.</li> </ol></li> </ol><p>I noticed a strange thing, that follows from the above. <strong>Softmaker Office 2012 ran as standard user could delete files (UAC prompt), but when ran elevated it could not. </strong>I would expect rather the opposite.</p><p>The second strange thing is that <strong>Total Commander ran as standard user could copy/delete files from protected folders</strong>. If so, then the ransomware will soon do it too (in theory).</p><p>It may be that Controlled Folder Access has some bugs, so it can behave somewhat different on different computers.</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 687973, member: 32260"] Controlled Folder Access turned ON. Allowed one application c:\z\alternatestreamview.exe (blocked normally by default deny SRP <--- Hard_Configurator). Explorer, Total Commander, cmd.exe, and SoftMaker Office are not added to allowed applications in Controlled Folder Access. . Results of my test: [LIST=1] [*]Application added to allowed applications in Controlled Folder Access is still blocked by SRP. [*]Application not allowed in Controlled Folder Access, ran elevated: [LIST] [*]Cannot copy files to protected folders. [*]Cannot delete files from protected folders. [*]Opened documents are protected against modifications. [/LIST] [*]Windows Explorer and Total Commander (ran as standard user): [LIST] [*][B]Can copy files to protected folders.[/B] [*][B]Can delete files from protected folders.[/B] [/LIST] [*]cmd.exe (ran as standard user or as administrator): [LIST] [*]Cannot copy files to protected folders. [*]Cannot delete files from protected folders. [*]Opened documents are protected against modifications. [/LIST] [*]Softmaker Office 2012 ran as standard user: [LIST=1] [*]Cannot copy files to protected folders. [*]Files [B]can be deleted[/B] from SoftMaker Office after accepting UAC prompt. [*]Opened documents are protected against modifications. [/LIST] [/LIST] I noticed a strange thing, that follows from the above. [B]Softmaker Office 2012 ran as standard user could delete files (UAC prompt), but when ran elevated it could not. [/B]I would expect rather the opposite. The second strange thing is that [B]Total Commander ran as standard user could copy/delete files from protected folders[/B]. If so, then the ransomware will soon do it too (in theory). It may be that Controlled Folder Access has some bugs, so it can behave somewhat different on different computers. [/QUOTE]
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