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How to block WannaCry Ransomware
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<blockquote data-quote="WinXPert" data-source="post: 628722" data-attributes="member: 4591"><p>Here is a simple procedure to block WannaCry. Not the most elegant approach but just the basics. This is based on the wcry2 sample at the HUB. I wish I have different variants to test this procedure.</p><p></p><p>I'll be using <a href="http://sordum.org/files/simple-run-blocker/RunBlock_v1.3.zip" target="_blank">RunBlock</a>. It's a portable freeware.</p><p></p><ul> <li data-xf-list-type="ul">Extract RunBlock_v1.3_2.zip and run RunBlock.exe</li> </ul><p></p><p>[ATTACH=full]150312[/ATTACH] </p><p></p><ul> <li data-xf-list-type="ul">Select option 2</li> <li data-xf-list-type="ul">Next click the + icon and add the following four files, or simply drag and drop those files.</li> </ul> <ul style="margin-left: 20px"> <li data-xf-list-type="ul">Chances are you still don't have these files on your system. So we make dummy files.</li> <li data-xf-list-type="ul">Copy any small file in your desktop and create 3 more copies and rename them as:<ul> <li data-xf-list-type="ul">@WannaDecryptor@.exe</li> <li data-xf-list-type="ul">taskdl.exe</li> <li data-xf-list-type="ul">taskse.exe</li> <li data-xf-list-type="ul">wcry2.exe</li> </ul></li> </ul> <ul style="margin-left: 20px"> <li data-xf-list-type="ul">Drag and drop these files to RunBlock</li> <li data-xf-list-type="ul">Click the + icon or save your settings when you exit.</li> </ul><p>This will work as long as wcry2 uses the same filenames.</p><p></p><p>Running the sample and it works.</p><p></p><p>[ATTACH=full]150313[/ATTACH]</p></blockquote><p></p>
[QUOTE="WinXPert, post: 628722, member: 4591"] Here is a simple procedure to block WannaCry. Not the most elegant approach but just the basics. This is based on the wcry2 sample at the HUB. I wish I have different variants to test this procedure. I'll be using [URL='http://sordum.org/files/simple-run-blocker/RunBlock_v1.3.zip']RunBlock[/URL]. It's a portable freeware. [LIST] [*]Extract RunBlock_v1.3_2.zip and run RunBlock.exe [/LIST] [ATTACH=full]150312[/ATTACH] [LIST] [*]Select option 2 [*]Next click the + icon and add the following four files, or simply drag and drop those files. [/LIST] [INDENT][LIST] [*]Chances are you still don't have these files on your system. So we make dummy files. [*]Copy any small file in your desktop and create 3 more copies and rename them as: [LIST] [*]@WannaDecryptor@.exe [*]taskdl.exe [*]taskse.exe [*]wcry2.exe [/LIST] [/LIST] [LIST] [*]Drag and drop these files to RunBlock [*]Click the + icon or save your settings when you exit. [/LIST][/INDENT] This will work as long as wcry2 uses the same filenames. Running the sample and it works. [ATTACH=full]150313[/ATTACH] [/QUOTE]
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