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	<title>Eric-Taylor.com &#187; Software</title>
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		<title>How To: Hack Deep Freeze and Vision</title>
		<link>http://eric-taylor.com/2005/10/how-to-hack-deep-freeze-and-vision/</link>
		<comments>http://eric-taylor.com/2005/10/how-to-hack-deep-freeze-and-vision/#comments</comments>
		<pubDate>Wed, 12 Oct 2005 23:16:17 +0000</pubDate>
		<dc:creator>Eric Taylor</dc:creator>
				<category><![CDATA[Exploits]]></category>
		<category><![CDATA[Hacking]]></category>
		<category><![CDATA[How To]]></category>
		<category><![CDATA[Software]]></category>

		<guid isPermaLink="false">http://eric-taylor.com/?p=55</guid>
		<description><![CDATA[Another resent question I have received from my fellow students is “How do I get around Deep Freeze?�? It isn’t something that I can just tell a person while running around the track at school during PE class. So, Eric comes to your rescue again and explains it all, but first, if you are on [...]]]></description>
			<content:encoded><![CDATA[<p>Another resent question I have received from my fellow students is “How do I get around Deep Freeze?�? It isn’t something that I can just tell a person while running around the track at school during PE class. So, Eric comes to your rescue again and explains it all, but first, if you are on a school computer and your teacher has Vision installed, you may want to do some stuff before reading this article so he/she can’t see what you’re doing. <img src='http://eric-taylor.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
<p>There is a couple ways of stopping Vision. First, go to C:\Program Files\Master Solution you should see a folder inside called Vision, open it and see a program called MEUCONF, open it and hit “Run Manually�?, and that should solve that problem.</p>
<p>Another way is by simple unplugging the RJ45 connector from the NIC (Or in English, disconnect the wire coming from the networking card.)</p>
<p><strong>FOR WINDOWS 95/98/ME:</strong><br />
Deep Freeze is a VxD (Virtual Device Driver) found in C:\Windows\System\Iosubsys\persifrz.vxd.<br />
So the only way for hacking it is using a boot-disk and deleting the file. Yes…there is more files in C:\program~1\hypert~1\deepfre~1 but those are obsolete to us. They have nothing to do with what we are doing.</p>
<blockquote><p><em>Note:</em> persifrz.vxd IS Deep Freeze. Hence, deleting it will kill it completely <img src='http://eric-taylor.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p></blockquote>
<p>If you can’t boot from the floppy because your boot order is not setup that way, and your teacher has password-protected the bios, you can always 1-pull the battery out of the motherboard 2- move the “reset jumper�? by the bios to reset it.<br />
<strong><br />
FOR WINDOWS 2K/XP:</strong><br />
You need to delete 2 drivers and 1 service (I’m sure you can figure out the the paths)</p>
<p>DepFrzLo.sys (kernel driver)<br />
DepFrzHi.sys (filesystem driver)<br />
dfserv.exe (service)<br />
frzstate.exe (password dialog)<br />
persis00.sys (password file and &#8220;on/off switch&#8221;)</p>
<p>You should be good to go.</p>
<p>You should take Questions/Comments to the “Comments�? section of this post.</p>
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