DNS Error (XP)

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dondari

Thread Starter
Joined
Apr 13, 2008
Messages
12
I have enabled program and component monitoring in my firewall (Norton). As a result, my computer prompts me when a program wants to use an unrecognized module to access the internet.

Interestingly, when I'm browsing in IE 7 and I choose a favourite, the firewall prompts with a medium risk alert asking if I want to allow iexplore.exe's module c:\program files\adobe ...\pdfshell.dll to use the internet. I typically check the remote ip address and decide to block the traffic. At that point, all addresses entered into IE return a (suspicious) DNS error and my browser becomes useless. I can only get it working again if I delete IE's browsing history, and delete the contents of c:\documents and settings\<user>\local settings\temp and ...\temporary internet files.

Actually I found a file under ...\temporary internet files called "dnserror[1]" and I suspect that it is the culprit. The code is:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>

<head>
<link rel="stylesheet" type="text/css" href="ErrorPageTemplate.css" >

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Internet Explorer cannot display the webpage</title>

<script src="errorPageStrings.js" language="javascript" type="text/javascript">
</script>
<script src="httpErrorPagesScripts.js" language="javascript" type="text/javascript">
</script>
</head>

<body onLoad="javascript:initMoreInfo('infoBlockID');">

<table width="730" cellpadding="0" cellspacing="0" border="0">

<!-- Error title -->
<tr>
<td id="infoIconAlign" width="60" align="left" valign="top" rowspan="2">
<img src="info_48.png" id="infoIcon" alt="Info icon">
</td>
<td id="mainTitleAlign" valign="middle" align="left" width="*">
<h1 id="mainTitle">Internet Explorer cannot display the webpage</h1>
</td>
</tr>

<tr>
<!-- This row is for HTTP status code, as well as the divider-->
<td id="errorCodeAlign" class="errorCodeAndDivider" align="right">&nbsp;
<div class="divider"></div>
</td>
</tr>


<!-- Error Body -->
<tr>
<td>
&nbsp;
</td>
<td id="MostLikelyAlign" valign="top" align="left">
<h3 id="likelyCauses">Most likely causes:</h3>
<ul>
<li id="causeNotConnected">You are not connected to the Internet.</li>
<li id="causeSiteProblem">The website is encountering problems.</li>
<li id="causeErrorInAddress">There might be a typing error in the address.</li>
</ul>
</td>
</tr>

<!-- What you can do -->
<tr>
<td>
&nbsp;
</td>
<td id="whatToTryAlign" valign="top" align="left">
<h2 id="whatToTry">What you can try:</h2>
</td>
</tr>

<!-- Check Connection -->
<tr>
<td >
&nbsp;
</td>
<td id="checkConnectionAlign" align="left" valign="middle">
<h4>
<table>
<tr>
<td valign="top">
<img src="bullet.png" border="0" alt="" class="actionIcon">
</td>
<td valign="top">
<a href="#" onclick="javascript:diagnoseConnection(); return false;"><ID id="diagnose">Diagnose Connection Problems</ID></a>
</td>
</tr>
</table>
</h4>
</td>
</tr>

<!-- InfoBlock -->
<tr>
<td id="infoBlockAlign" align="right" valign="top">
&nbsp;
</td>
<td id="moreInformationAlign" align="left" valign="middle">
<h4>
<table>
<tr>
<td valign="top">
<a href="#" onclick="javascript:expandCollapse('infoBlockID', true); return false;"><img src="down.png" id="infoBlockIDImage" border="0" class="actionIcon" alt="More information"></a>
</td>
<td valign="top">
<span id="moreInfoContainer"></span>
<noscript><ID id="moreInformation">More information</ID></noscript>
</td>
</tr>
</table>
</h4>

<div id="infoBlockID" class="infoBlock" style="display: none">
<p>
<ID id="errorExpl1">This problem can be caused by a variety of issues, including:</ID>
<ul>
<li id="errorExpl2">Internet connectivity has been lost.</li>
<li id="errorExpl3">The website is temporarily unavailable.</li>
<li id="errorExpl4">The Domain Name Server (DNS) is not reachable.</li>
<li id="errorExpl5">The Domain Name Server (DNS) does not have a listing for the website's domain.</li>
<li id="errorExpl6">If this is an HTTPS (secure) address, click Tools, click Internet Options, click Advanced, and check to be sure the SSL and TLS protocols are enabled under the security section.</li>
</ul>
</p>
<p id="offlineUsers"><b>For offline users</b></p>
<p id="viewSubscribedFeeds1">
You can still view subscribed feeds and some recently viewed webpages.<br/>
To view subscribed feeds
<ol>
<li id="viewSubscribedFeeds2">Click the Favorites Center button <img src="favcenter.png" border="0">, click Feeds, and then click the feed you want to view.</li>
</ol>
</p>
<p id="viewRecentWebpages1">To view recently visited webpages (might not work on all pages)
<ol>
<li id="viewRecentWebpages2">Click Tools <img src="tools.png" border="0">, and then click Work Offline.</li>
<li id="viewRecentWebpages3">Click the Favorites Center button <img src="favcenter.png" border="0">, click History, and then click the page you want to view.</li>
</ol>
</p>
</div>
</td>
</tr>

</table>

</body>
</html>

Is this legit? I have 2 name brand virus checkers and they both come up clean. What kind of malware might this be?
 
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