{"id":5225,"date":"2026-05-22T13:30:16","date_gmt":"2026-05-22T13:30:16","guid":{"rendered":"https:\/\/www.codecaste.com\/blog\/?p=5225"},"modified":"2026-05-22T13:38:42","modified_gmt":"2026-05-22T13:38:42","slug":"wordpress-security-malware-scan-guide","status":"publish","type":"post","link":"https:\/\/www.codecaste.com\/blog\/wordpress-security-malware-scan-guide\/","title":{"rendered":"WordPress Security: How to Scan Your Site for Malware (Short &amp; Simple DIY 2026 Guide)"},"content":{"rendered":"\n<p>Around 30,000 websites get hacked every single day, and WordPress sites are a favourite target. If you have ever noticed your site behaving strangely (unexpected redirects, new admin users you did not create, or a sudden drop in Google rankings), it is time to run a <a href=\"https:\/\/hackertarget.com\/wordpress-security-scan\/\" target=\"_blank\" rel=\"noopener\">WordPress security scan.<\/a><\/p>\n\n\n\n<p>This guide walks you through exactly how to scan your site for malware using both free and paid options, what the results mean, and when to escalate the problem to a professional.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>IMPORTANT<br><\/strong>Running a scan is step one, not the fix. Detecting malware is very different from removing it cleanly. Incomplete removal often leaves backdoors behind. Keep that in mind as you work through this guide<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-malware-alert-dashboard.png-1024x683.png\" alt=\"wordpress security malware alert dashboard.png\" class=\"wp-image-5236\" srcset=\"https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-malware-alert-dashboard.png-1024x683.png 1024w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-malware-alert-dashboard.png-300x200.png 300w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-malware-alert-dashboard.png-768x512.png 768w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-malware-alert-dashboard.png-600x400.png 600w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-malware-alert-dashboard.png-900x600.png 900w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-malware-alert-dashboard.png.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Signs Your WordPress Site May Be Infected<\/h2>\n\n\n\n<p>Before you start scanning, it helps to know what you are looking for. Common warning signs include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Google is flagging your site with a &#8216;This site may harm your computer&#8217; warning<\/li>\n\n\n\n<li>Visitors are being redirected to unrelated or suspicious websites<\/li>\n\n\n\n<li>Your hosting provider is suspending your account for suspicious activity<\/li>\n\n\n\n<li>Unexplained admin accounts appearing in your dashboard<\/li>\n\n\n\n<li>A sharp, unexpected drop in organic traffic<\/li>\n\n\n\n<li>Slow page load times combined with excessive server resource usage<\/li>\n<\/ul>\n\n\n\n<p>Any one of these is enough reason to run a scan immediately.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Use a Free WordPress Security Scanner<\/h3>\n\n\n\n<p>Free scanners are the quickest starting point and cover the <a href=\"https:\/\/www.codecaste.com\/blog\/wordpress-hacked-how-hackers-got-in\/\">most common malware signs<\/a>. <\/p>\n\n\n\n<p>Here are some of the best ones:<\/p>\n\n\n\n<p>1. <strong><a href=\"https:\/\/www.wordfence.com\/\" target=\"_blank\" rel=\"noopener\">Wordfence (Free Version)<\/a><\/strong><\/p>\n\n\n\n<p>You can install the WordPress security tools plugin <a href=\"https:\/\/www.wordfence.com\/\" target=\"_blank\" rel=\"noopener\">Wordfence<\/a><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"><a href=\"https:\/\/www.wordfence.com\/\" target=\"_blank\" rel=\"noopener\">\u00a0<\/a><\/span>directly from your WordPress dashboard under <strong>Plugins > Add New<\/strong>. <\/p>\n\n\n\n<p>Once activated, go to <strong>Wordfence<a href=\"https:\/\/www.wordfence.com\/\" target=\"_blank\" rel=\"noopener\"> <\/a>> Scan <\/strong>and run a full scan.<\/p>\n\n\n\n<p>Wordfence checks your core WordPress files against official copies, scans themes and plugins for known malware signatures, and flags suspicious file changes. <\/p>\n\n\n\n<p>The free version is solid for routine checks.<\/p>\n\n\n\n<p>2. <strong><a href=\"https:\/\/sitecheck.sucuri.net\/\" target=\"_blank\" rel=\"noopener\">Sucuri SiteCheck (Remote Scan)<\/a><\/strong><\/p>\n\n\n\n<p>Head to <a href=\"http:\/\/sitecheck.sucuri.net\" target=\"_blank\" rel=\"noopener\">sitecheck.sucuri.net<\/a> and enter your URL. <\/p>\n\n\n\n<p>This is a remote scanner, meaning it only looks at what a visitor would see (your public-facing HTML, JavaScript, and loaded scripts). It does not have access to your server files.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Quick Check<\/strong>: Use <a href=\"https:\/\/sitecheck.sucuri.net\/\" target=\"_blank\" rel=\"noopener\">Sucuri <\/a>SiteCheck for a fast, no-login check. Use <a href=\"https:\/\/www.wordfence.com\/\" target=\"_blank\" rel=\"noopener\">Wordfence <\/a>for a deeper server-side scan. Both are free and take under five minutes.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Try a Premium WordPress Malware Protection Tool<\/h3>\n\n\n\n<p>Free tools only look for known threats, meaning they often miss new, custom malware. <\/p>\n\n\n\n<p>Premium tools look much deeper.<\/p>\n\n\n\n<p>Top paid tools worth considering:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/wordpress.org\/plugins\/malcare-security\/\" target=\"_blank\" rel=\"noopener\"><strong>MalCare<\/strong> <\/a>&#8211; It handles all the heavy lifting on its own servers, so your website stays fast. It catches complex malware and offers one-click cleanup for around $99 a year.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.wordfence.com\/\" target=\"_blank\" rel=\"noopener\">Wordfence Premium<\/a><\/strong> &#8211; It updates its firewall and malware list daily instead of monthly, giving you instant protection against new threats. Plus, you can block entire countries.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/sitecheck.sucuri.net\/\" target=\"_blank\" rel=\"noopener\">Sucuri Platform<\/a><\/strong> &#8211; It combines a powerful firewall with deep scanning and includes unlimited help from their security team to manually clean up any malware.<\/li>\n<\/ul>\n\n\n\n<p>If your business can afford a paid version, the cost of premium WordPress malware protection is minor compared to the cost of downtime &amp; your brand reputation. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Manually Check Core Files<\/h3>\n\n\n\n<p>If you are comfortable with FTP or your hosting cPanel, a manual file review can catch things automated scanners miss. <\/p>\n\n\n\n<p>While checking manually, focus on these areas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The root directory &#8211; look for unfamiliar <strong>.php<\/strong> files that should not be there.<\/li>\n\n\n\n<li><strong>wp-content\/uploads\/<\/strong> &#8211; this folder should never contain executable .php files. <\/li>\n\n\n\n<li><strong>wp-includes\/<\/strong> and <strong>wp-admin\/<\/strong> &#8211; compare against a fresh WordPress install of the same version.<\/li>\n\n\n\n<li>Your theme files &#8211; especially functions.php, which is a common injection target<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Developer Tip<\/strong>: Download a fresh copy of your WordPress version from wordpress.org\/download\/releases\/. Then, use a file-comparison tool (like WinMerge) to compare your files against the official ones. If anything has changed, that\u2019s a major red flag.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Step 4: Install a WordPress Firewall Plugin<\/h3>\n\n\n\n<p>Scanning only removes what is already there. A wordPress firewall plugin stops threats from getting in the first place. <\/p>\n\n\n\n<p>Think of it as the difference between treating an infection and washing your hands before it starts.<\/p>\n\n\n\n<p>Here are a few recommended WordPress firewall plugins you can install:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.wordfence.com\/\" target=\"_blank\" rel=\"noopener\">Wordfence (Free and Premium)<\/a><\/strong> &#8211; An &#8220;inside-the-site&#8221; bodyguard. It sits right inside WordPress to block malicious traffic the moment it arrives.<\/li>\n\n\n\n<li><strong>Sucuri WAF<\/strong> &#8211; An &#8220;outside-the-gate&#8221; firewall. It stops bad traffic in the cloud before it can even touch your website&#8217;s server.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.cloudflare.com\/en-in\/\" target=\"_blank\" rel=\"noopener\">Cloudflare (Free plan)<\/a><\/strong> &#8211; A global traffic shield. While not made specifically for WordPress, it filters out massive waves of fake bot traffic and hacker attacks before they get anywhere near you.<\/li>\n<\/ul>\n\n\n\n<p>Once installed, enable the <strong>firewall<\/strong>, turn on <strong>brute-force login protection<\/strong>, and set up email alerts for suspicious activity. That is your minimum baseline for a <strong>secure WordPress site<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-firewall-settings.png-1024x683.png\" alt=\"wordpress security firewall settings.png\" class=\"wp-image-5234\" srcset=\"https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-firewall-settings.png-1024x683.png 1024w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-firewall-settings.png-300x200.png 300w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-firewall-settings.png-768x512.png 768w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-firewall-settings.png-600x400.png 600w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-firewall-settings.png-900x600.png 900w, https:\/\/www.codecaste.com\/blog\/wp-content\/uploads\/2026\/05\/wordpress-security-firewall-settings.png.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">When to look for Developer help?  <\/h2>\n\n\n\n<p>Some situations call for professional help rather than DIY troubleshooting. <\/p>\n\n\n\n<p>If any of the following apply, do not waste time going in circles:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You have removed malware, but it keeps coming back after a few days.<\/li>\n\n\n\n<li>You do not have access to your site or admin panel at all.<\/li>\n\n\n\n<li>Google has blacklisted your site, and manual review has failed.<\/li>\n\n\n\n<li>Your hosting provider has suspended the account due to repeated infections.<\/li>\n\n\n\n<li>Sensitive customer data may have been exposed.<\/li>\n<\/ul>\n\n\n\n<p>Professional cleanup goes beyond deleting infected files. It involves identifying the original entry point, removing all backdoors, and hardening the site so reinfection is not just a matter of time.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Don&#8217;t let a hacked website stall your business. Whether you need an urgent malware cleanup or want a professional security audit to lock down your site, Codecaste has you covered. We handle the heavy lifting, malware removal, advanced hardening, and 24\/7 monitoring\u2014so you can focus on what you do best: running your business. <strong><a href=\"https:\/\/www.codecaste.com\/contact-us\" target=\"_blank\" rel=\"noreferrer noopener\">Secure your website with Codecaste today.<\/a><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Protect your site with the right WordPress security tools. This guide covers the best free and paid methods to scan for malware and remove it fast<\/p>\n","protected":false},"author":2,"featured_media":5256,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,159,168],"tags":[],"class_list":["post-5225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wordpress","category-wordpress-maintenance","category-wordpress-security"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/posts\/5225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/comments?post=5225"}],"version-history":[{"count":42,"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/posts\/5225\/revisions"}],"predecessor-version":[{"id":5308,"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/posts\/5225\/revisions\/5308"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/media\/5256"}],"wp:attachment":[{"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/media?parent=5225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/categories?post=5225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codecaste.com\/blog\/wp-json\/wp\/v2\/tags?post=5225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}