Knowledgebase Article
Malware Scanning and Removal: What to Do If You Are Infected
Recognizing the Signs of Infection
A compromised website does not always announce itself obviously. Common signs include your site being flagged with a security warning by browsers or search engines, unexpected content appearing on your pages that you did not add, your site redirecting visitors to an unrelated or suspicious destination, unusually slow performance without a corresponding increase in legitimate traffic, or your hosting provider notifying you of suspicious activity detected on your account.
If you have not yet read [INTERNAL LINK: "WordPress Security Hardening Checklist", link to this article using its slug wordpress-security-hardening-checklist], it covers preventive steps specifically for WordPress sites, worth reviewing once your immediate infection is addressed.
Immediate Steps If You Suspect Infection
Act quickly rather than waiting, since malware often spreads or worsens the longer it remains active. Change all passwords associated with your site immediately, including your control panel, database, and any administrator accounts, since compromised credentials are a common entry point that needs closing regardless of how the infection actually occurred.
Identifying What Was Affected
Review your website's files for anything unfamiliar or recently modified that you did not add yourself, paying particular attention to files modified around the time you first noticed symptoms. Check your database for unexpected content, particularly in WordPress sites where malicious code is sometimes injected directly into post content or theme files.
Scanning for Malware
Several security scanning tools, both free and paid, can scan your website's files and database for known malware signatures, helping identify exactly what was injected and where. Running a thorough scan is an important step before attempting removal, since incomplete removal that misses a hidden backdoor often results in reinfection shortly after cleanup.
Removing the Infection
Once identified, malicious code needs to be fully removed from every affected file and database entry. If you have a clean backup from before the infection occurred, restoring from that backup is often faster and more reliable than manually locating and removing every instance of injected malicious code, provided the backup itself predates the infection.
After Removal, Close the Entry Point
Removing the malware itself is not enough if the original vulnerability that allowed the infection remains open, since reinfection through the same entry point is common. Identify how the infection likely occurred, whether through an outdated plugin, a weak password, or an unpatched vulnerability, and address that specific weakness before considering the incident fully resolved.
When to Get Professional Help
If you are not confident identifying or fully removing an infection yourself, professional malware removal services exist specifically for this purpose, and attempting incomplete removal can sometimes make the underlying problem harder to fully resolve later. Our support team can also advise on server level indicators that may not be visible from within your own site's files alone.
Preventing Future Infections
Once your site is clean, review and address the security fundamentals covered in [INTERNAL LINK: "Two Factor Authentication (2FA) Setup Guide", link to this article using its slug two-factor-authentication-setup-guide] and keep all software, themes, and plugins updated going forward, since outdated software remains one of the most common infection entry points.