Yes, there are several free tools available that can help you remove malware injected on a website. Here are some popular ones:
1. Sucuri SiteCheck: Sucuri SiteCheck is a free online tool that can scan your website for malware, blacklisting, website errors, and out-of-date software. It provides a detailed report of any issues found and offers recommendations on how to fix them.
2. Wordfence: Wordfence is a popular security plugin for WordPress websites that offers a free version with malware scanning and removal features. It can help you identify and clean up malware on your website.
3. MalCare: MalCare is another security plugin for WordPress websites that offers a free malware scanning and removal tool. It can help you detect and remove malware from your website efficiently.
4. Google Safe Browsing: Google Safe Browsing is a service provided by Google that helps website owners check if their website is infected with malware. You can use Google's Safe Browsing tool to scan your website and get information on any malicious content found.
5. VirusTotal: VirusTotal is a free online tool that allows you to scan files and URLs for malware using multiple antivirus engines. You can use VirusTotal to scan your website's files and URLs for any signs of malware.
It's important to note that while these tools can help you detect and remove malware from your website, it's also essential to take steps to prevent future infections. Regularly updating your website software, using strong passwords, and implementing security best practices can help protect your website from malware attacks.