Malwarebytes vs Windows Defender, Which is Better?

Wondering Malwarebytes vs Windows Defender, which is better? This guide compares their features, various malware features, system performance, cost, and compatibility, helping you choose the best antivirus tool to protect your device.

By Jonna    Updated on April 28, 2026

With ransomware, phishing scams, spyware, and zero-day threats becoming part of everyday computing, choosing the right security software is of vital importance for PC protection. Malwarebytes vs Windows Defender, which is better - it may be a commonly asked question. Here is a complete guide: comparing their pros and cons and explaining how to run them together.

Overview of Malwarebytes

Malwarebytes is a security solution focused primarily on malware detection, removal, and behavior-based threat prevention. It originally gained popularity as a powerful cleanup tool, something users installed after their antivirus failed to remove an infection. Over time, Malwarebytes evolved into a full real-time protection platform.

Unlike built-in antivirus software, Malwarebytes positions itself as an extra layer of security. Many users install it alongside other security programs to strengthen overall defense. Malwarebytes uses behavior-based detection in addition to signature-based scanning. This allows it to identify suspicious activity even if the malware has not yet been cataloged in a database.

Advantages of Malwarebytes

  • Strong protection against zero-day threats
  • Effective ransomware detection
  • Lightweight interface and clean design
  • Optional VPN service
  • Works well as a secondary security layer

Disadvantages of Malwarebytes

  • Full real-time protection requires a paid subscription
  • Free version only offers manual scanning
  • VPN is an add-on cost
  • Fewer built-in system tools compared to some competitors

Malwarebytes focuses on deep, behavior-based malware detection. It is particularly attractive for users who want targeted malware removal or additional protection beyond standard antivirus coverage.

Overview of Windows Defender

Windows Defender, officially known as Microsoft Defender Antivirus, comes pre-installed on Windows 10 and Windows 11 systems. Windows Defender provides real-time protection, firewall integration, phishing protection, and cloud-based threat intelligence. Because it is enabled by default and built directly into the operating system, it works seamlessly without requiring additional installation.

Advantages of Windows Defender

  • Completely free and built into Windows
  • Deep integration with the OS
  • Automatic updates and configuration
  • Low impact on system performance
  • Good baseline protection for everyday users

Disadvantages of Windows Defender

  • Fewer advanced controls for power users
  • Ransomware protection requires manual configuration
  • Detection of niche or emerging threats can lag behind specialized tools
  • No standalone VPN or privacy features

Windows Defender focuses on broad, system-wide protection. For most everyday users, it provides sufficient baseline protection without extra cost. It is designed to run quietly in the background and protect against common threats.

Malwarebytes vs Windows Defender - Which is Better?

Below is a detailed comparison of Microsoft Defender vs Malwarebytes across various aspects to help you decide which one best suits your needs.

Device Security & Malware Detection

In terms of core malware detection, both programs perform well. Windows Defender has improved dramatically over the years and now scores competitively in independent lab tests. It offers real-time protection against viruses, spyware, and ransomware.

Malwarebytes, however, focuses strongly on behavior-based detection. It excels at identifying potentially unwanted programs (PUPs) and advanced threats that traditional antivirus engines sometimes overlook. If comparing protection approaches:

  • Windows Defender provides broad, built-in protection for common threats. And it integrates deeply with Windows system processes.
  • Malwarebytes specializes in detecting advanced and emerging threats. And it can function as an additional security layer.

If you're asking, is Malwarebytes better than Windows Defender? - The answer depends on your risk level. For users who frequently download files or install third-party software, Malwarebytes may catch more edge-case threats.

Ransomware Protection

Windows Defender includes Controlled Folder Access, which prevents unauthorized applications from modifying protected folders. However, it requires manual configuration. Malwarebytes offers built-in ransomware monitoring that automatically blocks suspicious encryption behavior.

In terms of pure ransomware response, many users prefer Malwarebytes’ proactive detection style. That said, Defender’s integration into Windows makes it very reliable for standard use cases.

Virtual Private Network (VPN)

Privacy features increasingly matter in security discussions. When examining Malwarebytes vs Windows Defender in this area, the difference is clear.

Windows Defender does not include a built-in VPN. Users must rely on third-party services for encrypted browsing and IP masking. Malwarebytes offers a separate VPN service as part of its premium subscription packages. While not bundled into its core free version, it provides secure browsing and public Wi-Fi protection for users who choose the premium plan.

For users seeking an all-in-one security suite that includes a VPN, Malwarebytes holds an advantage. However, this benefit comes at an additional cost.

System Performance

Performance impact is a critical factorin Windows Defender vs Malware bytes. Security software runs continuously, so efficiency matters.

Windows Defender benefits from native integration within the Windows operating system. Because it is designed alongside Windows itself, it typically runs smoothly with minimal performance disruption. Malwarebytes is also lightweight, particularly when compared to some full-featured antivirus suites. However, running both programs simultaneously in real-time mode may slightly increase resource usage.

Ease of Use

Ease of use can significantly influence user satisfaction. Security software should not feel complicated.

Windows Defender’s interface is built into the Windows Security dashboard. It provides a clean overview of threat protection, firewall status, and account security. Most actions require only a few clicks.

Malwarebytes offers a streamlined interface focused primarily on scanning and protection status. It avoids overwhelming users with technical jargon.

Pricing

Windows Defender is completely free and included with Windows. There are no subscription fees or upgrade tiers for core antivirus functionality.

Malwarebytes offers both free and paid versions. The free version provides manual scanning but does not include real-time protection. The premium version includes advanced features such as ransomware protection and optional VPN services.

Now, let’s compare them side by side:

Feature

Malwarebytes

Windows Defender

Real-time Protection

Yes (Paid)

Yes (Free)

Zero-day detection

Moderate

Strong

Ransomware Protection

Yes

Yes

VPN

Yes (Paid)

No

System Impact

Moderate

Low

Ease of Use

Easy

Very easy

Price

Free

Freewith subscription

OS Support

Windows, Android, macOS, ChromeOS, iOS

Windows 10/11

And for additional features, Windows Defender includes firewall and device health monitoring. Malwarebytes focuses more narrowly on threat detection and web protection.

How to Run Malwarebytes and Windows Defender At the Same Time

One of the most common questions in the Malwarebytes vs Windows Defender debate is whether they can coexist. By default, Windows Defender disables itself when another real-time antivirus is installed. However, Malwarebytes is designed to work alongside Defender if configured correctly.

To do this, you can install Malwarebytes and keep Windows Defender enabled. Then, in Malwarebytes settings, disable "Register Malwarebytes as the default security program." Now, you can allow Defender to continue real-time monitoring and use Malwarebytes for secondary scanning or premium layered defense.

 

Alternative Ransomware Protection Software for Windows PCs

Traditional antivirus tools focus on prevention - but what happens when prevention fails? This is where backup-based protection becomes critical. AOMEI Backupper isn't a traditional antivirus. Instead, it’s a data protection and recovery tool designed to ensure you can recover from ransomware attacks, even if malware bypasses security software.

AOMEI Backupper
Proactive Backup Software for Windows
  • Full backup options like creating system images for Windows OS, disk images for entire system drive, or file images for specific files/folders.
  • Protect backup images created by AOMEI Backupper, specific file types, files, or folders, even if malware bypasses antivirus defenses.
  • Restore backup image quickly and easily, even when PC won’t boot (with a bootable USB or using its recovery environment)

Step 1. Run AOMEI Backupper, go to Backup, and select the desired backup option to create a backup image.

Step 2. Head to the Tools tab and click Ransomware Protection.

Step 3. Toggle the switch to enable Ransomware Protection. Then, protect file type, files, or folders as needed.

  • The backup images created by AOMEI Backupper are protected automatically.
  • Input the file extensions you frequently use to protect specific file types.
  • Enter specific folder paths, such as C:\Program Files (x86), C:\ProgramData, etc., to protect crucial files and folders.

FAQs on Malwarebytes vs Windows Defender

#1. Does Microsoft Defender conflict with Malwarebytes?

In most cases, no. Modern versions of Windows allow Malwarebytes to run alongside Defender, especially when Malwarebytes is not set as the primary antivirus. Conflicts are rare but can occur if both programs attempt to control the same real-time processes.

#2. Should I turn off Windows Defender if I have Malwarebytes?

Not necessarily. Many users keep Defender active while using Malwarebytes as an additional layer. However, if Malwarebytes is set as the main antivirus, Windows may automatically disable Defender’s real-time protection.

#3. Do I need anti-malware if I have Windows Defender?

For average users, Windows Defender provides adequate protection. However, users concerned about advanced threats or zero-day attacks may benefit from additional anti-malware tools like Malwarebytes.

Concluding Words

The choice between Malwarebytes vs Windows Defender ultimately depends on your security priorities, budget, and comfort level. Windows Defender offers reliable, built-in protection at no additional cost. It integrates seamlessly with Windows and is sufficient for most users. Malwarebytes, on the other hand, provides an extra layer of advanced protection, particularly against emerging threats and ransomware. It also offers optional privacy tools like a VPN.

For many users, combining Defender with Malwarebytes creates a layered security strategy. Adding backup software like AOMEI Backupper further strengthens defense against ransomware.

Free Download Windows 7/8/8.1/10/11
Jonna · Editor
Jonna joined AOMEI in 2021 and has become a professional in computer backup and restoration, disk cloning, file synchronization, etc. She maintains a keen eye for the latest technology trends and ensures that the information provided is always in step with industry developments.