Malwarebytes offers a free tool called Chameleon—a portable-like utility designed to run even when malware blocks security software. While not the full portable suite, it is a legitimate, free download from Malwarebytes’ official website. Chameleon renames its process to evade detection and then launches a portable version of the Malwarebytes scanner.
Recommendation: For a completely legitimate, free, portable-like experience, download the Malwarebytes Chameleon pack from the official Malwarebytes website. It includes the portable scanner. Malwarebytes Anti-malware Portable
Do you work on a shared office computer, a library terminal, or a university lab? You cannot (and should not) install personal software on these machines. The portable version runs entirely in memory and temporary folders. Once you close the application and eject the USB drive, there is no evidence of the software ever being used. Malwarebytes offers a free tool called Chameleon —a
For severely infected machines that cannot boot Windows, you cannot run a portable .exe. However, you can combine Malwarebytes Portable with PortableApps.com Platform on a bootable Windows PE (Preinstallation Environment) drive. Note: The portable version is not a replacement
| Feature | Standard Malwarebytes | Portable Version | |---------|----------------------|------------------| | Real-time protection | ✅ Yes | ❌ No | | Automatic updates | ✅ Yes | ❌ Manual update required | | Scheduled scanning | ✅ Yes | ❌ No | | Installation needed | ✅ Yes | ❌ No | | Leaves traces on PC | ✅ Yes (registry, services) | ❌ No | | Suitable for rescue missions | Moderate | ✅ Excellent |
Note: The portable version is not a replacement for a full antivirus solution. It is a complementary tool for cleaning existing infections.