About this matter, I think that chart is referring to these 2 tools:
Pre-Kaspersky virus removal
Emergency Recovery, You can
manually download the iso and burn it in a USB device.
Microsoft Windows Troubleshooting Wizard, usually checks some registry keys system for modifications.
Does that means KFree can't remove preinstalled malware in a system? Totally false...
In conclusion, that "Existing Virus Removal" is just a "marketing words" referring to 2 features, one of them is K. RESCUE DISK, that You can download manually, and the other is just a Windows Registry scanning for modifications in the system: