Canon Service Tool v5204 is a Windows-based utility designed to reset waste ink absorber counters and perform maintenance on various Canon PIXMA and MAXIFY printers. The tool requires the printer to be in Service Mode via USB connection, and it is frequently used to resolve "Waste Ink Pad Full" errors, though it carries risks of bricking the device or exposing systems to malware. Read the full write-up at Fix Firmware. Canon Service Tool V5204

These detections often reflect unwanted behavior, not necessarily a virus — but caution is mandatory.

6. Legality and Ethics

Distributing or using this tool without authorization may violate:

1. Right-click "This PC" > Properties > Advanced System Settings.
2. Under Performance, click Settings.
3. Go to the Data Execution Prevention tab.
4. Select "Turn on DEP for all programs and services except those I select."
5. Add the Service Tool.exe file to the exceptions list.
6. Restart your computer and try running the tool again.