Open Task Manager and note suspicious processes
Check installed programs for unknown or recently added entries
Review browser extensions and remove unfamiliar add-ons
Inspect browser homepage, search engine, and startup settings
Export browser settings and extension lists if needed
Record suspicious file paths and executable names
Check scheduled tasks for unwanted browser-related entries
Review startup items in Task Manager and system settings
Capture screenshots of browser redirects and pop-ups
Export browser history and download records
Log DNS settings and proxy configuration
Record hosts file entries and recent changes
Save event logs related to browser launches and network activity
Note any unusual network connections or domains
Document registry changes tied to browser settings
Collect timestamps of symptoms and system changes
Save copies of suspicious files in a secure location
Run a reputable anti-malware scan and log detections
Keep a written record of actions taken and results observed