Update your antivirus software
Run a full system scan
Run a quick scan first
Check for malware with a second-opinion scanner
Scan downloads, email attachments, and external drives
Review startup programs for unknown items
Check installed programs for anything unfamiliar
Monitor unusual CPU, memory, or disk usage
Look for browser redirects, pop-ups, or homepage changes
Check for disabled security settings
Update your operating system and apps
Disconnect from the internet if you suspect active malware
Run scans in Safe Mode if needed
Quarantine or remove detected threats
Change important passwords after cleaning the system
Back up important files regularly