PC Malware Checker
Is My Computer Infected?
Malware Symptom Checker & First Response Guide
Check Your Symptoms
Select all symptoms you're experiencing. Based on your selections, we'll assess your risk level and provide immediate first response steps.
Selected: 0 symptoms
System Slowdowns
Computer is significantly slower than usual, programs take longer to load
Frequent Pop-ups
Unexpected ads or warnings appear even when browser is closed
Program Crashes
Applications freeze or crash unexpectedly, especially security software
Unknown Processes
Strange processes in Task Manager consuming high resources
High CPU/Disk Usage
System runs hot, fans at max speed with no apparent reason
Browser Changes
Homepage, search engine, or new tab page changed without permission
Missing/Encrypted Files
Files disappeared or encrypted with ransom notes
Disabled Security
Antivirus disabled and can't be restarted, Windows Defender turned off
Unusual Network Activity
High network usage when idle, unknown connections
