Malware found but cannot be removed
4.5
Your antivirus detects a threat but fails to delete or quarantine it.
Symptoms
- "Removal Failed"
- Threat reappears after reboot
- File in use error
Possible Causes
- Malware protecting itself
- Rootkit infection
- Infected system file
Step-by-Step Fix
1
Scan in Safe Mode
Prevents the malware from running so it can be deleted.
2
Use an Offline Scanner
Create a "Rescue USB" (like Kaspersky Rescue Disk) to scan before Windows starts.
3
Use a Rootkit Remover
Try specialized tools like "TDSSKiller" for deep-seated infections.
When to See a Technician
Some malware uses "File System Filter" drivers to hide from the operating system entirely.
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