ESET Online Scanner Recommended
Portable executable with latest virus definitions. No permanent installation required.
Download Scanner
Filename esetonlinescanner.exe
Type Portable EXE
Size ~18 MB
Platform Windows
License Freeware
No installation required
Works with existing antivirus
Deep malware detection
Free one-time scans
Back to ESET Online Scanner
How to Use ESET Online Scanner
After downloading, simply run the executable file - no installation is needed. The scanner will download the latest virus definitions and guide you through selecting scan options. You can perform quick scans (5-15 min) or full system scans (30-60 min).
Verify Your Download

After downloading, you can verify the integrity of the file using our hash checker tool. Compare the file hash against official checksums to ensure the file has not been modified.

Use Hash Checker Tool
Important Note
ESET Online Scanner provides one-time scanning only - it does not offer continuous real-time protection. For ongoing security, consider using a full antivirus solution. Always download security tools from official sources and verify file integrity before running.