Ensuring that files are free from viruses is crucial to maintaining a secure digital environment. Downloading an infected file could give cybercriminals access to your personal data and compromise the security of your device. Knowing how to detect potential threats before downloading or opening files is a key part of protecting yourself online. This article provides insights into how to check files for viruses, whether on your device or online, and how to enhance your overall digital security. To know more about how to check if a file is malware
When to Check a File for Viruses?
It’s smart to scan files when you receive them from an unknown source or download them from unfamiliar websites. Be cautious with .exe files, as they can install harmful programs. Additionally, Microsoft Office files like .docx and PDFs are increasingly becoming targets for malware.
Steps to Scan Files with Antivirus Software
Using Norton Antivirus is an effective way to scan for viruses:
- Open Norton: If it’s not installed, download it, create an account, and launch the app.
- Navigate to Scans: Go to the Security tab, then select Custom scans.
- Select Files: Pick the files or folders you want to scan.
- Review the Results: Once scanning is complete, Norton will provide a report and flag any detected threats.
Microsoft Defender also allows you to perform scans by going to Windows Security and selecting Virus & Threat Protection.
Scanning Files Online
For online scanning, VirusTotal is a reliable option. It checks files against multiple antivirus databases.
- Upload the File: Go to VirusTotal, upload the file, and wait for it to scan.
- Review Results: VirusTotal will flag any potential threats, so you can take appropriate action.
Avoid uploading sensitive files to online scanners, as they’re best used for general purposes.
What to Do After Scanning?
If the scan comes back clear but you’re still unsure, check the file’s publisher or run it in a sandbox. A sandbox lets you test files without affecting your device. Software like Avast provides this feature for safe testing.
You can also continue monitoring the file using antivirus software with real-time protection, which can track its activity.
How Antivirus Programs Work
Antivirus programs scan your system for known threats by comparing files with malware databases. They can also detect new or emerging threats by analyzing file behavior. When a threat is found, it’s quarantined, allowing you to remove or review it.
Conclusion
To protect yourself from potentially malicious files, always scan suspicious downloads. Whether using robust antivirus software like Norton or a free online scanner like VirusTotal, ensuring the safety of your files is critical to safeguarding your devices. Regularly scanning files, maintaining real-time protection, and staying vigilant about suspicious emails or websites will help you maintain a secure digital environment.
