What is an antivirus test file?

An antivirus test file is a harmless file that antivirus programs report as a detection test. It contains no real malware, only a fixed signature (EICAR). This lets you verify that your antivirus software responds correctly – without any security risk.

Virus scanners and antivirus solutions are configured to recognise this test file. If you download or generate it and the scanner reports it (or moves it to quarantine), detection is working as intended.

EICAR test file as the standard

The EICAR test file is the established standard for antivirus tests. It was defined by the European Institute for Computer Antivirus Research (EICAR) and is supported by almost all antivirus programs. dummyfiles.dev delivers exactly this file – with your choice of extension: .com, .txt, .exe, .pdf, .xls, or .doc.

Use cases

• Verify antivirus software after installation or update
• Test upload filters and email gateways
• Validate endpoint and server antivirus
• Automated tests, pipelines and scripts with a reproducible test file

Features at dummyfiles.dev

• Official EICAR test file, multiple extensions
• Instant download, no registration
• GET API for scripts and automation
• Harmless, no executable malware

FAQ

Is the antivirus test file dangerous?

No. It is the standardised EICAR test file – text only, no executable malware.

Why does my antivirus detect the file?

AV vendors have deliberately added the EICAR signature to their detection databases so you can test that the software works.

What file extensions are available?

At dummyfiles.dev: .com, .txt, .exe, .pdf, .xls, and .doc. The content is always the EICAR signature.

Can I use the file in pipelines?

Yes. The GET API returns the same test file for the same parameters – suitable for automated tests, pipelines and scripts.

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