Files with delf file extension are reported to be malicious or virus files generated by suspicious programs.

Detailed description

Software that open delf file

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DELF file extension - Malicious or virus data

What is delf file? How to open delf files?

File type specification:

Dangerous and malicious file type icon Dangerous and malicious file type

The delf file extension seems to be currently only used for files generated by malicious or virus programs.

Run antivirus programs to make sure your system is not infected. No further information could be found.

This delf file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open delf file:

Avira AntiVir Personal icon

Avira GmbH logoAvira AntiVir Personal  Microsoft Windows software

Company or developer:
Avira GmbH

Avira AntiVir Personal is a free antivirus program that protects your computer from dangerous stuff like viruses, trojans, worms, redirect dialers and other malware. The free version is basically a Lite version of Avira AntiVir Premium.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .delf file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .delf file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open delf file, edit delf file, convert delf file, view delf file, play delf file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with delf file - Malicious or virus data

Click on the software link for more information about Avira AntiVir Personal. Avira AntiVir Personal uses delf file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Main software associated with delf file by default:
Avira AntiVir Personal small icon Avira AntiVir Personal
Other suggested software:
Avira AntiVir Premium small icon Avira AntiVir Premium
AVG Antivirus small icon AVG Antivirus

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