Files with derp extension can be also found as files that had been renamed by DERP ransomware (October 209).

There is one other file type using
the DERP file extension!

empty icon.derp - DERP script

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DERP file extension - Derp ransomware renamed file

What is derp file? How to open derp files?

File type specification:

Ransomware encrypted file type icon Ransomware encrypted file type

File extension derp can be also encountered on files that were encrypted and renamed by DERP ransomware that appeared sometime around October 2019.

When this ransomware affects your computer, it renames all encrypted files and adds .derp suffix on top of existing file extension. A _readme.txt is also created in affected folders and contains instructions.

It looks like there is currently (October 2019) no tool available, that could reliably decrypt .derp files, but usually some appear later.

Help how to open:

No decryptor for DERP files is available at the moment (October 2019). This might change in future.

How to convert:

As far as we know, this .derp 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.

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