A cryptowall file is encrypted by the ransom ware. You cannot simply open it, and without the encryption key it is not really possible.

Detailed description

Software that open cryptowall file

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CRYPTOWALL file extension - Encrypted file by Cryptowall ransomware

What is cryptowall file? How to open cryptowall files?

File type specification:

Ransomware encrypted file type icon Ransomware encrypted file type

CRYPTOWALL is a malware ransomware program that locks and encrypts users sensitive files like documents or archives and demands ransom in Bitcoin (hence ransomware) for their decryption.

If you are attempting to open such files, you will fail, because there is really no way how to break the encryption unless you get the right code.

The only way for you would be to recover your previous backups (You did backup right?), because without backups or paying the ransoms your files are lost.

The default software associated to open cryptowall file:

Avast Antivirus icon

AVAST Software a.s. logoAvast Antivirus  Microsoft Windows software

Company or developer:
AVAST Software a.s.

Avast antivirus is one of the most used antivirus programs with over 220 mil. users. The Essential version is available for free and can be upgraded to All-inclusive or Top-notch editions.

The program is available mainly for Windows, but there is also version for Mac, Linux and main mobile OS platforms for Android phones and Apple iPhones/iPads.

Help how to open:

There is no way how to open *.cryptowall files.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .cryptowall 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 cryptowall file, edit cryptowall file, convert cryptowall file, view cryptowall file, play cryptowall file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with cryptowall file - Encrypted file by Cryptowall ransomware

Click on the software link for more information about Avast Antivirus. Avast Antivirus uses cryptowall 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 cryptowall file by default:
Avast Antivirus small icon Avast Antivirus
Other suggested software:
AVG Antivirus small icon AVG Antivirus
AVG Internet Security small icon AVG Internet Security
ESET Nod32 Antivirus small icon ESET Nod32 Antivirus
Kaspersky Anti-Virus small icon Kaspersky Anti-Virus
Norton Antivirus small icon Norton Antivirus

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