.DJVU File Extension

.DJVU File Extension

File Type 1

DjVu Image

Developer LizardTech
3.9  |  712 Votes
Category Raster Image Files
Format Binary

What is a DJVU file?

A DJVU file is a compressed image format developed by AT&T and marketed by LizardTech. It contains a scanned document, which may include text, images, or drawings. DJVU files are designed to allow content developers to scan high-resolution color pages of books, magazines, comics, catalogs, etc. and publish them on the web.

More Information
Screenshot of a .djvu file in WinDjView 2.1
DJVU file open in WinDjView 2.1

The DJVU format was initially released in 1998 and has undergone several revisions, with the latest coming in 2005. The format is open and can compress color documents 5 to 10 times more than .JPEG or .GIF compression, and 3 to 8 times more than .TIFF compression for black and white documents.

Various programs can be used to open DJVU files, including WinDjView, DjVuLibre DjView, and MacDjView. These programs are all available for free.

NOTE: DjVu is pronounced "deja vu."

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Programs that open DJVU files

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Web browser with LizardTech DjVu Browser plugin
Web browser with LizardTech DjVu Browser plugin
Updated June 3, 2019
File Type 2

STOP DJVU Ransomware Encrypted File

Developer N/A
3.0  |  2 Votes
Category Encoded Files
Format N/A

What is a DJVU file?

In rare cases, a DJVU file may be a file that has been encrypted and renamed by STOP Djvu ransomware, which is malware distributed by cybercriminals. It contains a file, such as a .DOCX, .XLSX, .JPG, or .PNG file, that has been encrypted and renamed by the virus. Users whose PCs have been infected by STOP Djvu can attempt to decrypt their DJVU files using Emsisoft Decryptor for STOP Djvu.

More Information

STOP Djvu ransomware is one of the most commonly distributed types of ransomware. After STOP Djvu infects a user's computer and encrypts their files, it produces a ransom message named _readme.txt. The message contains instructions a user is supposed to follow to decrypt their files.

Typically, the ransom message asks for a ransom of $980, unless the user contacts the ransomer in the first 72 hours after infection, in which case the ransom is halved to $490. Other variants of STOP ransomware append users' files with the .STOP, .rumba, .radman, .gero, or .CADQ extensions.

How did my computer get infected by STOP Djvu ransomware?

Users typically encounter STOP Djvu ransomware while installing a downloadable "free program" they acquired from a software download website. This is especially common when the free program purports to be a copy of a paid program. As the program installs itself, it also installs adware and malware on the user's PC, including STOP Djvu ransomware.

How do I open a DJVU file?

DJVU files are encrypted and cannot be opened. If you want to attempt to decrypt your DJVU files and return them to their pre-infected state, you can use Emisisoft Decryptor for STOP Djvu. The decryptor's website includes detailed instructions for decrypting DJVU files.

Programs that open DJVU files

Updated April 14, 2021

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