An alternative for repairing STOP Djvu encrypted photos
jpeg-repair.org is a viable option for those who wish to repair photos encrypted by STOP Djvu ransomware, and value time over money.
Tag Archives: jpeg repair
Accidentally deleted pictures from SSD. Recovered but they’re corrupted.
Case study, Story goes like: Accidentally deleted some pictures. Recovered them but they’re corrupted. Anyway to fix it? “I used Recuva to recover a good chunk of my pictures that were deleted but it seems that even though the file was recovered I can’t view its contents? Any program that helps with this? They were… Read More »
Recent changes to JPEG-Repair Toolkit
2.8.257 – May 19, 2025 update # JPEG-Repair, update fixes regression (“editing disabled”, failure to repaint screen after resizing window) introduced in 2.8.252 2.8.252 – May 5, 2025 update # JpegDigger bug with large drives (overflow) # JpegDigger YKUSH XS improvements # JpegDigger updated buy-now URL (MyCommerce went bankrupt) # JPEG-Repair fixes bugs with extracting… Read More »
JPEG restart markers to the rescue
Restart markers make the difference This YouTube channel by my friend and colleague Nguyễn Vũ Hà has many great examples of JPEG-Repair being used to repair STOP/DJVU ransomware affected files. This video in particular is a great showcase on how JPEG restart markers prevent corruption propagating through the JPEG image stream. As you can see… Read More »
Alternative method for half grey or truncated JPEG photo repair
There are various examples on this website of repairs of half grey or truncated JPEG images. In those cases all image data is actually present, but due to an error or corruption only a part of it is visible. If data is simply missing because for example the file is partially overwritten or cut-off, repair… Read More »
Repair, Recover JPEGs encrypted by ransomware STOP Djvu
This article shows repair of JPEGs that fell victim of ransomware. This particular ransomware only encrypts part of the file. Due to this the JPEG header and some 150 KB of JPEG data are lost. Using a reference file and weeding encrypted data we can repair the photo.
Unknown or invalid JPEG Marker
If you get a Unknown or invalid JPEG Marker this means one of two: The photo viewer or editor encountered a JPEG marker it isn’t familiar with. The JPEG file is corrupt. To rule out cause 1, your photo viewer editor doesn’t recognize a certain JPEG marker, update your software and if that does not help, try… Read More »
The corrupt JPEGs that weren’t corrupt
Often I am asked to repair JPEGs that can be opened but don’t display correctly. Many of those look okay for some part, but turn into a grey area at some point. Repairing these files (or recovering them as we’ll see) isn’t always straight forward and sometimes requires some detective work. Half grey photos In… Read More »
In the wild corrupted photos and their fixes
It is true that these are close to impossible to repair using PhotoShop like editors because it’s the underlying data that is corrupt. It means standard photo restoration techniques fall short as they work with the data that is available. JPEG-Repair is a tool designed to remove the corrupt data.
Photos on SD card are corrupt
When you discover photos on your SD card are corrupt or the memory card itself is corrupt you should: Do as little as possible (read: nothing) with the card. Do NOT run chkdsk on the card itself! Do not format the card even if it asks you to! Instead: Create a disk image of the… Read More »