Category Archives: corrupted

Repair and recovery of digital photos

[automatically translated. Original language Dutch] DiskTuna has extensive experience with generic data recovery but specializes in recovering photos from small flash-based data carriers (SD cards, USB thumb drives, etc.). DiskTuna is also one of the few (worldwide!) That is able to repair corrupt digital photos. You can read all about it on this page. You… Read More »

USB flash drive keeps freezing / disconnecting – Recover Data

A USB flash drive constantly freezing and disconnecting is most likely a sign of degraded NAND. NAND has a finite number of erase/write cycles, the cheaper the NAND used, the smaller this number is. Also certain conditions can lower the number, such as the drive being exposed to heat.  Despite numerous sites recommending you run… Read More »

Repairing corrupt .aac (Advanced Audio Coding) files

Corrupt .aac files Although no advertised service I received an email from someone asking if I could repair .aac files. Until I try I can not answer yes or no. My interest was further sparked by the fact the extensions for the files changed to .kasp which suggests files were corrupted by ransomware. What helps… Read More »

If photos can be recovered, I will.

In several places on this website I make the bold claim that I may recover your photos even if: File recovery or photo recovery software does not. File or photo recovery software recovers corrupt photos. Other labs can’t or recover corrupt files … Of course this is a claim you should not take my word… Read More »

Why is photo repair more expensive than photo recovery?

In this post I’ll try to explain why photo repair is relatively expensive compared to photo recovery. Why is it many photos can be recovered at a fraction of the cost of repairing just a few images?

Create a disk image of a SD Card or small USB flash drive

In this post I’ll explain how you can create a sector-by-sector disk image of a small USB flash drive or memory card using JpegDigger. This type if disk images are also referred to as dd or RAW image files. The disk image is an exact copy of each sector of the drive that was imaged.… Read More »

Repair MP4, MOV, 3GP, M4V, WAV, MP3 after STOP/DJVU ransomware

As most ransomware STOP/DJVU encrypts files to make them inaccessible. After you pay the ransom (in bitcoins), the attackers send the tools and information needed to decrypt your files and make them accessible again. The encryption is very hard to ‘break’ but ransomware researcher every now and then have success creating decryption software. Some time… Read More »

These 9 Sony memory cards might corrupt your files

Sony has issued a product advisory warning for nine of its SD memory cards, across three different product lines, that might damage your data. The cards, listed below, are at risk of corrupting your files when recording video, according to Sony: SF-M Series SF-M64 SF-M128 SF-M256 (Applicable cards can be identified by the presence of… Read More »