Files with ecc suffix can be also found files affected and encrypted files by the Cryptolocker or TeslaCrypt ransomware. This means they can be pretty much anything, including documents, photos, spreadsheets or others sensitive files.

There are 2 other file types using
the ECC file extension!

ecc file icon.ecc - Ecchi picture

ecc file icon.ecc - dvdisaster error-correction file

Detailed description

Software that works with ecc file extension

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ECC file extension - Cryptolocker or TeslaCrypt virus encrypted file

What is ecc file? How to open ecc files?

File type specification:

Ransomware encrypted file type icon Ransomware encrypted file type

The ecc file extension is nowadays mainly related to the TeslaCrypt or Cryptolocker a malicious software, also known as ransomware for Windows that crypt user's documents, spreadsheets, Outlook data files, pictures, Photoshop files, PDF files etc. and demands ransom for the decryption key.

The TeslaCrypt is also able to crypt game save files, replays and other game data files from popular computer games as World of Warcraft, World of Tanks etc.

Files that can be encrypted by Cryptolocker:

3fr, accdb, ai, arw, bay, cdr, cer, cr2, crt, crw, dbf, dcr, der, dng, doc, docm, docx, dwg, dxf, dxg, eps, erf, indd, jpe, jpg, kdc, mdb, mdf, mef, mrw, nef, nrw, odb, odm, odp, ods, odt, orf, p12, p7b, p7c, pdd, pef, pem, pfx, ppt, pptm, pptx, psd, pst, ptx, r3d, raf, raw, rtf, rw2, rwl, srf, srw, wb2, wpd, wps, xlk, xls, xlsb, xlsm, xlsx

Files that can be encrypted by TeslaCrypt:

unity3d, blob, wma, avi, rar, DayZProfile, doc, odb, asset, forge, cas, map, mcgame, rgss3a, big, wotreplay, xxx, m3u, png, jpeg, txt, crt, x3f, ai, eps, pdf, lvl, sis, gdb

If your computer is infected, files with extensions listed above will be encrypted with AES encryption and protected with password and their extension changed to ecc. The file after encryption looks like this example: nameoffile.doc.ecc.

You will be asked by Warning message with information about infection and how to remove encryption with pay instructions.

HELP_RESTORE_FILES.txt file also be generated in each affected folder with the instructions about how to restor your files.

You need to have a previous backup of your data → clean your computer with antivirus software, or reinstall operating system → restore your data from backup.

The default software associated to ecc file type:

TeslaDecoder  Microsoft Windows software

Company or developer:

TeslaDecoder is a free utility that helps users recover their files affected by TeslaCrypt virus. Older versions of the affected files are recovered automatically, for newer ones users have to follow instructions how to crack their own encryption key and recover the files manually.

Cisco Systems, Inc. logo Cisco TeslaDecrypter  Microsoft Windows software

Company or developer:
  Cisco Systems, Inc.

Cisco TeslaDecrypter is a partially working decryption tool for TeslaCrypt ransomware.

Related articles:

Cisco TeslaDecrypt utility

Help how to open ECC files:

There is no 100% successful way how to remove encryption without pay to virus developers. However, people are working on a decryption utility and for example Cisco TeslaDecrypt utility is partially successful in certain scenarios.

How to convert file with extension ECC:

These files cannot be converted, you have to decrypt them.

List of software applications associated to the .ecc file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open ecc file, edit ecc file, convert ecc file, view ecc file, play ecc file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the ecc files.

  • Recover ecc file
  • Others ecc file

Software which is able to fix, repair or recover ecc file - Cryptolocker or TeslaCrypt virus encrypted file

Click on the link to get more information about listed programs for recover ecc file action.

Microsoft Windows:

Main software associated with ecc file by default:
Cisco TeslaDecrypter

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