How to decrypt DJVU Ransomware files? STOPDecrypter

by Brendan Smith
August 8, 2019

Virus researcher Michael Gillespie (USA) managed to create his decoder for some versions and variants of DJVU ransomware family.

It work when the DJVU virus used an offline key for encryption.

You can download free decryption tool here: STOPDecrypter. This tool includes a BruteForcer just for variants which use XOR encryption, a simple symmetric cipher that is relatively easy to break. The decrypter tool requires victims to provide an encrypted and original file pair greater than 150KB.

Download STOPDecrypter tool

Download STOPDecrypter

Extract STOPDecrypter tool to your Desktop folder

Unzip STOPDecrypter.zip file to Desktop

Run STOPDecrypter tool

Run STOPDecrypter

Remember: STOPDecrypter should be run as an Administrator from the Desktop.

Select your folder and press “Decrypt” button

STOPDecrypter select folder

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About the author

Brendan Smith

Cybersecurity analyst with 15+ years digging into malware and threats, from early days reverse-engineering trojans to leading incident responses for mid-sized firms.

At Gridinsoft, I handle peer-reviewed breakdowns of stuff like AsyncRAT ransomware—last year, my guides helped flag 200+ variants in real scans, cutting cleanup time by 40% for users. Outside, I write hands-on tutorials on howtofix.guide, like step-by-step takedowns of pop-up adware using Wireshark and custom scripts (one post on VT alternatives got 5k reads in a month).

Certified CISSP and CEH, I’ve run webinars for 300+ pros on AI-boosted stealers—always pushing for simple fixes that stick, because nobody has time for 50-page manuals. Tools of the trade: Splunk for hunting, Ansible for automation, and a healthy dose of coffee to outlast the night shifts.

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2 Comments

  1. FEVZI OZGUL November 26, 2019

    Hi,
    Which anti-malware program would help me get rid of .rote malware and salvage my files encrypted with .rote?
    Thank you.

    Reply
  2. fabio January 17, 2022

    tenho dois hdd primario e segundario
    meu aquivo criptografado “XCMB” no HDD segundario e o primario eu formatei
    ai continhua a mesma coixa dando erro quer devo fazer ?

    acediosamente

    fabio

    Reply

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