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What is Ymir Ransomware

Ymir Ransomware is a type of malicious software designed to encrypt files on a victim’s computer and demand a ransom for their decryption. It operates by utilizing the ChaCha20 cryptographic algorithm, a sophisticated method ensuring that the files are virtually inaccessible without the unique decryption key held by the attackers. Once it infiltrates a system, Ymir Ransomware appends a random string of characters to the original file extensions, effectively altering the filenames and rendering them unrecognizable. For instance, a file named 1.jpg might be transformed into 1.jpg.6C5oy2dVr6, making it clear that the data is under lock. After the encryption process is complete, the ransomware disseminates a ransom note titled INCIDENT_REPORT.pdf in each folder containing encrypted files. This document provides comprehensive information about the attack, the extent of data compromise, and the payment instructions for the ransom. Alongside the PDF, victims may also encounter a full-screen message before the log-in screen, reinforcing the ransom demand and the threat of data publicization if the victim fails to comply.

Sign-in screen messageINCIDENT_REPORT.pdf
IMPORTANT
What happened? Your network has been compromised and attacked by hackers. All files have been modified. Sensitive information has been stolen and handed over to our experts for analysis. What do I do? The first thing you should do is inform your bosses about the incident. You'll have to pay us to recover your files. Only we have the unique token. Don't try to use any third-party applications to recover your files they may be damaged irretrievably. To contact us read the INCIDENT REPORT file carefully
#? What happened?
Your network has been compromised and attacked by hackers.
All files have been modified.
Sensitive information has been stolen and handed over to our
experts for analysis.
#? Why did this happen?
Your security system was weak, it allowed your company to be
hacked.
#? What are the possible consequences?
You won't be able to use your data, so the company is frozen. You
will lose money every day.
If you refuse to make a deal, your data will be published on the
internet, sold on darknet forums, shared with journalists and your
competitors.
You will suffer reputational damage, your stock will drop in value,
clients and sponsors will lose trust in you.
Also, if the incident becomes public, you will be noticed by law
enforcement agencies and then a long investigation with freezing
of your company will begin.
You'll get multiple fines in excess of the deal.
#? What do I get if I make a deal?
You get file recovery software. We'll remove the stolen data from our servers and provide proof.
You'll get an incident report and recommendations for protection.
You'll get a guarantee that our team will add you to our whitelist of
untouchable companies and we'll never come back to you again. We will not report the incident to anyone.
#? # Why are you doing this?
We're only interested in the money. We don't care about the rest. We also take pleasure in what we do.
#? How can I trust you?
You have no choice, either you lose everything or you trust us. We don't plan to deceive you. We operate in a public space, every
action we take is discussed.
If we defraud even 1 company, we will never be able to make a
good deal. We will definitely recover your files and we will definitely keep
everything confidential.
We are specialists with years of experience and we respect
ourselves and our reputation.
You'll see that we're a bargain when you contact us.
#? How do I proceed if I don't believe a word you say?
You can go to the recovery or the enforcers, but it will definitely
cost you more than dealing with us.
Recovery will buy our software with your token and sell it to you at
a 300% markup.
The enforcers will trample your company, talk to the lawyers, they
will tell you the consequences.
#? I'm the administrator of this network, what do I do?
Don't try to make a deal on your own, you won't have enough
salary for a few years.
Report the incident to your bosses. They'll find out anyway. We
have their contacts and we'll let them know in three days if no one
contacts us.
If you try to rebuild the network alone and hide the incident from
your bosses, you'll delay the inevitable. At some point, they'll hear
about it on the news and be furious that you denied them the
opportunity to save their company.
#? What do I do?
The first thing you should do is inform your bosses about the
incident.
You'll have to pay us to recover your files. Only we have the unique
token.
Don't try to use any third-party applications to recover your files,
they may be damaged irretrievably.
You need to contact us
You can send us 1-3 modified files and we will prove that we can
recover them. We will provide proof of the stolen data.
RecoverySupport@onionmail.org
To contact us, install qTOX messenger.
hxxps://github.com/qTox/qTox/releases/download/v1.17.6/setupqtox-x86_64-release.exe
Add our contact and we can make a deal.
Tox ID:
CF9AE1B27EAA4BF8C223735BEA15AAE23D5BA312B9D9061C805ABD99C373530DBDCC18B7C3BF

When it comes to decrypting the files affected by Ymir Ransomware, the outlook isn’t particularly optimistic. At present, no free public decryption tools are available for this specific ransomware, primarily due to the robust and secure encryption it employs. Typically, engaging with the ransom demands is not advisable since there’s no guarantee of regaining access to the encrypted files after payment, and it also funds criminal activities. To decrypt files, victims would need the specific decryption key generated during the encryption, which is usually held only by the attackers. A professional malware removal tool, like SpyHunter, can help eliminate the ransomware from the system, preventing further encryption, but it won’t decrypt existing files. Victims are advised to focus on restoring files from backups if available. Maintaining regular and secure backups, segmented in multiple locations like remote servers and unplugged storage devices, remains the most effective strategy against data loss due to ransomware attacks.

How Ymir Ransomware infects computers

Ymir Ransomware infects computers primarily through deceptive methods, exploiting vulnerabilities in user behavior and system security. It often infiltrates systems via phishing emails, which contain malicious attachments or links disguised as legitimate communication. These emails trick users into downloading and executing harmful files that initiate the ransomware. Additionally, Ymir can spread through compromised websites or drive-by downloads, where simply visiting a malicious site can lead to infection if the system’s defenses are outdated. Once inside, Ymir uses PowerShell and other remote control commands to propagate through local networks, employing tools like SystemBC and RustyStealer to assist in its operation and data theft. The ransomware’s ability to evade detection by performing actions in memory rather than on disk makes it particularly insidious, as it can exploit network vulnerabilities and weak security protocols to encrypt files and demand ransoms before users are aware of the threat.

  1. Download Ymir Ransomware Removal Tool
  2. Get decryption tool for encrypted files
  3. Recover encrypted files with Stellar Data Recovery Professional
  4. Restore encrypted files with Windows Previous Versions
  5. Restore files with Shadow Explorer
  6. How to protect from threats like Ymir Ransomware

Download Removal Tool

Download Removal Tool

To remove Ymir Ransomware completely, we recommend you to use SpyHunter 5. It detects and removes all files, folders, and registry keys of Ymir Ransomware. The trial version of Spyhunter 5 offers virus scan and 1-time removal for FREE.<

Alternative Removal Tool

Download Norton Antivirus

To remove Ymir Ransomware completely, we recommend you to use Norton Antivirus from Symantec. It detects and removes all files, folders, and registry keys of Ymir Ransomware and prevents future infections by similar viruses.

Ymir Ransomware files:


INCIDENT_REPORT.pdf
{randomname}.exe

Ymir Ransomware registry keys:

no information

How to decrypt and restore encrypted files

Use automated decryptors

Download Kaspersky RakhniDecryptor

kaspersky dharma ransomware decryptor

Use following tool from Kaspersky called Rakhni Decryptor, that can decrypt encrypted files. Download it here:

Download RakhniDecryptor

There is no purpose to pay the ransom because there is no guarantee you will receive the key, but you will put your bank credentials at risk.

Dr.Web Rescue Pack

Famous antivirus vendor Dr. Web provides free decryption service for the owners of its products: Dr.Web Security Space or Dr.Web Enterprise Security Suite. Other users can ask for help in the decryption of encrypted files by uploading samples to Dr. Web Ransomware Decryption Service. Analyzing files will be performed free of charge and if files are decryptable, all you need to do is purchase a 2-year license of Dr.Web Security Space worth $120 or less. Otherwise, you don’t have to pay.

If you are infected with Ymir Ransomware and removed from your computer you can try to decrypt your files. Antivirus vendors and individuals create free decryptors for some crypto-lockers. To attempt to decrypt them manually you can do the following:

Use Stellar Data Recovery Professional to restore encrypted files

stellar data recovery professional

  1. Download Stellar Data Recovery Professional.
  2. Click Recover Data button.
  3. Select type of files you want to restore and click Next button.
  4. Choose location where you would like to restore files from and click Scan button.
  5. Preview found files, choose ones you will restore and click Recover.
Download Stellar Data Recovery Professional

Using Windows Previous Versions option:

  1. Right-click on infected file and choose Properties.
  2. Select Previous Versions tab.
  3. Choose particular version of the file and click Copy.
  4. To restore the selected file and replace the existing one, click on the Restore button.
  5. In case there are no items in the list choose an alternative method.

Using Shadow Explorer:

  1. Download Shadow Explorer program.
  2. Run it, and you will see screen listing of all the drives and the dates that shadow copy was created.
  3. Select the drive and date that you want to restore from.
  4. Right-click on a folder name and select Export.
  5. In case there are no other dates in the list, choose an alternative method.

If you are using Dropbox:

  1. Login to the Dropbox website and go to the folder that contains encrypted files.
  2. Right-click on the encrypted file and select Previous Versions.
  3. Select the version of the file you wish to restore and click on the Restore button.

How to protect computer from viruses, like Ymir Ransomware, in future

1. Get special anti-ransomware software

Use ZoneAlarm Anti-Ransomware

Famous antivirus brand ZoneAlarm by Check Point released a comprehensive tool, that will help you with active anti-ransomware protection, as an additional shield to your current protection. The tool provides Zero-Day protection against ransomware and allows you to recover files. ZoneAlarm Anti-Ransomware is compatible with all other antiviruses, firewalls, and security software except ZoneAlarm Extreme (already shipped with ZoneAlarm Anti-Ransomware) or Check Point Endpoint products. The killer features of this application are: automatic file recovery, overwrite protection that instantly and automatically recovers any encrypted files, file protection that detects and blocks even unknown encryptors.

Download ZoneAlarm Anti-Ransomware

2. Back up your files

idrive backup

As an additional way to save your files, we recommend online backup. Local storage, such as hard drives, SSDs, flash drives, or remote network storage can be instantly infected by the virus once plugged in or connected to. Ymir Ransomware uses some techniques to exploit this. One of the best services and programs for easy automatic online backup is iDrive. It has the most profitable terms and a simple interface. You can read more about iDrive cloud backup and storage here.

3. Do not open spam e-mails and protect your mailbox

mailwasher pro

Malicious attachments to spam or phishing e-mails are the most popular method of ransomware distribution. Using spam filters and creating anti-spam rules is good practice. One of the world leaders in anti-spam protection is MailWasher Pro. It works with various desktop applications and provides a very high level of anti-spam protection.

Download MailWasher Pro
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James Kramer
Hello, I'm James. My website Bugsfighter.com, a culmination of a decade's journey in the realms of computer troubleshooting, software testing, and development. My mission here is to offer you comprehensive, yet user-friendly guides across a spectrum of topics in this niche. Should you encounter any challenges with the software or the methodologies I endorse, please know that I am readily accessible for assistance. For any inquiries or further communication, feel free to reach out through the 'Contacts' page. Your journey towards seamless computing starts here