Ransomware 3301 – How to Remove + File Restore - How to, Technology and PC Security Forum | SensorsTechForum.com

Ransomware 3301 – How to Remove + File Restore

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This article has been created to show you how to remove Ransomware 3301 from your computer effectively and how to restore files that have been encrypted by this virus.

A new Karmen ransomware variant, called Ransomware 3301 has been reported by MalwareHunterTeam @malwrhunterteam on Twitter. The virus not only encrypts documents, photos and databases, but also drops a file, named DECRYPT_MY_FILES.html which has a primary purpose of getting the victim to visit It’s website where instructions can be found on how to pay a hefty sum of BitCoins as a form of extortion to get the files back. If your computer has been infected by Ransomware 3301, be advised that paying the ransom may not be your best option. Instead we recommend that you read this article first.

Threat Summary

NameRansomware 3301
TypeRansomware, Cryptovirus
Short DescriptionEncrypts the files on the computers infected by it and then asks to open a ransom note file which leads to a payment site where a sum is requested to be transferred to the criminals in return for the files.
SymptomsChanged wallpaper. A file, called DECRYPT_MY_FILES.html dropped on the computer. Encrypted files.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by Ransomware 3301


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Ransomware 3301.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

Ransomware 3301 – How Does It Spread

I order for Ransomware 3301 to spread and infect the maximum amount of victims, the cyber-criminals may use advanced tactics which may include spreading the virus in a multitude of methods. One of those tactics has been reported to likely be e-mail spam messages, whose primary purpose is to get victims to either open suspicious e-mail attachment or click on a URL that may cause a drive by download. Usually the e-mail that are sent spreading Ransomware 3301 may contain a deceitful claim in them. The most often used claims in the e-mails are:

  • Receipt.
  • Invoice.
  • Important banking report.
  • Suspicious activity on your banked account.
  • Someone added you on a social networking site.

As soon as the victim clicks on the suspicious URL or downloads the malicious file and opens it, the virus begins it’s malicious activity.

Besides the primary method of being spread via e-mail, the Ransomware 3301 infection may also be redistributed via other methods as well. The main of those methods are if the virus is uploaded online as a fake installer of a program or a license activator, such as key generator, crack or similar.

Ransomware 3301 – More Information

After the Ransomware 3301 infection has been initiated, the infection file may drop the payload of the virus which contains multiple different types of files. The files may have different functions and the virus makes sure they are concealed from the victim. They may exist under different names in the commonly targeted Windows folders:

  • %AppData%
  • %Temp%
  • %Local%
  • %LocalLow%
  • %Temp%
  • %Roaming%

After having already infected the computer, Ransomware 3301 virus may escalate it’s privileges, giving it total control over your computer. The virus uses this to change key settings in Windows, for example to delete the shadow volume copies via the bcedit and vssadmin commands in the background. The commands are as follows:

→ process call create cmd.exe /c
vssadmin.exe delete shadows /all /quiet
bcdedit.exe /set {default} recoveryenabled no
bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures

After deleting the shadow volume copies, the Ransomware 3301 executes a script that changes the wallpaper of the victim PC with a wallpaper that has the following message:

Text from Image:

“Ransomware 3301
! Attention !
All your documents, photos, databases and other important files have been encrypted
Only way to decrypt your files is to receive the private key and decryption program To receive the private key and decryption program go to any crypted folder inside there is the special file (DECRYPT_MY_FILES•HTML) with complete instructions how to decrypt your files”

After opening the DECRYPT_MY_FILES.HTML files which is usually located on the desktop of the affected computer, the victim sees the following image that leads to a TOR-based website:

Text from image:

You Are Locked by 3301
What happened? Your documents. photos. databases and other important files have been encrypted! If you want them back then follow the instructions. You have to pay us the amount that will be indicated on the site. Before paying you have no chance to get the key and decryptor. More information you will see on the site.
Other information
You have 168 hours/7 Days or your decrypt key will be deleted and hope to get the files disappears. Bellow & on your Desktop you will find your Unique ID. you must specify this Unique ID on the site to get the payment informations to buy your decrypt key and recover your files. I wait for you on the site.
1. Download and Install the Tor Browser from here:
2. Run it
3. In the Tor Browser open the website
4. Click on your country & enter your ID
5. Follow the Instructions on the website
Notice: For any other browser that is not TOR. use the links at the bottom.

Ransomware 3301 – File Encryption

The encryption process of Ransomware 3301 is conducted by generating a unique identification which corresponds to the infected computer. This way the cyber-criminals can easily track the encryption process. The procedure of encrypting files includes replacing key data of the original files with data from the encryption algorithm, enough to make them unable to be opened. Ransomware 3301 may target the following file types for encryption:

  • Image files.
  • Videos.
  • Audio files.
  • Databases.
  • Archives.
  • Documents.

After the encryption process, Ransomware 3301’s end goal is to get victims TOR-based web page, which looks like the following:

The amount of bitcoins requested are 0.00036 and victims have 168 hours to comply. Paying the cyber-criminals for decryption is strongly inadvisable because of several key reasons:

  • You aid the expansion of their cyber-criminal operations.
  • Paying is not a guarantee that you will get your files decrypted.

Remove Ransomware 3301 and Restore Encrypted Files

For the removal process of 3301 ransomware, we strongly suggest that you focus on creating a backup of your important files first. After this, you can proceed removing Ransomware 3301 from your computer by following the removal instructions below. They are specifically created to help you completely be rid of this virus by isolating it. However, if you want to be certain that Ransomware 3301 is removed completely, we strongly suggest that you perform the removal process with a ransomware-specific anti-malware software automatically. Doing so will also ensure that your PC stays protected in the future as well.

If you want to restore the files that have been encrypted by this virus, we strongly suggest that you try our alternative methods in step “2. Restore files encrypted by Ransomware 3301” below. They are not 100% effective, however they may help you recover at least a portion of your encrypted files. However, be advised to always try those methods on copies of your encrypted files, not the original ones and from a secure computer, for maximum safety.

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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