Remove Sdjm File Ransomware (+Recover .sdjm Files)

Summary:

Virus Name	Sdjm
Infection symptoms	All images, videos and documents append “.Sdjm” extension and cannot be opened by any program!
Type of threat	Ransomware, cryptovirus, file-locking virus
File Extension	.Sdjm
Encryption type	RSA 2048 + Salsa20
Ransom Note	_readme.txt
Amount of Ransom	$980 ($490 – 50% discount for payment within 72 hours)
Contact	support@sysmail.ch, helprestoremanager@airmail.cc
Genealogy	DJVU Ransomware
Aliases	Win32:CrypterX-gen [Trj]; A Variant Of Win32/Kryptik.HONW; Ransom:Win32/StopCrypt.PAZ!MTB; more detections VirusTotal
Distribution	Spam email attachments, RDP, pirated software, torrent websites, phishing sites, malicious weblinks etc…
Remediation Tool	In order to completely remove ransomware from your computer, you will need to install an antivirus software. We recommend using SpyHunter
Recovery Tool	The only effective method to restore files is to copy them from a saved backup. If you don’t have a suitable backup, you may use third-party recover software such as iBeesoft Data Recovery

How to Remove .Sdjm File Extension Ransomware?

Sdjm ransomware is a virus from the STOP/DJVU ransomware family – that encrypts your files and demands money to unencrypt them. The virus is usually distributed through an email that tells the user that he or she needs to update his or her drivers. If you click on the provided link, you will download and install Sdjm ransomware. Once installed, you will receive a message on your screen saying how much you need to pay in order for your files to be released. The price of the ransom varies from one copy of the virus to another, but it always remains high. The ransom is usually varies between 490 USD to 980 USD.

 

 

The message of the ransom note can state this:

ATTENTION!

Don’t worry, you can return all your files!
All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:
https://we.tl/t-bPgv29RUmq
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that’s price for you is $490.
Please note that you’ll never restore your data without payment.
Check your e-mail “Spam” or “Junk” folder if you don’t get answer more than 6 hours.

To get this software you need write on our e-mail:
support@sysmail.ch

Reserve e-mail address to contact us:
helprestoremanager@airmail.cc

How did I get infected with?

The distribution of the Sdjm ransomware virus is primarily carried via emails. These malicious emails usually come from other companies or individuals that offer some kind of service or product. These emails usually contain an attachment that you need to download in order to view the content. This could be a document, spreadsheet or some photo. In order for you to view this file, you need to download and install an update for some software that you might have on your computer as well as an update for your operating system. It is only after you have downloaded the attachments and installed them that you notice that your computer has been infected with the Sdjm ransomware virus.

 

Why is .Sdjm File Extension dangerous?

Ransomware is particularly dangerous for two reasons:

• First, it encrypts your data and locks them away behind strong password protection.
• Second, the hackers behind ransomware may not unlock your files even after you pay the ransom.

It is important to remove .Sdjm file extension virus once found on the computer. This infection is created for the purpose of generating money for its creators. It does it by encrypting all user’s files and after that asking to pay a ransom in order to decrypt them. There is no guarantee that you could get your files back even if you do what this malicious application requires from you, so removing .Sdjm file extension virus is essential.

Do not pay for Sdjm ransom!

Please, try to use the available backups, or Decrypter tools

.Sdjm File Extension Removal Instructions

STEP 1: Kill the Malicious Process

STEP 2: Reveal Hidden Files

STEP 3: Locate Startup Location

STEP 4: Recover .Sdjm File Extension Encrypted Files

STEP 1: Stop the malicious process using Windows Task Manager

• Open your task Manager by pressing CTRL+SHIFT+ESC keys simultaneously
• Locate the process of the ransomware. Have in mind that this is usually a random generated file.
• Before you kill the process, type the name on a text document for later reference.

• Locate any suspicious processes associated with .Sdjm File Extension encryption Virus.
• Right click on the process
• Open File Location
• End Process
• Delete the directories with the suspicious files.
• Have in mind that the process can be hiding and very difficult to detect

STEP 2: Reveal Hidden Files

• Open any folder
• Click on “Organize” button
  
• Choose “Folder and Search Options”
• Select the “View” tab
• Select “Show hidden files and folders” option
• Uncheck “Hide protected operating system files”
• Click “Apply” and “OK” button

STEP 3: Locate .Sdjm File Extension encryption Virus startup location

• Once the operating system loads press simultaneously the Windows Logo Button and the R key.

• A dialog box should open. Type “Regedit”
• WARNING! be very careful when editing the Microsoft Windows Registry as this may render the system broken.

Depending on your OS (x86 or x64) navigate to:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run]

• and delete the display Name: [RANDOM]

• Then open your explorer and navigate to:

Navigate to your %appdata% folder and delete the executable.

You can alternatively use your msconfig windows program to double check the execution point of the virus. Please, have in mind that the names in your machine might be different as they might be generated randomly, that’s why you should run any professional scanner to identify malicious files.

Do NOT send money for decrypt of “Sdjm” files!

The cyber criminals behind Sdjm ransomware guarantee to send you the code after you pay. However, all you’ve got is a promise from bad people. You have no warranty whatsoever. We recommend not to rely on words of internet criminals. If you pay this will continue to happen.

 

STEP 4: How to recover encrypted files?

• Method 1: The first and best method is to restore your data from a recent backup, in case that you have one.

• Method 2: File Recovery Software – Usually when the ransomware encrypts a file it first makes a copy of it, encrypts the copy, and then deletes the original. Due to this you may try to use file recovery software like iBeesoft Data Recovery to try recover some of your original files.
• Method 3: Shadow Volume Copies – As a last resort, you can try to restore your files via Shadow Volume Copies. Open the Shadow Explorer part of the package and choose the Drive you want to recover. Right click on any file you want to restore and click Export on it.
• If by any chance you did not have internet access when the encryption took place, you can try to recover them by using Emsisoft Decryptor for STOP Djvu decryption tool using the Emsisoft Decryptor for STOP Djvu.
• Wait for Antivirus companies to create an Sdjm file decryptor.