This article aims to help you remove the DagaCrypt Mobef ransomware variant from your computer and restore files encrypted by it.

A ransomware virus believed to be a part of the Mobef ransomware viruses, has been reported to add a blue lockscreen message in which it demands a hefty payoff in Bitcoin to restore files encrypted by it. The virus also performs multiple other modifications on the infected computer such as apply the encryption via RSA and AES encryption algorithms. In case you have been infected by this ransomware virus, we strongly suggest you read the below mentioned material.

Threat Summary

Name	DagaCrypt
Type	Ransomware
Short Description	The ransomware encrypts files with the RSA algorithm and AES-128 ciphers and asks a ransom for decryption.
Symptoms	Files are encrypted and become inaccessible. A ransom note with instructions for paying the ransom shows as a .txt file.
Distribution Method	Spam Emails, Email Attachments, File Sharing Networks.
Detection Tool	See If Your System Has Been Affected by DagaCrypt Download Malware Removal Tool
User Experience	Join our forum to Discuss Mobef Ransomware.

DagaCrypt Ransomware – How Is It Spread

In order to infect users on a massive scale, the DagaCrypt ransomware virus may be spread via multiple different techniques, the main of which is via spammed e-mail messages which contain either malicious e-mail attachments or malicious web links uploaded online. These both may be accompanied by deceitful e-mails, like the ones below:

In addition to this there are other methods by which one can become a victim of DagaCrypt ransomware. One of those tools is via fake installers or programs which are uploaded on shady websites.

DagaCrypt Ransomware – Malicious Activity

As soon as infection has commenced, DagaCrypt may drop multiple different files on the infected computer. They may have the following names:

• 44.tmp.exe
• Ransom.Daga.exe
• Tmp.exe

After these files are dropped on the infected computer, the ransomware may begin to interfere with the Windows Registry Editor, meaning that It may modify values or add new strings within the Windows registry editor. The usually targeted Registry sub-key may be the following:

→ HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\

DagaCrypt Ransomware – Encryption Process

For the encryption process of DagaCrypt ransomware to be successful, the virus may use a combination of AES and RSA encryption algorithms, similar to other Mobef variants. DagaCrypt may be pre-configured to target the following Windows file types for encryption.

→ .3ds .4db .4dd .7z .7zip .accdb .accdt .aep .aes .ai .alk .arj .axx .bak .bpw .cdr .cer .crp .crt .csv .db .dbf .dbx .der .doc .docm .docx .dot .dotm .dotx .drc .dwfx .dwg .dwk .dxf .eml .enz .fdb .flk .flka .flkb .flkw .flwa .gdb .gho .gpg .gxk .hid .hid2 .idx .ifx .iso .k2p .kdb .kdbx .key .ksd .max .mdb .mdf .mpd .mpp .myo .nba .nbf .nsf .nv2 .odb .odp .ods .odt .ofx .ost .p12 .pdb .pdf .pfx .pgp .ppj .pps .ppsx .ppt .pptx .prproj .psd .pst .psw .qba .qbb .qbo .qbw .qfx .qif .rar .raw .rfp .rpt .rsa .rtf .saj .sdc .sdf .sef .sko .sql .sqlite .sxc .tar .tax .tbl .tc .tib .txt .wdb .xbrl .xls .xlsm .xlsx .xml .zip

After the encryption process is complete the files become no longer openable and DagaCrypt adds a custom image with it’s ransom note, which has the following content:

What happened to your files ?
All of your files were protected by a strong encryption.
For more specific instructions, please send us an Bitmessage
you can download here – https//bitmessage.org
on this address BM-NBZnSfSEioDnWmVBGGYiSsqijoBTfAhi
m WARNING m
PLEASE DON’T DELETE THIS FILE IF YOU WANT RECOVER YOUR FILES: C:\Windows\62348433.log

Remove DagaCrypt and Restore Files Encrypted by It

Before removing DagaCrypt from your computer, it is strongly advisable to backup the encrypted files prior to the removal. Then, we recommend you to follow the removal instructions below. In case manual removal is not an option, experts always advise using an advanced anti-malware program to automatically take care of DagaCrypt ransomware.

In case you want to restore files encrypted by this virus, we strongly suggest following the instructions in step “2. Restore files encrypted by DagaCrypt below”.

Manually delete DagaCrypt from your computer

Note! Substantial notification about the DagaCrypt threat: Manual removal of DagaCrypt requires interference with system files and registries. Thus, it can cause damage to your PC. Even if your computer skills are not at a professional level, don’t worry. You can do the removal yourself just in 5 minutes, using a malware removal tool.

1. Boot Your PC In Safe Mode to isolate and remove DagaCrypt files and objects.

Boot Your PC Into Safe Mode

1. For Windows 7,XP and Vista. 2. For Windows 8, 8.1 and 10.

For Windows XP, Vista, 7 systems:

1. Remove all CDs and DVDs, and then Restart your PC from the “Start” menu.
2. Select one of the two options provided below:

– For PCs with a single operating system: Press “F8” repeatedly after the first boot screen shows up during the restart of your computer. In case the Windows logo appears on the screen, you have to repeat the same task again.

– For PCs with multiple operating systems: Тhe arrow keys will help you select the operating system you prefer to start in Safe Mode. Press “F8” just as described for a single operating system.

3. As the “Advanced Boot Options” screen appears, select the Safe Mode option you want using the arrow keys. As you make your selection, press “Enter“.

4. Log on to your computer using your administrator account

While your computer is in Safe Mode, the words “Safe Mode” will appear in all four corners of your screen.

Step 1: Open the Start Menu

Step 2: Whilst holding down Shift button, click on Power and then click on Restart.
Step 3: After reboot, the aftermentioned menu will appear. From there you should choose Troubleshoot.

Step 4: You will see the Troubleshoot menu. From this menu you can choose Advanced Options.

Step 5: After the Advanced Options menu appears, click on Startup Settings.

Step 6: Click on Restart.

Step 7: A menu will appear upon reboot. You should choose Safe Mode by pressing its corresponding number and the machine will restart.

2. Find malicious files created by DagaCrypt on your PC.

Find malicious files created by DagaCrypt

1. For Windows 8, 8.1 and 10. 2. For Windows 7,XP and Vista.

For Newer Windows Operating Systems

Step 1:

On your keyboard press  + R and write explorer.exe in the Run text box and then click on the Ok button.

Step 2:

Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.

Step 3:

Navigate to the search box in the top-right of your PC’s screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:

N.B. We recommend to wait for the green loading bar in the navination box to fill up in case the PC is looking for the file and hasn’t found it yet.

For Older Windows Operating Systems

In older Windows OS’s the conventional approach should be the effective one:

Step 1:

Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.

Step 2:

After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.

Step 3:

After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.

Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.

Automatically remove DagaCrypt by downloading an advanced anti-malware program

1. Remove DagaCrypt with SpyHunter Anti-Malware Tool

Remove DagaCrypt with SpyHunter Anti-Malware Tool

1. Install SpyHunter to scan for and remove DagaCrypt.2. Scan with SpyHunter to Detect and Remove DagaCrypt.

Step 1:Click on the “Download” button to proceed to SpyHunter’s download page.

Download

Malware Removal Tool

It is highly recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter.

Step 2: Guide yourself by the download instructions provided for each browser.
Step 3: After you have installed SpyHunter, wait for it to automatically update.

Step1: After the update process has finished, click on the ‘Scan Computer Now’ button.

Step2: After SpyHunter has finished scanning your PC for any DagaCrypt files, click on the ‘Fix Threats’ button to remove them automatically and permanently.

Step3: Once the intrusions on your PC have been removed, it is highly recommended to restart it.

2. Back up your data to secure it against infections and file encryption by DagaCrypt in the future

Back up your data to secure it against attacks in the future

IMPORTANT! Before reading the Windows backup instructions, we highly recommend to back up your data automatically with cloud backup and insure it against any type of data loss on your device, even the most severe. We recommend reading more about and downloading SOS Online Backup .

SOS Online Backup

To back up your files via Windows and prevent any future intrusions, follow these instructions:

1. For Windows 7 and earlier 1. For Windows 8, 8.1 and 10 1. Enabling the Windows Defense Feature (Previous Versions)

1-Click on Windows Start Menu

2-Type Backup And Restore
3-Open it and click on Set Up Backup

4-A window will appear asking you where to set up backup. You should have a flash drive or an external hard drive. Mark it by clicking on it with your mouse then click on Next.

5-On the next window, the system will ask you what do you want to backup. Choose the ‘Let Me Choose’ option and then click on Next.

6-Click on ‘Save settings and run backup’ on the next window in order to protect your files from possible attacks by DagaCrypt.

1-Press Windows button + R

2-In the window type ‘filehistory’ and press Enter

3-A File History window will appear. Click on ‘Configure file history settings’

4-The configuration menu for File History will appear. Click on ‘Turn On’. After its on, click on Select Drive in order to select the backup drive. It is recommended to choose an external HDD, SSD or a USB stick whose memory capacity is corresponding to the size of the files you want to backup.

5-Select the drive then click on ‘Ok’ in order to set up file backup and protect yourself from DagaCrypt.

1- Press Windows button + R keys.

2- A run windows should appear. In it type ‘sysdm.cpl’ and then click on Run.

3- A System Properties windows should appear. In it choose System Protection.

5- Click on Turn on system protection and select the size on the hard disk you want to utilize for system protection.
6- Click on Ok and you should see an indication in Protection settings that the protection from DagaCrypt is on.

Restoring a file via Windows Defense feature:
1-Right-click on the encrypted file, then choose Properties.

2-Click on the Previous Versions tab and then mark the last version of the file.

3-Click on Apply and Ok and the file encrypted by DagaCrypt should be restored.

After you have removed Philadelphia ransomware, you might as well begin decrypting files. To do this follow the below-mentioned steps:

Step 1: Download Stampado Decrypter. Being a variant of the Stampado viruses, Philadelphia can be decrypted with EmsiSoft’s Stampado Decrypter. To download it for free, click on the button below and save it:

Step 2: Open the decrypter and choose which files to be decrypted. This can happen by either choosing the volumes on your hard drive (C:\; D:\) or by clicking on the Add Folder button to add your important folders so that the process is faster.

Step 3: Click on Decrypt and enter the e-mail address and your Identification number from your ransomware virus to help the decrypter set the variant and the decryption key for Philadelphia ransomware. After this is done, go back to the “Decrypter” tab and repeat the same process to start decrypting files.

Be patient, decryption may take some time. After every file is decrypted, you should see information about it on the decrypter.

Philadelphia Decryptor – Conclusion

After decrypting your files make sure you save them on an external drive and make more than one backup. For more professional approach on how to store your data safely, please check the following article:

Vencislav Krustev

A network administrator and malware researcher at SensorsTechForum with passion for discovery of new shifts and innovations in cyber security. Strong believer in basic education of every user towards online safety.

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