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Danber. How to remove? (Uninstall guide)

removal by Julie Splinters - - | Type: Worms

Danber – a dangerous worm capable of multiplying itself fast

Danber virus
Danber is a dangerous worm that can replicate itself and spread to many computers without anybody noticing

Danber is a type of malware that is capable of replicating itself not only on the targeted computer but all devices connected to it through a network. The virus does not inflict damage to the machine itself. Instead, in plants multiple executables (.exe) files into the Windows and runs in the background. Soon after that W32.Danber worm[1] looks for other computers connected to the same networks and multiplies itself. As soon as malware establishes itself, it may attempt to download and install other malicious software, capable of inflicting damage to system files, stealing personal data and engage in other malicious activities.

Summary
Name Danber
Also known as W32.Danber
Type Worm
Distribution External devices, malicious or hacked websites, links on social media, etc.
Symptoms System and program errors, BSoDs, pop-ups, slow operation of the machine
Detection and elimination Use Reimage or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

The ultimate goal of Danber virus is to remain undetected, boot every time Windows is booted, protect other malware that gets installed on the machine, and, finally, take over the computer entirely. For that reason, the worm creates its copies in all drives, copies its main executable into %System%\DanbtR270414.exe and creates the following registry entry:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\”DanBtR270414″ = “%System%\DanBtR270414.exe”

Users most likely infect their computers with W32.Danber worm while connecting a contaminated external drive (such as a USB stick, memory card, DVD, etc.), or obtain it from the internet. Those who enjoy pirated software can also receive this little surprise because it can be embedded into any executable only. It is a well-known fact that file-sharing sites often host malware.

Because the primary goal of Danber malware is to remain hidden, it rarely exposes any symptoms. If anything, computer operation can be as healthy as usual. That is why it is essential to have security software installed (such as Reimage or Plumbytes Anti-MalwareMalwarebytes Malwarebytes) and continually perform system scans. Don't forget the real-time protection function to be on at all times. What is more, security software is essential for Danber removal, as it would be a too complicated task for a regular user.

In some cases you might experience the following symptoms of Danber infection:

  • overall sluggish performance of the PC;
  • BSoDs[2] occurance;
  • additional/unknown applications installed without your knowledge;
  • software shutting down or crashing suddenly;
  • questionablo pop-up messages appearing out of nowhere.

Regardless if you encounter any symptoms or not, you need to remove Danber as soon as possible, because as long as it remains on your computer, it poses a severe security threat. W32 can easily inject such cyber threats like ransomware, keyloggers, spyware and other unwanted programs.Danber worm without your knowledge.

Danber worm
Danber is a virus that is capable of injecting other malware into users'machines

Avoid dangerous malware online

It is essential to be wary when using the internet, as computer worms and various viruses were developed even before the internet as we know it was just being born – back in 1982 the Elk Cloner was first virus of its kind. When the world wide web was born, it only became much easier to spread the infections. Regardless of what many users think, the virus cannot get into the machine on its own – the trigger is always the human.

Therefore, make sure you stay alert. Do not connect any unknown external drives to your PC (typically, the AV engine would detect malware, so make sure you have one enabled), avoid questionable websites, such as file-sharing, torrent, cracked software and similar. Instead, download freeware from trusted sources and make sure you pay attention to the installation process accordingly.

Additionally, it is equally important to patch your system as soon as updates are out. Cybercriminals often abuse software vulnerabilities to their advantage.

Remove Danber worm from your system

 As we already mentioned, Danber virus can experience no symptoms at all. Therefore, some users might fail to detect it for months, and it can be too late. Thus, please do not delay Danber removal. To succeed, we recommend using reputable anti-virus tools, such as Reimage or Plumbytes Anti-MalwareMalwarebytes Malwarebytes. These applications are capable of disabling malware and reverting the caused damage.

Security researchers[3] warn not to try to remove Danber manually, as you will not succeed. Computer worms are complicated infections and only trained IT professionals are capable of manually restoring the computer back to normal. Thus, trust security software. By the way, in case the malware is blocking anti-virus program from starting, boot Windows in Safe Mode with Networking.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.

If you decided to select another anti-spyware, uninstall Reimage from your computer.
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Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Danber, follow these steps:

Remove Danber using Safe Mode with Networking

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Danber

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Danber removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Danber using System Restore

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Danber. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Danber removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Danber and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Julie Splinters
Julie Splinters - Malware removal specialist

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