How to remove Aurora virus and restore encrypted files

If you've encountered a ransomware and you're certain that it is the Aurora virus – here you will find help. We propose plain and tested instructions for Aurora elimination and possible manners to get back the wasted data.

What is Aurora

Aurora can be considered a roadkill of a present society, and each PC operator knows that if you see the inscription “files are encrypted” – the things are turning bad. It’s a accurate reaction, unfortunately. An encrypting virus is the worst threat that you may meet in the Net as a regular man has no resources to eliminate it. The single situation when you can defeat ransomware is if you aren't facing a real virus, but a phoney, that blocks the display and tries to lure your money. In all other cases, if ransomware was created and adjusted in a proper method – you should just hope that ransomware researchers can beat it. If scammers committed an error, and a ransomware has some flaws, that give you an ability to restore files – we will explain to you what you can do in this article.



Bypassing the ransomware’s kind, the RSA and AES methods are overly complicated to bruteforce them. It it requires hundreds of years to make all required operations on a standard machine or, possibly, few decades if you have an access to an industrial computer. The best way to defeat a decent virus is to hack it, or break into the Command & Control website, to receive a master key. Some ransomware examples also have a breaker, allowing to cease virus' activity totally or to scare it off a particular device. If anyone finds that switch for Aurora, or publish a decryptor, we will give you full information in this article.

Let's find out, what do we know about Aurora? It consists of a totally legitimate cryptography algorithm that modifies the files on customer’s machine, so customer cannot utilize them in any manner. The key is also encrypted with another manner. Usually, these manners are AES and RSA, that are known for their complicacy and reliability. These manners and the software built upon them are freely available in the Net, so scammers only have to create protective techniques, to restrict an access to a ransomware, and make the perfect update and control pattern. Some viruses might work in standalone mode, and web-criminals get a report of another "client" as late as he contacts them and forwards his ransom. Other encrypting viruses are very active, and deliver reports to hundreds servers, to puzzle the researchers and maximize the work required to defeat a virus.


Here we've gathered a few alternatives to inspect, prior to yielding and waiting for a decryption tool. As it is stated above, scammers also fail, and certain specialties of your operating system may support you to get back the lost information.


  • A protected copy is the only 100% effective manner to restore the information, but you have to uninstall Aurora first. Ensure that Aurora is eliminated in full, because if it’s not – all info will be spoiled one more time, including those that are on an outer hard disc.
  • If you utilize an profile without administrator rights – you're very lucky. The thing is that your OS creates copies of all information until they’re deleted or changed. Those copies are known as the SVC, and the ransomware has the ways to delete them. If you are using the usual account – the system asks for a permission at the very moment Aurora starts to erase SVC. In case you saw such confirmation and ignored it – your SVC are safe, and you should use a specific tool to restore the information.


In case you tested both these opportunities and there is no chance to recover encrypted data – you should delete the virus from the PC and expect when a decryption tool will be developed.

How to remove Aurora

As for the deletion – there’s no possibility to entirely escape an automatic mode. The ransomware is very cunning and you might pass some remains and then regret it (for example, when you attach an external data storage with the backups to a not-fully-purged machine). It knows how to conceal very well, and you literally can't delete it entirely in manual mode. Here's your uninstall directions which will suit all your needs. It has a few manual phases and an optional AV software stage.

Removal instruction

If you are MAC user, follow this guide: how to decrypt files on MAC.




Step 1. Boot the system into safe mode

  • Press Start
  • Type Msconfig and press Enter

Safe mode. Step 1


  • Select Boot tab

Safe mode. Step 2



  • Select Safe boot and press Ok

More information about Safe mode: What is Safe Mode and how to boot computer in Safe Mode


Step 2. Show all hidden files and folders

  • Press Start
  • Click on Control Panel

Show hidden files. Step 1


  • Select Appearance and Personalization

Show hidden files. Step 2


  • Click on Folder Options
  • Select View tab
  • Select Show hidden files, folders and drives

Show hidden files. Step 3


  • Press Ok


Step 3. Remove virus files


Check next folders to find suspicious files:

  • %TEMP%
  • %ProgramData%


Step 4. Fix hosts file

  • Go to %SystemRoot%\System32\drivers\etc\ folder



  • Open hosts file using Notepad or other text editor
  • Delete suspicious elements
  • Basic hosts file looks like this:



Step 5. Clean registry (for experienced users)

  • Click Start
  • Type Regedit.exe and press Enter
  • Clean startup registry keys
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunServices
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit

Step 6. Scan computer with antivirus

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Step 7. Disable Safe Mode and restart computer

  • Press Start
  • Type Msconfig and press Enter
  • Select Boot tab
  • Remove the check near Safe boot

How to restore files

As you eliminated Aurora, you should try to do the info restoration. As we said in the paragraphs above, if you logged in from an administrator entry and you gave the ransomware a pass into the device – there is no manner to get back your information except for the backups. If you haven’t done this – you might have a chance, but it needs specific recovery software. The most efficient ones of them are ShadowExplorer and Recuva tools. They're easy to get on the registered pages of their creators, with thorough guides.

  • Click Start
  • Click Control Panel

Decrypt files. Step 1


  • Click System and Security

Decrypt files. Step 2


  • Select Backup and Restore

Decrypt files. Step 3


  • Select Restore files from backup
  • Select checkpoint to restore


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