How to remove .Arrow and restore encrypted files

If you fell a victim of a ransomware and you know that it’s the Arrow ransomware – on this page you'll find help. We offer plain and effective advice for Arrow uninstalling and possible ways to get back the encrypted information.

What is Arrow

Arrow is a roadkill of mankind, and every user knows that if you can not access the information and you see a ransom note – the things are going ugly. It’s a accurate reaction, unfortunately. Arrow threat is the worst threat that you may meet in the Web because a common man has no resources to eliminate it. The exclusive event when you're able to defeat an encrypting virus is if you are not dealing with a true virus, but an imitation, that covers your display and attempts to trick you into paying a ransom. In all other cases, if a virus was developed and secured in a proper method – you should just trust that malware researchers will defeat it. If scammers failed somehow, and there are some vulnerabilities, that allow you to recover files – you'll find an answer in this entry.



Ransomware kind doesn't actually matter, as the AES and RSA algorithms are overly tricky difficult to hack them directly. It it requires thousands of years to carry out all necessary calculations on a usual computer or, possibly, 2-3 decades in case of usage of a mega-powerful gear. The best way to defeat a good encrypting malware is to hack it, or hack its database, to receive a master key. Some ransomware examples also have a breaker that can cease ransomware's operation in full or to leave unscathed a particular computer. If someone discovers that breaker for this virus, or make a decryption tool, we will update this guide.


So, what is ransomware? It consists of an absolutely legal cryptography system which changes the data on customer’s computer, so user cannot use them in any manner. Of course, a key is also encrypted with another method. As usual, web-criminals choose RSA and AES manners, that have asserted themselves the most hard-to decrypt and fail-safe. The mentioned algorithms and the software built upon them can be easily found in the Net, so swindlers only need to add techniques of defense, to restrict an inlet to a virus, and create the safe control and update scheme. Some viruses can work on their own, and fraudsters know of another victim not before he approaches them and transmits the ransom. Other ransomwares are very active, and deliver reports to thousands servers, to confuse the researchers and throw them off virus’ track.


There are some possibilities to check, before giving in and waiting for a decryptor. As it is stated above, scammers make failures, and some specialties of your operating system might serve you to recover files.


  • If you've made a copy of your information, kept on an external media – just uninstall Arrow and upload it. Ensure that Arrow is removed fully, because if it isn't – all data will be encrypted again, with the files that are on a flash disc.
  • If you utilize an account without administrator rights – it's time to compliment yourself. The point is that your operating system duplicates all information until they’re destroyed or changed. Suchlike files are called Shadow Volume Copies, and Arrow has the manners to erase them. If you're employing the usual account – the OS requests for a authorization at the exact second Arrow attempts to delete SVC. In case you saw suchlike window and declined it – your SVC are fine, and you should find a specific software to recover the information.


If all of these hints didn't work and you have no chance to get back lost information – you should uninstall the virus from the device and expect when a decryptor will be created.

How to remove Arrow

Unfortunately, you can't completely elude an automatic mode. The virus is very stealthy and you could pass some remains and then suffer from it (for instance, when you line up a flash drive with the saved data to a not-really-cleared device). It knows how to hide pretty good, and you literally won’t be able to uninstall it entirely with your own hands. Here's your deletion directions which will help you to get rid of this problem. It has some manual stages and one extra AV program 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

Since you removed Arrow, you should try to do some file restoration. As we said in the paragraphs above, if you use an admin account and you permitted Arrow a pass into the system – there is no method to recover the data save for the backups. If you haven’t done this – you still have some chances, but it needs topical recovery software. The best ones of them are Recuva or ShadowExplorer tools. They're simple to find on the official 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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