How to remove Dalle virus and restore encrypted files

Guide how to delete Dalle virus and decrypt files corrupted by ransomware. Effective antivirus and programs that can restore lost information.

Ransomware can be considered a bogey of a present society, and everyone knows that if you see the inscription “files are encrypted” – the things are going ugly. It’s a true, by the way. Dalle infection is the ugliest thing that can happen to you in the Web since a common person literally can't get rid of it. The exclusive case when you're able to beat ransomware is when you’re not dealing with a true one, but an imitation, that covers the display and tries to deceive you into paying a ransom. In all other cases, if ransomware was created and secured in a proper method – you should only trust that ransomware fighters can defeat it. If scammers failed somehow, and a virus has some flaws, which allow you to recover data – we will tell to you what you can do on this page.



So, what do we know about ransomware? It consists of a totally legal coding system which modifies all data on operator’s machine and makes them useless if you have no key. Of course, a key is also encrypted with another manner. Usually, these algorithms are AES and RSA, that have asserted themselves the very hard-to decrypt and reliable. These methods and the tools built upon them are freely available on the Internet, so web-criminals only have to develop defensive mechanisms, to restrict an access to a virus, and make the safe update and control scheme. Some encrypting programs just act in standalone mode, and web-criminals know about another victim only when he approaches them and sends the funds. The complex ransomwares are more active, and transmit data to thousands servers, to confuse the researchers and throw them off virus’ track.

Bypassing the virus' sort, the AES and RSA algorithms are too complex to bruteforce them. It it requires hundreds of years to make all necessary calculations on a standard machine or, maybe, 3-4 decades in case of usage of an industrial computer. We know only two basic methods to defeat an encrypting virus: to hack it, or break into its database, to find a master key. In rare cases there is a switch, allowing to stop virus' activity in full or to make it pass a particular computer. If anyone finds such switch for this ransomware, or create a decryption tool, we'll update this article.


There are some possibilities to check, before yielding and expecting for a decryption tool. As it is written above, swindlers also fail, and certain characteristics of the operating system might help you to restore data.


  • A backup is the sole fully effective way to get your information back, but you should get rid of a virus first. Make sure that Dalle is deleted fully, as if it isn't – all information will be encrypted again, including those that are on a flash disc.
  • If you employ an profile with no administrator authorization – today’s your fortunate day. The matter is that the operating system duplicates all data prior to their removal or modification. Those copies are known as the Shadow Volume Copies, and Dalle has the manners to remove them. If you're employing the user's account – the system requests for a authorization at the exact second Dalle starts to erase SVC. In case you saw such window and reversed it – then the copies are safe, and might be used to recover the information.


In case you examined both these things and there is no chance to get back your information – you have to remove Dalle from the machine and expect when a decryption software will be developed.

How to remove Dalle

Unfortunately, you can't completely elude an automatic mode. Dalle is incredibly stealthy and there is a chance pass some remains and then suffer from it (it might happen if you line up a flash data storage with your saved information to a not-fully-cleared device). It knows how to hide pretty good, and you just won’t have a chance to get rid of it totally in manual mode. Knowing this, we have created a good uninstall guide that will suit all your needs. It has some by-hand steps 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

Here's Spyhunter AV tool that is not just effective, but also swift and constantly evolving software that can clean the system of all dangerous programs. Click the link under this paragraph to use it and get rid of the ransomware.


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SpyHunter scanner detects threats and malware for free, but to remove infected elements you need to purchase a full version of program for 39.99$. More information about Spyhunter, EULA and Privacy policy.


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 eliminated the virus, you should try to do some data restoration. As you know now, if you use an administrator account and you granted Dalle a pass to the device – there is no method to recover your information save for the backups. If you don't remember this – you still have some chances, but it needs specific recovery tool. We recommend you to try Recuva or ShadowExplorer programs. They're easy to get on their official pages, 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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