How to remove Aleta virus and restore encrypted files

Aleta ransomware virus

Aleta is the undesired program infecting machines mostly with help of Trojans and phishing e-mails. Sometimes hackers use exploits to take control over the PC, but they are quickly corrected. After the infection, the virus scans the PC memory to find the folders to be cyphered and their general value. Nowadays, each new ransomware is able to encrypt video, image, audio and text info in all most used formats. Special attention is attracted to businesslike information, because businessmen are the priority target for scammers. Ransomware encrypts only information, and doesn't touch the programs, so that the user can pay the ransom through an infected PC. The operation is executed via world-known encryption algorithms, and it is so complicated that that it cannot be bruteforced. Such complexity is the ground for such a stunning efficiency of this kind of viruses in last years: an ordinary customer, even having a very good experience in suchlike things, won't ever decrypt the files, and will have no choice except paying to scammers. The only way to recover the information is to hack the scammer's webpage and get the master key. Also there's a way to retrieve the keys due to faults in the code of the virus itself. The encrypted files acquire .aleta extension.

The item is about Aleta virus that infects machines around the world, and cyphers the files. In this page we've assembled full information on what is Aleta, and how to remove Aleta from your system. Furthermore, we will tell you how to get back the cyphered files and is it possible.

There is one thing in common between all kinds of computer viruses: it's much easier to avoid it than to neutralize its consequences. Statistically, most people realize the importance of computer knowledge just when ransomware takes over their computers. To shield your information, you must understand these few elementary regulations:

    • Don't admit any changes to your PC, originating from weird software. If the PC is infected by ransomware, it will try to eliminate the shadow copies of the files, to make the decryption impossible. Anyway, deletion of shadow copies requires administrator rights and acceptance from the user. Thus, if you don't accept alterations from a suspicious program at the proper time, you will keep the opportunity to restore all corrupted data for free.
    • Attentively examine your mailbox, specifically the messages which have attached files. If you don't know who send the letter and it is about receiving some prize, a lost package or something similar, this could be ransomware. The #2 popular type of scam letters is a "business letters". It is OK to be interested and read the letter even if it's sent to the improper address, but don't forget that a single click on the attached file may cost you lots of headache, money and time.
    • Do not neglect the symptoms that your hardware or software shows. It requires a big part of computing power to encode the files. If you mention a significant reduction in workstation power or notice a unknown process in the Process Manager, you need to shut down the PC, launch it in safe mode, and search for ransomware. These measures, in case of penetration, will save some of your files.

You should understand that deleting ransomware is only the, first turn, which is obligatory for the standard operation of the workstation. To restore the information you will need to follow the tips in the following section of this article. To deelete the malware, user has to launch the PC at safe mode and check it with antivirus. We don't suggest anyone to delete ransomware manually, since it has various security features which could counteract you. Some ransomware can fully remove corrupted information, or part of it, when trying to delete the virus. To avoid this, follow the advices under this paragraph.

Removal instruction

Step 1. Boot into Safe mode

Safe mode

Start -> Msconfig.exe

Safe mode. Step 1

On the tab Boot select Safe boot

Safe mode. Step 2

Step 2. Check Startup folder

Start -> Msconfig.exe ->Disable unknown programs in the Startup tab


Step 3. Check hosts file

Modify hosts file, that located in C:\Windows\System32\drivers\etc\ .

Hosts file.Step 1

Open the file with Notepad and delete suspicious strings.

Hosts file.Step 2

It has to look like this:

Hosts file.Step 3

Step 4. Scan the system with antiviral scanner


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Step 5. Disable Safe mode

Start -> Msconfig.exe ->Disable Safe boot in the Boot tab

Deactivate Safe mode

If you made all steps, mentioned in above paragraph - it's time to decypher the information. Actually, this is not about decryption, as the encryption manners used by web-criminals are too complex. Usually, to recover the files, you should ask for assistance on targeted forums or from celebrated virus researchers and AV program manufacturers. If you choose the by-hand file restore - read this article, which describes all the easiest ways.

To restore information, follow the article about files decryption.

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