How to remove Tornado virus and restore encrypted files

The page is dedicated to ransomware called Tornado that gets into customers' laptops in diverse countries of the world, and corrupts their data. Here we've gathered full info about Tornado's essence, and the deletion of Tornado from the computer. In addition, we'll teach you how to get back the corrupted files, if possible.

Tornado ransomware had penetrated many machines around the world with help of basic way: scam e-mails with dangerous attachments. Also, scammers use zero-day vulnerabilities to penetrate the computer, but well-known software companies promptly fix them. When infection is done, the virus scans the PC memory to find the files for encryption and their rough worth. Currently, each new virus is able to encrypt text, image, audio and video info in all most used formats. Tornado encrypts all files, but the ones that look like business records go first. All programs in the system will be unaffected because criminals are interested only in information. The operation is made via well-known RSA and AES algorithms, and its intricacy is so high that it cannot be bruteforced. Such complexity gives root for such a stunning effectuality of this sort of viruses in recent years: an ordinary PC operator, even having a pretty good experience in suchlike things, will never get back the data, and will be forced to pay the price. The only method to decrypt files is to crack the fraudster's webpage and obtain the encryption keys. Sometimes it is possible to withdraw the keys via faults in viruse's program code.

The computer knowledge is quite significant in our world, as it helps you to protect the laptop from computer viruses. For encrypting programs this is very important, because, unlike common dangerous programs, when you eliminate ransomware from the system, the fruits of its actions do not disappear anywhere. You easily can reduce the chances of getting encrypting virus if you'll follow these principles:

    • Be careful with the messages which contain data. If you don't know who send an e-mail and it notifies about winning any prize, a lost parcel or anything similar, this is most likely a scam message. You also should keep an eye on business correspondence, especially if the sender and the content is unknown. It is OK to be interested and open the e-mail even if it is obviously not for you, but remember that a single click on the attached file may cost you a lot of time, headache and money.
    • Don't disregard the symptoms that your laptop shows. Data encrypting is a sophisticated operation that requires a high amount of computer resources. When the Tornado is starting to operate, the CPU performance decreases, and the encryption process appears in Process Manager. You may recognize this moment and shut down the PC before information will be fully encrypted. Surely, some data will be damaged, but you will have the other part.
    • Don't admit any changes to your system, originating from weird software. The simplest method of file restoration is the recovery through Shadow Copies, so scammers have included the elimination of those copies into the basic functionality of ransomware. However deleting of shadow copies requires admin rights and your acceptance. Thus, if you don't confirm changes from a weird program at the right moment, you will reserve the opportunity to decrypt all lost information for free.

Virus uninstalling isn't the happy end - it's only a first step in the long road before the total data restoration. To get back the information you will need to read the instructions in the below paragraph of this entry. To remove Tornado, you need to boot the machine in safe mode and run the scanning via antivirus program. High class viruses can't be deleted even through antivirus-program, and have other serious mechanics of protection. The most common ransomware protection manner is the removal of files in case of file recovery or malware removal attempt. This is extremely unwanted, and the below instruction will help you to avoid it.

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

Startup

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

After removing the virus from the workstation, you just need to get back the corrupted information. In fact, this is not about decryption, as the encrypting methods used by fraudsters are too complicated. There are the certain chances, but usually file recovery needs plenty of time and efforts. If you're more interested in the by-hand data restore - read this entry, which describes all the easiest manners: article about files decryption.

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