How to remove Atchbo virus and restore encrypted files

Atchbo ransomware virus

The page is dedicated to virus called Atchbo which infects customers' PC around the world, and encrypts the files. In this article you can see important information on what is Atchbo, and the removal of Atchbo from the machine. In addition, we will explain how to get back the cyphered data, if possible.

Atchbo ransomware already penetrated thousands of computers around the world with help of easiest manner: fraud e-mails with dangerous attachments. Occasionally scammers use zero-day vulnerabilities to infect the PC, but well-known software companies quickly correct them. When infection takes place, ransomware inspects the hard disc to find the folders to be cyphered and their rough cost. Currently, any new ransomware knows how to encrypt image, text, audio and video info in all most used extensions. Extra attention is attracted to business information, since representatives of business are the main objective for fraudsters. Ransomware corrupts only information, and doesn't touch the programs, so that the victim can use his computer to pay the ransom. Encryption is carried out via well-known encryption algorithms, and its intricacy is so high that it can't be bruteforced. This is the reason for such an incredible efficiency of this sort of viruses in recent years: usual user, even if he has a fairly good knowledge of the computer, will never get back the files, and will need to pay the price. The sole way to get back the data is to crack the scammer's webpage and withdraw the encryption keys. Also there's a chance to get the keys via flaws in viruse's program code. The encrypted files get .exo extension, and the amount of ransom is 0.01 or 0.07 BTC.

The knowledge of computers is extremely substantial in our century, as it assists you to defend the machine from computer viruses. Statistically, 90% of users realize the importance of computer literacy just after ransomware infection. It's very easy to minimize the chances of getting encrypting virus by following these advices:

    • Take notice to the pop-up windows. The simplest method of information restoration is the restoration via Shadow Copies, and fraudsters have included the removal of SC into the basic functionality of malware. However deleting of copies needs administrator rights and verification from the user. Thus, not confirming alterations from a weird software at the right moment, you will reserve the way to restore all encrypted data free of charge.
    • Monitor the status of your laptop. It takes much of computing power to encrypt the information. When the Atchbo is starting to work, the CPU speed decreases, and the encrypting process emerges in Process Manager. You may catch this event and switch off the PC before information will be totally damaged. Of course, the certain amount of files will be damaged, but the rest of them will be safe.
    • Attentively study your mailbox, specifically the messages that have attached files. The very efficient template of scam e-mails is the notification about prize winning or package earning. You also should be watchful with business correspondence, particularly if the sender and the content is unknown. Bills for services or goods, lawsuits, summaries, appeals and other important documents do not be sent accidentally, and the addressee should know the sender. Otherwise, it is a scam.

Ransomware deletion is not answer to the whole issue - it's just a first step on the long road before the complete file recovery. If you delete malware, you won't get back the files instantly, it will take additional actions written down in the following section. In case of ransomware we don't provide the by-hand uninstall instruction, since its complexity and the likeliness of mistakes will be too high for common user. High class ransomware can't be uninstalled even with help of antivirus-software, and have lots of effective mechanics of security. Modern encrypting viruses can totally delete encrypted information, or some of it, when trying to uninstall the program. This is very undesirable, and the below paragraph will assist you to deal with 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


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 ransomware from the system, it only remains to restore the polluted data. Actually, this is not about decryption, because the encryption manners owned by scammers are very complex. There are the some chances, but generally file recovery takes plenty of time and efforts. If you're very interested in the independent information restore - take a look at our item, which shows all the easiest ways.

To restore information, follow the article about files decryption.

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