How to remove Black ransomware and restore .black files

Black ransomware virus

This entry is dedicated to ransomware called Black which penetrates systems in all countries of the world, and cyphers the files. Here we've compiled complete info on what is Black, and how to uninstall Black from your computer. Besides, we will teach you how to restore the corrupted files and is it possible.

Black ransomware already penetrated hundreds of computers around the world via most effective method: scam e-mails with dangerous attachments. Sometimes scammers use exploits to take control over the PC, but they are promptly corrected. When infection is done, the virus checks the hard drive to find the folders for encryption and their rough price. At the moment, each new virus knows how to encrypt text, audio, image and video information in all popular extensions. Ransomware corrupts all files, but those that look like business records go first. All programs in the system will be untouched because criminals are interested only in information. The operation is carried out with the help of well-known RSA and AES algorithms, and its intricacy is so high that it can't be bruteforced. Such complexity is the basis for unbelievable success of this sort of viruses in last years: common PC operator, even if he has a fairly high knowledge of the PC, will never be able to restore the files, and will have no choice except paying the ransom. The sole method to decrypt files is to hack the scam website and get the master key. Also there's a way to retrieve the keys via defects in the code of the virus itself. The corrupted files acquire .black extension.

The knowledge of computers is extremely significant in modern world, as it assists you to protect the laptop from computer viruses. For encrypting viruses it's most relevant, since, unlike normal viruses, after uninstalling ransomware from the PC, the effects of its doings do not disappear anywhere. To guard yourself, you must keep in mind a three simple regulations:

    • Don't neglect the signs that your computer displays. Data encrypting is a complicated act that consumes a lot of computer resources. When the malware is starting to work, the CPU speed decreases, and the encrypting process is visible in Process Manager. You can catch this moment and shut down the workstation before files will be completely damaged. These measures, if the PC is really infected, will save a lot of your information.
    • Carefully inspect your emails, particularly the messages which have attached files. If you don't know who send the message and it tells about earning some prize, a lost parcel or anything like that, this might be a scam letter. The second most efficient kind of these letters is a "business letters". summaries, lawsuits, Invoices for services or products, claims and other important information don't be sent accidentally, and the receiver should know the sender. Otherwise, it is a fraud.
    • Heed to the dialog boxes. The most efficient manner of data restoration is the recovery through Shadow Copies, so scammers have included the deletion of those copies into the primary features of ransomware. However removal of copies needs admin rights and your verification. If you'll stop for a moment before accepting the changes, it can save your information and your time.

Virus uninstalling is not answer to the whole problem - it's only a one step on the long road until the complete file restoration. To decrypt the files you should read the instructions in the next paragraph of this entry. In case of encrypting virus we do not give the hand removal tips, because its complexity and the likeliness of mistakes appears to be extremely high for common user. We don't advise trying to delete the virus in manual mode, since it has numerous defensive features which can counteract you. Some ransomware are able to fully delete encrypted data, or some of it, when trying to eliminate the virus. To neutralize this, abide to the instructions below.

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 performed all steps, described in previous paragraph - it's time to recover the data. In fact, this is not literally decipherment, as the encryption algorithms used by fraudsters are extremely complex. Generally, to restore the information, the user has to ask for support on specialized forums or from famous ransomware fighters and antivirus program vendors. If you can't linger and are ready to get back the data manually - here's the useful article on that topic.

To restore information, follow the article about files decryption.

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