Viruses are an integral part of the life of the modern computer user. Especially suffer from them, users of the Windows operating system from Microsoft. Of course, there are viruses for other operating systems, but they are much smaller. Such systems as MacOS and Linux are more secure from intrusion and loss of user files. Recently on the Internet there is a new virus-the Trojan XTBL. How to decode the lost data and generally to protect themselves from this virus? This question we analyze below.
XTBL — is a virus that uses encryption code 1024 bits. Getting on the computer, he remotely encrypt user files. Mostly affects music and photos. After the encryption process the files have extension ".xtbl”, and open them anymore. It is useless to try to rename the files with the file extension “.xtbl”. If you make such an attempt, they will be immediately deleted by the virus. And forever.
The User receives a system message that it is encrypted and offer to read file "Readme.txt” for more information. And this file contains instructions for the transcript. And it says that the user needs to send certain amount to the specified address. And in response it will send the key and XTBL decoder. Although usually nothing to send.
Here is a brief description of the virus. Agree, pretty frustrating to pay a large sum for some unknown reason. At the moment XTBL is the most dangerous virus as free anti-virus software it can not determine. And giants such as NOD or Kaspersky can detect it only if it is not modified.
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There are several ways to “hook” XTBL. They are particularly relevant for Windows users. Because the virus is usually hidden in executable files with the extension “.exe”, “.scr” or “.bat”. Users of Linux or MacOS, life is much easier, as these extensions just are not supported in their OS. Thus, the basic ways of infection:
These are the basic ways of infection. Remember, if the email sent to you you see the attached document, "Report.doc.exe”, in no case do not open it. There may be a XTBL file virus. Well, of course, do not even go to questionable sites and download pirated software.
The algorithm of the virus is based on remote encrypted data. After penetration, the virus quietly encrypts individual files. At the beginning of the process can still be stopped. Just kill the process in Windows task Manager. After that, you need to clean the system with special programs, but not to any antivirus will do. Removal need some powerful product-type virus.
The Virus XTBL uses the encoding of 1024 bits. To decrypt the result of his malicious work impossible. The selection of a combination of decryption will take thirty years. If you try to rename the encrypted file XTBL in some “normal” the format of the file. And not in the trash without any warning. Therefore, if you are the victim it is not necessary to carry out any manipulations with encrypted information.
After a successful file encryption virus samolikvidirovalsja. That is why it is then impossible to detect. And you “gift” remains the format ".xtbl”, which cannot be opened by any existing programs. Unlike similar viruses, XTBL uses “advanced” algorithm encoding. Besides, apparently, the key for decryption is generated using the computer name. It is therefore not help a standard program to decrypt. Even the antivirus giants there is no decryption algorithm impacts XTBL. Simply put, if your XTBL files are encrypted virus, then you are unlikely something will help.
Some modifications XTBL besides can delete the backup point OS. So use the “Previous versions of files” it may not happen.
Unfortunately, the particular effective ways to eliminate the consequences of the virus does not exist. Normal and stable XTBL decoder is not found, it exists in nature. Moreover, the virus permanently modificeres, and in some cases it is even difficult to determine.
The Only thing you can do after a successful virus removal, — to contact the experts in recovering information. But here nobody will give you an absolute guarantee of the return of all of your files. Usually this method only helps 70% of users. But this is a good result.
If you have backups, it shouldn't be a problem. Enough “cure” XTBL One of the most powerful antivirus. You can then proceed to restore files from a backup. If your not, then you can usea standard feature of Windows «Previous versions of files”. Of course, the chances of success are very few. A few manage to overcome the virus XTBL. How to decode it, “creativity”, still not really known. But we should not lose hope that one day the tools will be developed to decode.
An Absolute guarantee of protection from malicious programs do not give any antivirus. Even the coolest. To prevent the effects of virus infection need to regularly create backup copies of files (backups). Importantly, it is not too late. If you try to copy the file XTBL, the virus immediately deletes it.
Backups are best created in specialized programs because they use a file format that can not hit no virus. Besides, not store it on the computer. It is advisable to write to the disk to avoid possible contamination.
To protect against this virus is recommended to use the software products, already proven in the market of antivirus systems. For example, Kaspersky, NOD 32 or Dr. Web. Of course, they paid. However, in the presence of a paid license, these companies can not only help with protection. If your files are encrypted XTBL-virus, they can try to create a special decoder specially for you. Definitely, such a service is worth the money spent.
To cure and remove the virus XTBL, the first thing you need to load the operating system in safe mode. All subsequent operations should be performed only in it. After that you should run the antivirus and choose “deep” scan. The process, of course, will be delayed for a couple of hours at least, but there is hope for finding and removing virus. Files with the file extension “.xtbl» anti-virus considers it a threat. So they are not going anywhere, and eventually you'll be able to attempt the decryption.
The Virus XTBL not the only one. Although the “cool”. Now there are plenty of ransomware. All kinds of "lockers" by hook or by crook trying to get money from ordinary users.
Some time ago there was a popular “SMS locker”, also encrypts the user's files. But unlike XTBL his goal was and system files. One “lovely” day when you turn on the computer and the OS boots, the user will see a system message about blocking and notes on the expulsion of the money. The computer does not turn on. But with these viruses, it was much easier. Helped the banal reinstallation of the OS unlike XTBL. How to decrypt the files, did not have to think.
As you can see, viruses in the computer world a huge amount. Some do not bring any tangible harm and look completely harmless. But some “monsters” can make “sweat”, raking the consequences of their work. Importantly, do not forget about safety precautions and to perform simple prevention of infection.
Well if you “hook” any virus. And if anything serious type XTBL? How to decode it “the Doodle” is, we understand, of course, the odds are low, but they are there!
Article in other languages:
AR: https://tostpost.com/ar/computers/2324-xtbl-xtbl.html
BE: https://tostpost.com/be/kamputary/4110-xtbl-yak-rasshyfravac-v-rus-shyfraval-shchyk-xtbl.html
DE: https://tostpost.com/de/computer/4109-xtbl-wie-entschl-sseln-virus-schl-ler-xtbl.html
HI: https://tostpost.com/hi/computers/2325-xtbl---xtbl.html
JA: https://tostpost.com/ja/computers/2324-xtbl--cryptographer-xtbl.html
KK: https://tostpost.com/kk/komp-yuterler/4112-xtbl-alay-taldau-kerek-virus-shifrlaushy-xtbl.html
PL: https://tostpost.com/pl/komputery/4114-xtbl-jak-rozszyfrowa-wirus-shifroval-schik-xtbl.html
PT: https://tostpost.com/pt/computadores/4111-xtbl-como-decifrar-v-rus-shifroval-schik-xtbl.html
TR: https://tostpost.com/tr/bilgisayarlar/4117-xtbl-de-ifre-etmek-nas-l-vir-s-kriptoloji-xtbl.html
UK: https://tostpost.com/uk/komp-yuteri/4114-xtbl-yak-rozshifruvati-v-rus-shifruval-nik-xtbl.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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