About Kcbu
Kcbu is classified by our virus analyst team as the DJVU cryptoware genus. Another variants of this family here: About STOP/Djvu Ransomware. There are certain protection programs that ignore it as well as therefore letting its invasion. Actually, we have to term it that way, because of the “.kcbu” extension that it attaches at the end of your records.
Let’s clarify. Kcbu infection assaults your PC through slyness and knack also. After that, once intruded it applies AES or RSA enciphering methods to lock your records.
Kcbu encrypted your files, but that might not be the only damage done to you. The viruses might still be in your computer. To remove them, we suggest downloading GridinSoft Anti-Malware.
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Then, they blackmail you for their decode. After Kcbu slips right into your device, it places every one of your documents under isolation. It joins its very peculiar extension “.kcbu” at the end, thus making data isolated.
Files with “.kcbu” extension appended by the Kcbu virus:
![.kcbu Files](https://trojan-killer.net/wp-content/uploads/2022/11/Kcbu-files-virus.jpg)
It targets data, folders, images, songs, videos, all of it! Thereafter, you can’t longer access them. Shifting documents or retitling it will not facilitate. Exclusive remedy to unblocke your data from the ransomware’s keep is decryption. The virus intended you to send redemption currency if you wish to get your documents back. It makes that clear (in the blackmail text) it will decipher data after payoff.
The note is generally a text file, left on your desktop. You can also locate it in any folder that includes encoded files. It describes your troubles and also suggests you a solution. According to Kcbu, the only means to unblock your files is with out-and-outer decryption key. And also, to obtain it you have to give a payoff. The sum is $980, as well as it’s normally asked for in cryptocurrency.
The file “_readme.txt” by the Kcbu ransomware states the following info:
ATTENTION! Don't worry, you can return all your files! All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-WbgTMF1Jmw Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: restorealldata@firemail.cc Reserve e-mail address to contact us: gorentos@bitmessage.ch Our Telegram account: @datarestore Your personal ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Do NOT send money for decrypt of “kcbu” files!
The Kcbu infection guarantees, to send you the key after you render. As well as, that’s it. That’s all you obtain – a promise. You have no assurances that obedience ends in something suitable. Do not bear on words of cyber crooks. That is people, that will cheat you. Do NOT disburse them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Kcbu?
Your PCs get corrupted with the Kcbu ransomware because of your disability to be on the guard. Some people do not notice important details while surfing the Internet or downloading different softwares.
The Kcbu ransomware uses the old but good annexationist techniques to deceive you. And creeps in unnoticed. That contains masking behind broken web links, sites, and torrents. It applies free tools as a way to hide itself. And shapes as a phony system or program update. Like, Adobe Flash Player or Java.
Yet more often than not, it utilizes junk emails. You receive an email that seems to find from a well-known business. Like, Amazon or PayPal. And, the email suggests you to visit a web link, or download and install an program. If you do, you end up with malware.
Keep in mind that these types of risks are cheating your oscitancy. They need you to hurry and skip doing due diligence. That enable their latent pervasion. They bear on you to leave your fate to chance. Do not! Don’t pick rashness over care. One keeps malwares out. The other welcomes them in.
Consequently, do not disburse them a fee. Don’t contact to the internet kidnappers. If you do, you’ll regret it. It’s a futile try to return your data, as well as it will not finish well for you. Below’s why.
There are a few occasions that can interpret when you see the ransom funds note on your display. Claim, you decide to comply. You contact to the bleeders, send their ransom funds, and wait. You wait on them to send you the decryption trick they promised. Well, what happens if they do not?
However, you have no warranties. All, you rest on, is a pledge. Can you absolutely think pledges of virtual criminal? The answer is ‘No.’ These are individuals, who will surely disenchant you. Don’t provide a cent! There’s also another alternative.
They can send you a decoding code. However, when you attempt to use it, it fails to work.
Yes, they can send you the wrong code. After that, you have much less currency, as well as your files continues to be locked. Don’t render! And also your optimal scenario isn’t a reason for delight. What takes place after you give the redemption funds, obtain the appropriate trick, as well as totally free your files? Well? Consider it. You paid fee to eliminate a sign and symptom, yet not the malware triggering it.
So, you remove the encryption, yet the Kcbu ransomware stays. It’s still sneaking in the hooks of your system, complimentary to harm once again. After that, you’re back at a new start.
Why is Kcbu unsafe?
In addition, to encode a victim’s files, the Kcbu ransomware has also started to install the Azorult Spyware on PC to steal account credentials, cryptocurrency wallets, desktop documents, and more.
So, your computer got attacked by Kcbu and also probably you have actually lost time trying to delete it manually. We are absolutely positive that the remedy below will certainly be successful in removing Kcbu in an automated way.
How to protect PC from Kcbu ransomware?
However, let us initially speak about preclusion of such malware invasions in the future. There is something exists that you can do to avoid this kind of nasty danger from entering into your computer beforehand?
There are a couple of things we wish to talk about here. First one is your personal responsibility for being incredibly careful while you utilize your PC and largely while you browse the web. When exploring your e-mail and see some suspicious accessories consisted of, do not hurry to view them.
In a like manner, when you get on Facebook and social networks also someone you know sends you messages containing accessories, be very attentive, particularly if these are some exe-extension files.
The second thing to take into consideration is examining the reliability of your current anti-malware program. Sadly, there are numerous safety and security softwares presently that just assert to be dependable, whereas in times of real virus invasions they simply fail to do the task as announced.
In case Kcbu invaded into your device this shows that your current anti-malware program did not do its promoted assignment as well as really fell short to protect your system. So obviously it is a point for you to overestimate your choices and also definitely switch over to some other software that can most exactly assure the wanted degree of safety.
Not all antiviruses are good
We can also discuss some part of users that like not to have any kind of anti-virus software program at all. Definitely, this is a big error on their component, due to the fact that presently the net has lots of virtual jeopardies that may secretly invade accessible systems, specifically those that are not tooled with some standard degree of security.
So, having protection tool constantly running and protecting your computer is a necessary point in nowadays’ cyber world.
Kcbu is getting on the nerves of many users, so you’re not its only victim.
People ask how to fix the problem effectively. Getting rid of the infection manually may be a long-lasting undertaking and can damage other important system files. Scan your PC with GridinSoft Anti-Malware to detect and delete Kcbu in the right way.
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Kcbu removal guide
STEP 1. Recover files from Kcbu ransomware encryption
You can download free decryption tool here: Decryptor for STOP Djvu. But it work when the Kcbu virus used an offline key for encryption.
If key does not found, we advice to restore your PC
There are a lot of different ransomware viruses on the internet. Some of them are more dangerous than the others because they not only leaving malicious processes to protect themselves, but also removing backups of your system to make the recovery process impossible.
Please Note: Not all ransomware infections are able to remove backups of your system, so it is always worth to try a windows recovery.
We recommend use Safe Mode with command prompt to safely perform a recovery of your files. You will have to reboot your computer, so you better save this instruction:
How to Restore Files from a Backup in Windows 7/8/10
STEP 2. Removing Kcbu ransomware malicious files
Once the recovery process is complete, you should consider scanning your computer with a GridinSoft Anti-Malware in order to find any traces of Kcbu infection. Though some ransomware viruses are removing themselves right after the encryption of your files, some may leave malicious processes on your computer for special purposes of cyber criminals.
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Run GridinSoft Anti-Malware and choose the scan type, which is suitable for your needs. Of course, for the accuratest scan results we recommend you to choose the “Full Scan”.
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Give Anti-Malware a little time to check your system:
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Move to quarantine all the viruses and unwanted files, that you see in the results list:
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Enjoy the malware removal process:
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Use of On-run protection may additionaly prevent different types of cyber attacks, our protect may flag the downloader of the ransomware as a malicious application preventing the download of Kcbu.
STEP 3. Prevent the Kcbu virus infection
Besides the protection tool, you should read and learn few simple rules. Follow them every time you work on your computer and your will decrease chances of your infection to a minimum:
- Don’t open suspicious spam letters. No way! Be very careful with your downloads. Download and install applications preferably from its trusted website.
- Do backups of your important files regularly. Storing your really important files in few different places is a good decision.
- Keep your system free from adware, hijackers and PUPs The infected computer will be more likely compromised with other malicious software, and ransomware is not an exception in this case.
- Don’t panic and be reasonable. Don’t pay the ransom fee right after you got infected, it is always best to search on the internet for some answers. It is possible that someone have developed a decryption tool that might help you.