Kizu Virus – Details
Kizu is a harmful software application working as common ransomware. Michael Gillespie, the popular malware researcher, first found this new name in the DJVU ransomware family.
Kizu was developed for the sole purpose to encrypt all popular file types. Rationally, as soon as the encryption is successfully accomplished, the users are not able to get access to them. Kizu virus adds its own “.kizu” to all the encrypted data. For example, the file “price_list.xls”, as soon as crypted by Kizu, will be titled as “price_list.xls.kizu”. When the file encryption is achieved, Kizu puts its own distinct text file (_readme.txt) into all the folders that keep the encrypted files.
The message mentioned by _readme.txt requesting for the random os very comparable to the notifications offered by other ransomware dangers belonging to the DJVU family. The warning essentially shows that the information has been secured and the only solution to get access to it is to use a special standalone key. Regretfully, this statement is absolutely real.
The approach to secure the files used by Kizu is not completely investigated. However, there is no doubt that each computer owner may be issued an unique decryption key, which is absolutely unique. It is incredibly hard to recover the data without the proper key in location.
“Don’t worry, you can return all your files!”, from text file message:
One more peculiarity of the Kizu virus is that the users are not able to get access to the key. The decrypting key is hosted on an unique server under the complete control by the scoundrels who have launched the Kizu ransomware into the world wide web. In order to acquire the key and bring back the important information, the users are informed to connect with the scams by means of email or by telegram and to pay the ransom in the amount of $980.
The message likewise states that the people must call the Kizu authors within 72 hours upon the minute of the information file encryption. The alert indicates that by doing so individuals will obtain a 50% discount, for that reason, the ransom quantity drops down to $490.
Kizu encrypted your information, nevertheless, it might not be the only hazard on your computer. Plus, the ransomware might be concealed deep in the system. To find and erase the danger totally, we advise you to describe the help of GridinSoft Anti-Malware .
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No matter what the amount of the ransom is, we highly encourage that you do not pay the ransom. There is no guarantee that these online crooks will keep their pledges, so they might not care at all what the victims feel about the encryption, even when the amount of the ransom is received into their accounts. Hence, paying ransom typically does not result in a successful healing. So, the users might merely lose their money for absolutely nothing.
Similarly, we prompt you not to get in touch with the frauds as they advise. Do not move money into their wallets. There are no applications that might crack the Kizu ransomware or bring back the data at no cost. Therefore, the only correct choice is to restore the data from possible backups (if offered).
Virus Summary
| Name | Kizu Ransomware |
| File Extension | kizu |
| Type | Ransomware |
| Family | DJVU |
| Short Description | The ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files. |
| Symptoms | File encryption by the ransomware is performed by means of the AES-256 algorithm (CFB mode) encryption algorithm. Once the encryption is completed, the ransomware adds its special .kizu extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Kizu Removal Tool | GridinSoft Anti-Malware |
| Kizu Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Internet is now full of infections similar to the Kizu ransomware. For example, this specific risk is basically similar to Brusaf and other ransomware-type infections. These damaging utilities have actually been established in order to encrypt the essential data and express the demand for the users to pay the ransom. All these infections use the identical algorithm to produce the particular key for effective data decryption.
Unless the Kizu ransomware is still under the advancement process or has actually got some concealed bugs, it is not possible to bring back the information by hand. Thus, the only working option to prevent the loss of your essential data is to routinely preserve updated backups of all your crucial documents.
Another crucial piece of advice is to keep the backups on special storage not connected to your primary PC. For instance, you may keep it on the USB Flash Drive, or some external hard disk, or by using the cloud data storage services. Keeping the backups on your routine drive is really risky, given that the backup might also be encrypted by the Kizu .
Leakages for the Kizu ransomware attack.
Kizu utilizes lots of courses to penetrate the vulnerable computers. It is not specific what particular method was used in your case, nevertheless, the intrusion might occur via the following channels:
- bundling with third-party programs, generally freeware;
- spam e-mails from the unknown senders;
- sites providing free hosting;
- P2P (peer-to-peer) torrent software.
There are times when the Kizu ransomware might disguise itself as some genuine application, for example, through the misleading notifies demanding setup of some software application update. This is the most common technique utilized by the scams to inject the Kizu infection files into the system. This way users partially participate in its setup, without clearly comprehending the risk.
In addition, the frauds might send unsolicited spam email with challenging signals motivating individuals to open dubious accessories or click some download links, for instance, those encouraging individuals to open particular images, text files, tax files and other information.
No doubt, opening these files or clicking the harmful links might essentially damage the system. Fake Adobe Flash Player update alerts may cause the Kizu ransomware seepage. Similarly, downloading the split software may additionally include the ransomware installer. The last however not the least, setup of Kizu might take place through some Trojan horses that might be installed stealthily into the system and without the user’s direct permission and even approval.
Preventing the Kizu virus injection.
Obviously, there is no outright assurance that your computer will be constantly without any malware attacks, however, we would like to share some useful pointers with you to make it much safer. Make certain to pay extremely close attention while browsing the web and especially while downloading cost-free programs. Do not open any dubious email attachments, specifically if the sender is not understood to you.
Do not forget that certain freeware installer might likewise include some other extra apps in the bundle. These extra applications might be very damaging. It is of utmost importance to keep your anti-virus software and your operating system in basic to be constantly correctly upgraded.
It is quite sensible that downloading pirated software is prohibited, nevertheless, in addition, such unauthorized software use might also bring major damage to your system. For this reason, do not download any broken programs. Plus, the fact that your present anti-virus did not safeguard the system from the Kizu ransomware is an excellent reason for you to reconsider your choices and change to another program that can render the protecting functions on a much better level.
Below please find the quotation from the Kizu text file:
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-2P5WrE5b9f 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
Screenshot of files with “.kizu” extension added by the ransomware:”
Use GridinSoft Anti-Malware to remove Kizu ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can get GridinSoft Anti-Malware by clicking the button below:
2. Double-click on the setup file.
When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
3. Press Install button for run GridinSoft Anti-Malware.
3.Once installed, GridinSoft Anti-Malware will automatically run.
4. Wait for the GridinSoft Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.
5. Click on “Clean Now”.
When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
Use Emsisoft Decryptor for restore kizu files
You can download Emsisoft Decryptor by clicking the button below:
- Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
- Once the license terms are accepted, the primary decryptor user interface opens.
- By default, the decryptor will pre-populate the locations to decrypt with the currently connected drives and network drives. Additional locations can be added using the Add” button.
- Decryptors typically offer various options depending on the particular malware family. The available options are located in the Options tab and can be enabled or disabled there. You can find a detailed list of the available Options below.
- After you have added all the locations you want to decrypt to the list, click the “Decrypt” button to start the decryption process. The screen will switch to a status view, informing you about the current process and decryption status of your files
- The decryptor will inform you once the decryption process is finished. If you require the report for your personal records, you can save it by clicking the “Save log” button. You can also copy it straight to your clipboard to paste it into emails or forum posts if you are asked to.
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