Kifr – General Info
Kifr is a malicious software functioning as common ransomware. Michael Gillespie, the widely known malware researcher, very first discovered this new name in the DJVU ransomware family.
Kifr was created for the sole purpose to encrypt all popular file types. Rationally, as quickly as the encryption is successfully accomplished, the users are unable to get access to them. Kifr virus includes its own “.kifr” to all the encrypted files. For example, the file “price_list.xls”, when modified by Kifr, will be entitled as “price_list.xls.kifr”. When the file encryption is accomplished, Kifr puts its own distinct text file (_readme.txt) into all the folders that keep the encrypted files.
The alert specified by _readme.txt asking for the random os really comparable to the notices offered by other ransomware threats coming from the DJVU family. The caution basically indicates that the data has been encrypted and the only service to get access to it is to use an unique standalone key. Regretfully, this statement is absolutely real.
The approach to encrypt the files utilized by Kifr is not completely researched. Nevertheless, there is no doubt that each computer system owner may be issued an unique decryption key, which is absolutely distinct. It is exceptionally tough to recuperate the data without the appropriate key in location.
“Don’t worry, you can return all your files!”, from text file message:
One more peculiarity of the Kifr 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 total control by the crooks who have introduced the Kifr infection into the internet. In order to acquire the key and restore the essential data, the users are told to get in touch with the frauds via e-mail or by telegram and to pay the ransom in the quantity of $980.
The message likewise states that individuals should contact the Kifr authors within 72 hours upon the moment of the information encryption. The alert suggests that by doing so individuals will get a 50% discount rate, for that reason, the ransom amount drops down to $490.
Kifr encrypted your data, nevertheless, it might not be the only danger on your computer. Plus, the ransomware may be concealed deep in the system. To identify and erase the hazard totally, we suggest 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 assurance that these online crooks will keep their promises, so they may not care at all what the victims feel about the file encryption, even when the quantity of the ransom is gotten into their accounts. Hence, paying ransom frequently does not lead to an effective healing. So, the users might just lose their money for absolutely nothing.
Similarly, we prompt you not to contact the scams as they instruct. Do not transfer loan into their wallets. There are no applications that might break the Kifr virus or restore the information at no charge. Therefore, the only correct choice is to bring back the data from possible backups (if available).
Virus Summary
| Name | Kifr Ransomware |
| File Extension | kifr |
| 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 .kifr extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Kifr Removal Tool | GridinSoft Anti-Malware |
| Kifr Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Web is now filled with infections comparable to the Kifr ransomware. For example, this specific danger is essentially similar to Brusaf and other ransomware-type infections. These destructive utilities have actually been established in order to encrypt the crucial information and express the need for the users to pay the ransom. All these infections utilize the identical algorithm to generate the particular key for successful files decryption.
Unless the Kifr ransomware is still under the development procedure or has got some concealed bugs, it is not possible to restore the information manually. Hence, the only working service to prevent the loss of your important information is to frequently keep updated backups of all your important data.
Another crucial piece of guidance is to keep the backups on special storage not linked to your primary computer. For example, you might 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 very risky, considering that the backup might likewise be secured by the Kifr infection.
Leaks for the Kifr ransomware attack.
Kifr utilizes numerous courses to infiltrate the vulnerable computers. It is not specific what specific method was used in your case, however, the invasion might happen via the following channels:
- bundling with third-party programs, mainly freeware;
- spam emails from the unknown senders;
- websites supplying complimentary hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Kifr might camouflage itself as some real application, for instance, through the misleading alerts demanding setup of some software application update. This is the most common trick utilized by the scams to inject the Kifr virus files into the system. By doing this users partly participate in its installation, without clearly comprehending the threat.
Furthermore, the scams may send out unsolicited spam email with difficult signals encouraging the people to open dubious attachments or click some download links, for example, those motivating the people to open particular photos, text files, tax files and other info.
No doubt, opening these files or clicking on the destructive links might essentially harm the system. Fake Adobe Flash Player upgrade notices may cause the Kifr ransomware infiltration. Similarly, downloading the broken software may furthermore contain the ransomware installer. The last but not the least, setup of Kifr might take place through some Trojan horses that may be set up stealthily into the system and without the user’s direct approval and even permission.
Preventing the Kifr attack.
Of course, there is no absolute guarantee that your computer system will be constantly devoid of any malware attacks, nevertheless, we would like to share some useful suggestions with you to make it safer. Ensure to pay extremely very 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 specific freeware installer might likewise include some other additional apps in the package. These additional applications may be extremely harmful. It is of utmost importance to keep your anti-virus software and your operating system in basic to be always properly upgraded.
It is quite rational that downloading pirated programs is illegal, nevertheless, furthermore, such unapproved software use might likewise bring severe damage to your PC. Thus, do not download any broken programs. Plus, the fact that your present anti-virus did not secure the system from the Kifr ransomware is an excellent reason for you to reassess your choices and change to another program that can render the securing functions on a far better level.
Below please find the quotation from the Kifr 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 “.kifr” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Kifr 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 kifr 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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