Kiwm Virus Removal Guide (+Decrypt .kiwm files)

Kiwm – Ransomware

Kiwm is a harmful software working as typical ransomware. Michael Gillespie, the widely known malware researcher, first discovered this new name in the DJVU ransomware family.

Kiwm was created for the sole function to encrypt all popular file types. Realistically, as soon as the encryption is effectively accomplished, the users are not able to get access to them. Kiwm ransomware includes its own “.kiwm” to all the encrypted data. For example, the file “price_list.xls”, as soon as modified by Kiwm, will be titled as “price_list.xls.kiwm”. As soon as the encryption is achieved, Kiwm puts its own special text file (_readme.txt) into all the folders that save the encrypted files.

The message specified by document requesting the random os very similar to the alerts given by other ransomware dangers coming from the DJVU family. The warning basically shows that the data has been encrypted and the only option to get access to it is to use a special standalone key. Regretfully, this declaration is definitely real.

The approach to secure the files used by Kiwm is not entirely researched. Nevertheless, there is no doubt that each computer owner might be issued an unique decryption key, which is absolutely special. It is incredibly difficult to recuperate the information without the appropriate type in location.

“Don’t worry, you can return all your files!”, from _readme.txt message:

One more peculiarity of the Kiwm virus is that the users are unable to get access to the key. The decrypting key is hosted on a special server under the complete control by the scoundrels who have actually released the Kiwm virus into the internet. In order to get the key and bring back the crucial data, the users are told to contact the scams via email or by telegram and to pay the ransom in the quantity of $980.

The message also states that the people should contact the Kiwm authors within 72 hours upon the minute of the information file encryption. The alert shows that by doing so the people will acquire a 50% discount rate, for that reason, the ransom quantity drops down to $490.

No matter what the amount of the ransom is, we strongly recommend that you do not pay the ransom. There is no warranty that these online crooks will keep their promises, so they might not care at all what the victims feel about the file encryption, even when the quantity of the ransom is received into their accounts. For this reason, paying ransom typically does not result in a successful healing. So, the users might just lose their money for absolutely nothing.

Likewise, we urge you not to contact the frauds as they instruct. Do not move money into their wallets. There are no applications that could break the Kiwm virus or bring back the information at no charge. For that reason, the only proper decision is to restore the data from possible backups (if offered).

Virus Summary

Name Kiwm Ransomware
File Extension kiwm
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 .kiwm extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Kiwm Removal Tool   GridinSoft Anti-Malware
Kiwm Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Internet is now full of infections comparable to the Kiwm virus. For instance, this particular hazard is essentially identical to Brusaf and other ransomware-type infections. These harmful energies have actually been developed in order to encrypt the essential data and express the demand for the users to pay the ransom. All these infections use the similar algorithm to produce the particular key for successful information decryption.

Unless the Kiwm ransomware is still under the advancement procedure or has actually got some concealed bugs, it is not possible to restore the data manually. Thus, the only working solution to prevent the loss of your important data is to regularly preserve up-to-date backups of all your important documents.

Another important piece of advice is to save the backups on unique storage not connected to your main computer. For example, you may save it on the USB Flash Drive, or some external drive, or by using the cloud data storage services. Keeping the backups on your regular drive is extremely dangerous, given that the backup might likewise be secured by the Kiwm .

Leaks for the Kiwm ransomware attack.

Kiwm utilizes lots of paths to penetrate the vulnerable computer systems. It is not specific what particular technique was used in your case, nevertheless, the intrusion may take place through the following channels:

  • bundling with third-party programs, mainly freeware;
  • spam e-mails from the unknown senders;
  • websites supplying free hosting;
  • P2P (peer-to-peer) torrent downloads.

There are times when the Kiwm ransomware may disguise itself as some genuine application, for instance, through the misleading notifies requiring setup of some software update. This is the most typical technique used by the frauds to inject the Kiwm infection files into the system. This way users partly participate in its installation, without clearly comprehending the danger.

Moreover, the scams might send out unsolicited spam e-mail with difficult notifies motivating the people to open suspicious accessories or click some download links, for example, those encouraging the people to open certain photos, text files, tax files and other information.

No doubt, opening these files or clicking on the malicious links may essentially damage the system. Fake Media Player upgrade alerts may lead to the Kiwm ransomware infiltration. Likewise, downloading the cracked software may furthermore contain the ransomware installer. The last however not the least, setup of Kiwm might take place through some Trojan horses that might be installed stealthily into the system and without the user’s direct permission and even permission.

Preventing the Kiwm injection.

Obviously, there is no absolute warranty that your computer system will be constantly without any malware attacks, however, we would like to share some useful ideas with you to make it more secure. Make certain to pay extremely very close attention while searching the web and specifically while getting cost-free programs. Do not open any dubious e-mail attachments, especially if the sender is not known to you.

Do not forget that particular freeware installer might also consist of some other additional apps in the bundle. These additional applications might be extremely damaging. It is of utmost significance to keep your anti-virus software and your os in general to be always appropriately upgraded.

It is rather logical that downloading pirated programs is illegal, nevertheless, furthermore, such unapproved software use might likewise bring severe damage to your system. Hence, do not download any cracked programs. Plus, the fact that your current anti-virus did not secure the system from the Kiwm ransomware is an excellent factor for you to reassess your choices and switch to another program that can render the protecting functions on a far better level.

Below please find the quotation from the Kiwm 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 “.kiwm” extension added by the ransomware:”

Use GridinSoft Anti-Malware to remove Kiwm ransomware from your computer

1.Download GridinSoft Anti-Malware.

You can get GridinSoft Anti-Malware by clicking the button below:

  GridinSoft Anti-Malware

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 kiwm files

You can get Emsisoft Decryptor by clicking the button below:

  Emsisoft Decryptor

  1. Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
  2. Once the license terms are accepted, the primary decryptor user interface opens.
  3. 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.
  4. 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.
  5. 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
  6. 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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Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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