Wwhu – General Info
Wwhu is a harmful software working as typical ransomware. Michael Gillespie, the widely known malware researcher, very first found this new name in the DJVU ransomware family.
Wwhu was developed for the sole function to encrypt all popular file types. Rationally, as quickly as the file encryption is effectively achieved, the users are unable to get access to them. Wwhu ransomware includes its own “.wwhu” to all the encrypted data. For example, the file “price_list.xls”, as soon as crypted by Wwhu, will be entitled as “price_list.xls.wwhu”. As soon as the file encryption is accomplished, Wwhu puts its own distinct text file (_readme.txt) into all the folders that keep the encrypted files.
The alert specified by document requesting for the random os really comparable to the notifications given by other ransomware risks coming from the DJVU family. The caution essentially shows that the data has been encrypted and the only solution to get access to it is to use an unique standalone key. Regretfully, this statement is definitely true.
The method to secure the files utilized by Wwhu is not entirely looked into. However, there is no doubt that each computer system owner might be provided an unique decryption key, which is definitely special. It is very tough to recuperate the information without the suitable key in place.
“Don’t worry, you can return all your files!”, from _readme.txt message:
One more peculiarity of the Wwhu ransomware 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 criminals who have introduced the Wwhu virus into the web. In order to acquire the key and bring back the essential information, the users are told to contact the scams through e-mail or by telegram and to pay the ransom in the quantity of $980.
The message also says that individuals ought to contact the Wwhu authors within 72 hours upon the moment of the information file encryption. The alert shows that by doing so the people will obtain a 50% discount rate, for that reason, the ransom amount falls to $490.
Wwhu crypted your information, nevertheless, it may not be the only danger on your PC. Plus, the ransomware may be concealed deep in the system. To identify and delete the risk completely, we suggest you to describe the assistance of GridinSoft Anti-Malware app.
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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 warranty that these online scoundrels will keep their pledges, so they might not care at all what the victims feel about the file encryption, even when the quantity of the ransom is gotten into their accounts. Thus, paying ransom often does not result in a successful recovery. So, the users may merely lose their money for nothing.
Similarly, we urge you not to call the frauds as they instruct. Do not transfer money into their wallets. There are no applications that might split the Wwhu virus or bring back the information at no charge. Therefore, the only appropriate decision is to restore the information from possible backups (if readily available).
Virus Summary
| Name | Wwhu Ransomware |
| File Extension | wwhu |
| 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 .wwhu extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Wwhu Removal Tool | GridinSoft Anti-Malware |
| Wwhu Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Web is now loaded with infections similar to the Wwhu virus. For example, this particular threat is basically identical to Brusaf and other ransomware-type infections. These harmful energies have been established in order to encrypt the important data and express the demand for the users to pay the ransom. All these infections use the identical algorithm to generate the particular key for successful files decryption.
Unless the Wwhu ransomware is still under the development process or has got some concealed bugs, it is not possible to restore the information manually. Thus, the only working service to avoid the loss of your important data is to regularly keep up-to-date backups of all your crucial documents.
Another crucial piece of recommendations is to keep the backups on unique storage not connected to your primary PC. For example, 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 system drive is extremely dangerous, since the backup might also be secured by the Wwhu ransomware.
Leaks for the Wwhu ransomware attack.
Wwhu utilizes lots of paths to penetrate the vulnerable computers. It is not certain what specific method was used in your case, however, the invasion might occur via the following channels:
- bundling with third-party programs, primarily free apps;
- spam e-mails from the unknown senders;
- websites supplying free hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Wwhu virus might camouflage itself as some real application, for instance, through the misleading notifies requiring installation of some software update. This is the most typical technique used by the scams to inject the Wwhu virus files into the system. This way users partly participate in its installation, without plainly understanding the threat.
In addition, the frauds might send out unsolicited spam email with tricky alerts motivating the people to open suspicious attachments or click on some download links, for example, those motivating individuals to open particular pictures, text files, tax documents and other info.
No doubt, opening these files or clicking on the malicious links might essentially harm the system. Fake Acrobat Reader update notices may lead to the Wwhu ransomware seepage. Likewise, downloading the broken software may in addition include the ransomware installer. The last but not the least, installation of Wwhu might take place through some Trojan horses that may be set up stealthily into the system and without the user’s direct consent and even permission.
Avoiding the Wwhu attack.
Naturally, there is no absolute guarantee that your computer will be constantly devoid of any malware attacks, however, we want to share some helpful suggestions with you to make it much safer. Ensure to pay very attention while searching the web and especially while getting cost-free programs. Do not open any dubious email accessories, specifically if the sender is not understood to you.
Do not forget that specific freeware installer may also consist of some other extra apps in the bundle. These extra applications might be very destructive. It is of utmost significance to keep your anti-virus software and your operating system in basic to be always correctly updated.
It is rather logical that downloading pirated software is prohibited, nevertheless, furthermore, such unapproved programs use may also bring severe damage to your PC. For this reason, do not download any broken programs. Plus, the reality that your current anti-virus did not safeguard the system from the Wwhu ransomware is a good factor for you to reconsider your options and switch to another program that can render the securing functions on a better level.
Below please find the quotation from the Wwhu 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 “.wwhu” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Wwhu 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 wwhu files
You can get 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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