Wisz Virus Ransomware
Wisz is a harmful software working as typical ransomware. Michael Gillespie, the widely known virus researcher, very first discovered this new name in the DJVU ransomware family.
Wisz was developed for the sole purpose to encrypt all popular file types. Rationally, as quickly as the file encryption is effectively accomplished, the users are unable to get access to them. Wisz ransomware adds its own “.wisz” to all the encrypted data. For example, the file “price_list.xls”, when modified by Wisz, will be entitled as “price_list.xls.wisz”. When the file encryption is achieved, Wisz puts its own distinct text file (_readme.txt) into all the folders that keep the encrypted files.
The alert stated by _readme.txt requesting for the random os very similar to the notices offered by other ransomware risks coming from the DJVU family. The caution essentially shows that the data has been secured and the only solution to get access to it is to use a distinct standalone key. Regretfully, this statement is absolutely real.
The technique to secure the files utilized by Wisz is not completely looked into. Nevertheless, there is no doubt that each computer owner may be issued an unique decryption key, which is definitely distinct. It is extremely hard to recover the information without the proper type in location.
“Don’t worry, you can return all your files!”, from text file message:
One more peculiarity of the Wisz ransomware 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 criminals who have actually introduced the Wisz ransomware into the internet. In order to get the key and restore the crucial information, the users are informed to contact the scams via e-mail or by telegram and to pay the ransom in the quantity of $980.
The message also says that the people should call the Wisz authors within 72 hours upon the moment of the information encryption. The alert suggests that by doing so individuals will obtain a 50% discount, for that reason, the ransom amount falls to $490.
Wisz modified your files, nevertheless, it may not be the only threat on your computer. Plus, the ransomware may be hidden deep in the system. To identify and erase the danger completely, we advise you to refer to the aid of GridinSoft Anti-Malware .
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No matter what the amount of the ransom is, we strongly encourage that you do not pay the ransom. There is no guarantee 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 amount of the ransom is received into their accounts. For this reason, paying ransom often does not lead to a successful recovery. So, the users may simply lose their money for nothing.
Likewise, we urge you not to contact the frauds as they advise. Do not transfer loan into their wallets. There are no applications that could crack the Wisz virus or restore the information for free. For that reason, the only appropriate choice is to bring back the information from possible backups (if available).
Virus Summary
| Name | Wisz Ransomware |
| File Extension | wisz |
| 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 .wisz extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Wisz Removal Tool | GridinSoft Anti-Malware |
| Wisz Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Internet is now filled with infections similar to the Wisz virus. For instance, this particular danger is basically identical to Brusaf and other ransomware-type infections. These damaging energies have been developed in order to secure the essential data and express the need for the users to pay the ransom. All these infections use the similar algorithm to create the particular key for successful files decryption.
Unless the Wisz ransomware is still under the development process or has got some concealed bugs, it is not possible to restore the data by hand. Therefore, the only working service to avoid the loss of your important information is to frequently maintain updated backups of all your important data.
Another crucial piece of recommendations is to store the backups on special storage not connected to your primary PC. For example, you might keep it on the USB Flash Drive, or some external hard disk drive, or by using the cloud data storage services. Keeping the backups on your system drive is extremely dangerous, because the backup might likewise be secured by the Wisz infection.
Leakages for the Wisz ransomware attack.
Wisz utilizes numerous paths to infiltrate the susceptible computers. It is not certain what particular approach was utilized in your case, however, the intrusion might happen through the following channels:
- bundling with third-party programs, generally freeware;
- spam e-mails from the unidentified senders;
- sites supplying free hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Wisz virus may disguise itself as some genuine application, for example, through the misleading signals demanding setup of some software application upgrade. This is the most typical technique utilized by the scams to inject the Wisz ransomware files into the system. This way users partly take part in its setup, without clearly understanding the risk.
Furthermore, the scams might send out unsolicited spam e-mail with difficult alerts motivating individuals to open suspicious attachments or click on some download links, for instance, those encouraging the people to open particular pictures, text files, tax files and other information.
No doubt, opening these files or clicking the destructive links might essentially damage the system. Fake Media Player update alerts may cause the Wisz ransomware infiltration. Likewise, downloading the split software may in addition consist of the ransomware installer. The last but not the least, installation of Wisz might take place through some Trojan horses that may be installed stealthily into the system and without the user’s direct approval or perhaps consent.
Preventing the Wisz ransom virus injection.
Obviously, there is no absolute warranty that your computer will be constantly free of any malware attacks, however, we would like to share some beneficial tips with you to make it safer. Make certain to pay very attention while searching the web and particularly while getting cost-free programs. Do not open any suspicious email attachments, specifically if the sender is not understood to you.
Do not forget that particular freeware installer may likewise contain some other additional apps in the package. These extra applications may be extremely damaging. It is of utmost significance to keep your anti-virus software and your os in general to be constantly correctly updated.
It is quite logical that downloading pirated apps is unlawful, nevertheless, additionally, such unapproved software use may also bring serious damage to your system. For this reason, do not download any broken programs. Plus, the fact that your existing anti-virus did not secure the system from the Wisz ransomware is an excellent factor for you to reconsider your choices and switch to another program that can render the securing functions on a much better level.
Below please find the quotation from the Wisz 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 “.wisz” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Wisz ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can download 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 wisz 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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