Isza – Ransomware
Isza is a destructive software application functioning as common ransomware. Michael Gillespie, the popular malware researcher, very first found this new name in the DJVU ransomware family.
Isza was developed for the sole purpose to encrypt all popular file types. Rationally, as quickly as the encryption is effectively accomplished, the users are unable to get access to them. Isza virus adds its own “.isza” to all the encrypted data. For example, the file “price_list.xls”, when crypted by Isza, will be titled as “price_list.xls.isza”. Once the file encryption is accomplished, Isza puts its own unique text file (_readme.txt) into all the folders that keep the encrypted files.
The alert specified by text file asking for the random os very similar to the alerts given by other ransomware dangers belonging to the DJVU family. The caution essentially indicates that the information has been encrypted and the only solution to get access to it is to use a special standalone key. Regretfully, this statement is definitely true.
The method to encrypt the files used by Isza is not entirely looked into. However, there is no doubt that each computer owner might be released an unique decryption key, which is absolutely special. It is exceptionally hard to recover the information without the proper type in place.
“Don’t worry, you can return all your files!”, from text file message:
One more peculiarity of the Isza ransomware is that the users are unable to get access to the key. The decrypting key is hosted on an unique server under the total control by the crooks who have actually introduced the Isza ransomware into the web. In order to obtain the key and restore the essential information, the users are told to contact the scams via e-mail or by telegram and to pay the ransom in the quantity of $980.
The message also states that individuals should get in touch with the Isza authors within 72 hours upon the moment of the information encryption. The alert suggests that by doing so the people will get a 50% discount, for that reason, the ransom amount falls to $490.
Isza modified your information, however, it may not be the only threat on your PC. Plus, the ransomware may be hidden deep in the system. To find and delete the risk entirely, we recommend you to refer to the assistance of GridinSoft Anti-Malware app.
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No matter what the quantity of the ransom is, we strongly recommend that you do not pay the ransom. There is no guarantee that these online scoundrels 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 gotten into their accounts. Thus, paying ransom frequently does not result in an effective healing. So, the users might merely lose their money for absolutely nothing.
Similarly, we prompt you not to contact the scams as they advise. Do not move loan into their wallets. There are no applications that could split the Isza virus or restore the data for free. Therefore, the only appropriate choice is to restore the data from possible backups (if readily available).
Virus Summary
| Name | Isza Ransomware |
| File Extension | isza |
| 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 .isza extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Isza Removal Tool | GridinSoft Anti-Malware |
| Isza Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Web is now loaded with infections comparable to the Isza ransomware. For example, this specific threat is basically identical to Brusaf and other ransomware-type infections. These harmful utilities have been developed in order to encrypt the essential information and reveal the demand for the users to pay the ransom. All these infections utilize the identical algorithm to generate the specific key for effective information decryption.
Unless the Isza ransomware is still under the development procedure or has actually got some hidden bugs, it is not possible to bring back the information by hand. Hence, the only working solution to avoid the loss of your essential data is to frequently preserve up-to-date backups of all your important files.
Another important piece of recommendations is to save the backups on unique storage not linked to your main PC. For instance, you might save it on the USB Flash Drive, or some external disk drive, or by using the cloud data storage services. Keeping the backups on your routine drive is extremely risky, since the backup might also be secured by the Isza infection.
Leakages for the Isza ransomware attack.
Isza uses lots of courses to penetrate the susceptible computer systems. It is not specific what particular approach was used in your case, nevertheless, the intrusion might occur by means of the following channels:
- bundling with third-party programs, mainly free apps;
- spam emails from the unidentified senders;
- websites providing free hosting;
- P2P (peer-to-peer) torrent software.
There are times when the Isza ransomware may camouflage itself as some genuine application, for example, through the misleading notifies demanding setup of some software upgrade. This is the most typical technique utilized by the scams to inject the Isza infection files into the system. In this manner users partly take part in its installation, without plainly understanding the risk.
Furthermore, the scams might send out unsolicited spam email with challenging notifies motivating the people to open dubious attachments or click on some download links, for instance, those motivating individuals to open particular images, text files, tax files and other information.
No doubt, opening these files or clicking the destructive links might basically damage the system. Fake Adobe Flash Player update notifications may result in the Isza ransomware infiltration. Likewise, downloading the cracked software might furthermore include the ransomware installer. The last however not the least, installation of Isza may occur through some Trojan horses that may be set up stealthily into the system and without the user’s direct permission and even approval.
Avoiding the Isza virus injection.
Naturally, there is no absolute warranty that your computer will be always free of any malware attacks, nevertheless, we wish to share some helpful pointers with you to make it more secure. Make certain to pay very attention while searching the web and particularly while downloading cost-free programs. Do not open any dubious e-mail attachments, especially if the sender is not known to you.
Do not forget that certain freeware installer might also include some other extra apps in the bundle. These additional applications might be very damaging. It is of utmost significance to keep your anti-virus software application and your operating system in general to be always effectively updated.
It is rather sensible that downloading pirated programs is illegal, nevertheless, furthermore, such unapproved software application use may likewise bring serious damage to your system. Thus, do not download any broken programs. Plus, the fact that your current anti-virus did not protect the system from the Isza ransomware is a good factor for you to reevaluate your choices and change to another program that can render the safeguarding functions on a better level.
Below please find the quotation from the Isza 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 “.isza” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Isza 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 isza 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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