Ooii – General Info
Ooii is a malicious software working as typical ransomware. Michael Gillespie, the well-known virus researcher, first found this new name in the DJVU ransomware family.
Ooii was developed for the sole purpose to encrypt all popular file types. Rationally, as soon as the file encryption is successfully achieved, the users are unable to get access to them. Ooii virus includes its own “.ooii” to all the encrypted files. For instance, the file “price_list.xls”, once modified by Ooii, will be titled as “price_list.xls.ooii”. When the encryption is accomplished, Ooii puts its own unique text file (_readme.txt) into all the folders that save the encrypted files.
The alert mentioned by text file requesting the random os very similar to the notices offered by other ransomware dangers belonging to the DJVU family. The caution generally shows that the information has been encrypted and the only service to get access to it is to use a special standalone key. Regretfully, this statement is absolutely real.
The approach to encrypt the files utilized by Ooii is not totally looked into. Nevertheless, there is no doubt that each computer owner might be released a special decryption key, which is absolutely distinct. It is very tough to recuperate the information without the suitable type in location.
“Don’t worry, you can return all your files!”, from _readme.txt message:
One more peculiarity of the Ooii virus is that the users are not able to get access to the key. The decrypting key is hosted on a special server under the total control by the crooks who have actually released the Ooii infection into the internet. In order to acquire the key and restore the essential information, the users are told to contact the frauds via email or by telegram and to pay the ransom in the quantity of $980.
The message also says that individuals should call the Ooii authors within 72 hours upon the minute of the information encryption. The alert indicates that by doing so the people will obtain a 50% discount rate, for that reason, the ransom quantity falls to $490.
Ooii modified your files, however, it may not be the only threat on your PC. Plus, the ransomware might be concealed deep in the system. To identify and erase the hazard entirely, we suggest you to describe the aid of GridinSoft Anti-Malware tool.
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No matter what the quantity of the ransom is, we strongly encourage that you do not pay the ransom. There is no warranty that these online criminals will keep their promises, 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. Thus, paying ransom typically does not result in an effective healing. So, the users may just lose their money for absolutely nothing.
Likewise, we urge you not to get in touch with the frauds as they advise. Do not move money into their wallets. There are no applications that might split the Ooii ransomware or bring back the data at no cost. For that reason, the only appropriate decision is to bring back the data from possible backups (if available).
Virus Summary
| Name | Ooii Ransomware |
| File Extension | ooii |
| 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 .ooii extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Ooii Removal Tool | GridinSoft Anti-Malware |
| Ooii Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Internet is now loaded with infections comparable to the Ooii virus. For instance, this particular danger is essentially identical to Brusaf and other ransomware-type infections. These harmful utilities have been developed in order to encrypt the essential data and express the demand for the users to pay the ransom. All these infections utilize the similar algorithm to produce the particular key for successful data decryption.
Unless the Ooii ransomware is still under the development process or has got some concealed bugs, it is not possible to bring back the data manually. Therefore, the only working solution to prevent the loss of your essential data is to frequently maintain updated backups of all your crucial files.
Another crucial piece of advice is to store the backups on unique storage not connected to your primary computer. For instance, you may store it on the USB Flash Drive, or some external drive, or by using the cloud data storage services. Keeping the backups on your routine drive is extremely risky, considering that the backup might also be secured by the Ooii ransomware.
Leaks for the Ooii ransomware attack.
Ooii uses many courses to penetrate the susceptible computer systems. It is not particular what specific approach was utilized in your case, however, the invasion may happen via the following channels:
- bundling with third-party programs, mainly freeware;
- spam e-mails from the unidentified senders;
- sites supplying free hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Ooii might camouflage itself as some authentic application, for example, through the deceptive informs requiring installation of some software application update. This is the most typical trick utilized by the frauds to inject the Ooii infection files into the system. This way users partly take part in its setup, without plainly comprehending the threat.
Moreover, the scams may send out unsolicited spam email with tricky alerts encouraging the people to open dubious accessories or click on some download links, for example, those motivating individuals to open specific pictures, text files, tax documents and other info.
No doubt, opening these files or clicking the harmful links may basically damage the system. Fake Media Player upgrade notices may lead to the Ooii ransomware seepage. Likewise, downloading the split software may furthermore include the ransomware installer. The last but not the least, setup of Ooii might occur through some Trojan horses that may be installed stealthily into the system and without the user’s direct authorization and even consent.
Preventing the Ooii ransom virus attack.
Obviously, there is no absolute assurance that your computer will be always free of any malware attacks, nevertheless, we wish to share some helpful tips with you to make it safer. Ensure to pay very attention while browsing the web and particularly while downloading cost-free programs. Do not open any dubious email accessories, particularly if the sender is not understood to you.
Do not forget that specific freeware installer might likewise include some other additional apps in the bundle. These additional applications might be really damaging. It is of utmost value to keep your anti-virus software and your os in general to be constantly properly updated.
It is rather logical that downloading cracked programs is illegal, however, furthermore, such unapproved apps usage may likewise bring major damage to your system. Hence, do not download any cracked programs. Plus, the fact that your current anti-virus did not protect the system from the Ooii ransomware is a great reason for you to reassess your choices and change to another program that can render the securing functions on a better level.
Below please find the quotation from the Ooii 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 “.ooii” extension added by the ransomware:”
Use GridinSoft Anti-Malware to remove Ooii 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 ooii 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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