Thana – General Info
The Thana stands for a ransomware-type infection. The infection comes from the Filecoder ransomware family. Thana was elaborated particularly to encrypt all major file types. Once the file is encrypted people are not able to use them. Thana adds the “.thana” extension for each file encrypted by it. For example, the file “myphoto.jpg“, when encrypted by Thana, will be renamed into “myphoto.jpg.thana“. As soon as the encryption is completed, Thana places a special text file into every folder containing the encrypted data.The message given by Thana text file asking for the ransom is absolutely the like the statements given by other ransomware virus representatives coming from the Filecoder family. It actually points out that the info is encrypted and that the only way to bring back it is to use a an unique decryption key. Sadly, this is definitely true. The sort of cryptography mechanism used by Thana is still not properly examined. Still, it is definitely specific that each victim might be given the specific decryption key, which is completely distinct. It is difficult to restore the files without the key available.
Another trick of Thana is that the victims cannot gain access to the key. The key is kept on a particular server run by the frauds associated with Thana ransomware. To get the key and recover the important information people need to pay the ransom.
Thana encrypted your documents, but that might not be the only damage done to you. The ransomware might still be hidingon your computer. To identify whether this holds true, we suggest downloading GridinSoft Anti-Malware.
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However, irrespective of the asked for amount, people must stay away from paying the ransom virus. Cyber frauds are unfair, so they tend to entirely ignore what their victims feel about the issue, even when the payment reaches their pockets. This is why paying the ransom generally does not give any positive result and people just lose their money for nothing.
We highly advise that you do not contact these crooks and absolutely do not transfer money into their accounts. It is said to admit that there are no utilities able to crack Thana ransomware and to recover the information data totally free. Thus, the only right decision is to recover the lost data from the available backup.
Virus Summary
| Name | Thana Ransomware |
| File Extension | .thana |
| Type | Ransomware |
| Family | Filecoder |
| 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 and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special thana extension to all the files modified by it. |
| Distribution Method | Spam Emails, Email Attachments |
| Removal Tool | GridinSoft Anti-Malware |
Bear in mind that the world wide web is now overwhelmed with threats that look comparable to Thana ransomware. Malicious programs of such kind are normally elaborated to encrypt crucial data and to state the demand prior to the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a comparable algorithm to produce the special decryption key for information decryption.
Thus, as long as the ransomware is still being developed or has some hidden bugs, manually recovering the information is just not feasible. The only way to prevent the loss of your crucial data is to frequently create backups of your important information.
Remember that even if you create such backups, they should be put into a special storage utility not connect to your main PC. You may use the USB Flash Drive or external disk drive for this purpose, or refer to the help of the cloud storage. If you keep your backup files on your common system they may be encrypted in addition to other files, so it’s certainly not a good storage place.
How did ransomware infect my PC?
There are a number of methods used by online frauds to distribute Thana virus. Although it doubts how exactly Thana injects your PC, there are some leaks through which it may infiltrate the system:
- integration with third-party software application, especially freeware;
- spam e-mails from unidentified senders;
- websites rendering free hosting services;
- pirated peer-to-peer (P2P) downloads.
Frequently Thana virus may be presented as some legitimate software, for instance, in the pop-ups instructing users to carry out some important software application updates. This is the typical technique used by online frauds to persuade people into downloading and installing Thana infection manually, by ways of their direct participation in the installation process.
Additionally, the criminals might describe various email spam strategies to inject destructive codes into PC. So, they may describe to sending unsolicited spam e-mails with tricky notifications promoting users to download the attachments or click on certain download links, for example, the ones motivating users to open some photos, documents, tax reports or invoices.
Needless to mention, opening such files or clicking on such dangerous links may significantly damage the PC. Fictitious Adobe Flash Player upgrade notifies may result in Thana ransom injection. When it comes to the cracked software, these illegally downloaded programs may also contain destructive codes leading to Thana secret installation. Lastly, injection of Thana may take place by ways of Trojans that privately get injected into the system and set up destructive tools without the user’s approval.
Is there any way to prevent the injection of Thana ransom virus?
Although there is no 100% guarantee to avoid your PC from getting infected, there are some pieces of guidance we want to share with with you. Firstly, be very mindful when you surf the web and especially while downloading complimentary programs. Stay away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.
Bear in mind that some freeware installers may include other unwanted utilities in the bundle, so they may be destructive. Ensure that your current anti-virus and your entire operating system is always appropriately updated.
Of course, downloading pirated software is prohibited and may lead to necessary damage to be made for your PC. Hence, stay away from downloading cracked software. You are also strongly advised to reconsider your existing security software and potentially change to another security solution that can render better services of defending your PC.
Below please find the quotation from the Thana text file:
Ransomware Note : 1 - What Happened to My Computer ? Your business is at serious risk. There is a significant hole in the security system of your company. We\'ve easily penetrated your network and now all your files, documents, photos, databases, ...are safely encrypted with the strongest millitary algorithms RSA4096 and AES-256. No one can help you to restore files without our special decoder (thanatos decryption). We have also uploaded a lot of files from your network on our secure server, so if you refuse to pay the ransom,those files will be published or solded to competitors. 2 - Can I Recover My Files ? Sure, we guarantee that you can recover all your files safely. If you want to restore your files write to recoba90@protonmail.com and attach 2 encrypted files (Less than 2MB each) and we will decrypt them. Please don\'t forget to precise the name of your compagny and your unique identifier key in the e-mail. But if you want to decrypt all your files, you need to pay. You only have 5 days from this moment to submit the payment. After that all your files will be lost definitely. 3 - How Do I Pay ? Payment is accepted in bitcoin only. You can buy bitcoins from : -hxxps://www.coinbase.com -hxxps://localbitcoins.com The final price of decryption is 500$ . First : Send 500$ worth of bitcoin to the following address : 32bzWrWXXbWGSwB4gGTQt8RdzuNQVaS9Md Second: send an e-mail to recoba90@protonmail.com and don\'t forget to precise the name of you compagny, your wallet ID and your unique identifier key. After that, we will send you our thanatos decryption tool to restore all your files. !!!!Be warned, we won\'t be able to recover your files if your start fiddling with them.!!!! Thanatos ransomware No System Is Safe Bitcoin wallet to make the transfer to is: 32bzWrWXXbWGSwB4gGTQt8RdzuNQVaS9Md Unique Identifier Key (must be sent to us together with proof of payment): -------- - -------- Number of files that you could have potentially lost forever can be as high as: 516
Screenshot of files with “.thana” extension added by the ransomware:
Use GridinSoft Anti-Malware to remove Thana 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.
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