TNWKGBVL Virus 🔐 (.TNWKGBVL Files) — How to Remove?

The Tnwkgbvl virus belongs to the Snatch ransomware family. Malware of this type encrypts all the data on your PC (images, text files, excel sheets, audio files, videos, etc) and appends its own extension to every file, leaving the HOW TO RESTORE YOUR TNWKGBVL FILES.TXT text files in every directory which contains the encrypted files.

Tnwkgbvl virus: what is known so far?

☝ A strictly accurate denomination for the Tnwkgbvl is “a Snatch family ransomware-type infection”.

Tnwkgbvl appends its specific .tnwkgbvl extension to every file’s title. For instance, an image named “photo.jpg” will be renamed to “photo.jpg.tnwkgbvl”. Just like the Excel file named “table.xlsx” will end up as “table.xlsx.tnwkgbvl”, and so on.

In every directory that contains the encoded files, a HOW TO RESTORE YOUR TNWKGBVL FILES.TXT text file will be created. It is a ransom money memo. Therein you can find information on the ways of contacting the racketeers and some other remarks. The ransom note usually contains instructions on how to purchase the decryption tool from the Tnwkgbvl developers. That is basically the scheme of the felony.

Tnwkgbvl overview:
Name Tnwkgbvl Virus
Ransomware family1 Snatch ransomware
Extension .tnwkgbvl
Ransomware note HOW TO RESTORE YOUR TNWKGBVL FILES.TXT
Detection Win32.Virlock.Gen.4, NSIS/Injector.MK, Generic.Trojan.Malicious.DDS
Symptoms Your files (photos, videos, documents) get a .tnwkgbvl extension and you can’t open them.
Fix Tool See If Your System Has Been Affected by Tnwkgbvl virus

In the picture below, you can see what a directory with files encrypted by the Tnwkgbvl looks like. Each filename has the “.tnwkgbvl” extension appended to it.

Tnwkgbvl Virus - encrypted .tnwkgbvl files

That is how encrypted “.tnwkgbvl” files look.

How did my computer get infected with Tnwkgbvl ransomware?

There is a huge number of possible ways of ransomware injection.

There are currently three most popular methods for malefactors to have ransomware working in your system. These are email spam, Trojan injection and peer-to-peer file transfer.

If you open your inbox and see emails that look just like notifications from utility services providers, delivery agencies like FedEx, Internet providers, and whatnot, but whose addresser is strange to you, be wary of opening those emails. They are very likely to have a ransomware file enclosed in them. So it is even riskier to download any attachments that come with letters like these.

Another option for ransom hunters is a Trojan file scheme. A Trojan is an object that infiltrates into your computer pretending to be something legal. Imagine, you download an installer of some program you need or an update for some service. However, what is unboxed reveals itself a harmful program that encodes your data. Since the installation package can have any title and any icon, you’d better be sure that you can trust the resource of the things you’re downloading. The optimal way is to trust the software developers’ official websites.

As for the peer file transfer protocols like BitTorrent or eMule, the threat is that they are even more trust-based than the rest of the Web. You can never know what you download until you get it. Our suggestion is that you use trustworthy websites. Also, it is reasonable to scan the directory containing the downloaded items with the anti-malware utility as soon as the downloading is complete.

How do I get rid of the Tnwkgbvl virus?

It is important to note that besides encrypting your files, the Tnwkgbvl virus will most likely install Vidar Stealer on your machine to get access to credentials to different accounts (including cryptocurrency wallets). The mentioned spyware can extract your credentials from your browser’s auto-filling cardfile.

Sometimes tamperers would decrypt several of your files so you know that they really have the decryption tool. Since Tnwkgbvl virus is a relatively recent ransomware, safety measures developers have not yet found a method to reverse its work. However, the decoding tools are constantly updated, so the solution may soon arrive.

Sure thing, if the hackers do the job of encrypting victim’s essential files, the desperate person will probably comply with their demands. Despite that, paying to criminals does not necessarily mean that you’re getting your blocked information back. It is still risky. After receiving the ransom, the racketeers may send a wrong decryption code to the victim. There were reports about malefactors just disappearing after getting the ransom without even bothering to reply.

The best safety measure against ransomware is to have a system restore point or the copies of your critical files in the cloud drive or at least on an external disk. Of course, that might be insufficient. Your most crucial thing could be that file you were working upon when it all went down. Nevertheless, it is something. It is also reasonable to scan your PC for viruses with the anti-malware utility after the system is rolled back.

There are other ransomware products, besides Tnwkgbvl, that work similarly. Examples of those are Ahgr, Ahtw, Bhui, and some others. The two major differences between them and the Tnwkgbvl are the ransom amount and the encoding method. The rest is almost identical: documents become encoded, their extensions altered, ransom notes are found in every folder containing encrypted files.

Some fortunate people were able to decode the arrested files with the aid of the free software provided by anti-malware developers. Sometimes the criminals accidentally send the decoding key to the wronged in the ransom readme. Such an extraordinary fail allows the injured part to restore the files. But naturally, one should never rely on such a chance. Remember, ransomware is a tamperers’ tool to lay their hands on the money of their victims.

How do I avert ransomware attack?

Tnwkgbvl ransomware has no endless power, so as any similar malware.

You can defend your computer from ransomware injection in several easy steps:

  • Ignore any emails from unknown senders with strange addresses, or with content that has likely no connection to something you are waiting for (can you win in a money prize draw without even taking part in it?). If the email subject is more or less something you are waiting for, scrutinize all elements of the questionable email with caution. A fake letter will surely have a mistake.
  • Never use cracked or untrusted programs. Trojan viruses are often distributed as a part of cracked software, most likely under the guise of “patch” preventing the license check. But untrusted programs are very hard to distinguish from trustworthy software, as trojans may also have the functionality you seek. Try searching for information on this program on the anti-malware message boards, but the best solution is not to use such programs at all.
Reasons why I would recommend GridinSoft2

Download Removal Tool.

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

FAQ

đŸ€” How can I open “.tnwkgbvl” files?Is it possible to open“.tnwkgbvl” files?

Negative. That is why ransomware is so frustrating. Until you decode the “.tnwkgbvl” files you will not be able to access them.

đŸ€” I really need to decrypt those “.tnwkgbvl” files ASAP. How can I do that?

It’s good if you have fаr-sightedly saved copies of these important files elsewhere. Otherwise, you might try to employ System Restore. The only question is whether you have saved any Restore Points that would be helpful now. All other solutions require time.

đŸ€” What should I do if the Tnwkgbvl ransomware has blocked my computer and I can’t get the activation key.

đŸ€” And what should I do now?

Some of the encrypted files can be found elsewhere.

  • If you exchanged your critical files through email, you could still download them from your online mail server.
  • You might have shared images or videos with your friends or family members. Just ask them to send those pictures back to you.
  • If you have initially got any of your files from the Web, you can try downloading them again.
  • Your messengers, social networks pages, and cloud storage might have all those files too.
  • It might be that you still have the needed files on your old computer, a portable device, mobile, memory stick, etc.

USEFUL TIP: You can use file recovery utilities4 to retrieve your lost information since ransomware encodes the copies of your files, deleting the original ones. In the video below, you can see how to use PhotoRec for such a recovery, but remember: you can do it only after you remove the virus with an antivirus program.

Also, you can contact the following official fraud and scam sites to report this attack:

To report the attack, you can contact local executive boards. For instance, if you live in USA, you can have a talk with FBI Local field office, IC3 or Secret Service.

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Brendan Smith

References

  1. My files are encrypted by ransomware, what should I do now?
  2. Here are Top 10 Data Recovery Software Of 2023.

About the author

Brendan Smith

Cybersecurity analyst covering malware families, suspicious files, and detection alerts. Brendan focuses on clear explanations of what a warning means, when it may be a false positive, and which cleanup steps are appropriate.

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