THREAT REMOVAL

.TQV Files Virus (Ransomware) – How to Remove and Recover Data

This article has been created with the purpose to explain what is the .TQV files virus and how you can remove this ransomware virus effectively from your computer system plus how you can restore files that have been encrypted by it on your computer.

A new ransomware has been detected on the block, reportedly encrypting the files on the computer systems, compromised by it. The infection’s primary purpose is to convince victims to have their files encrypted by the virus after which have the .TQV file extension added to them. The .TQV files virus then aims to get users to pay a hefty ransom fee, by dropping a ransom note, called @@README.txt, containing the ransom message, which demands from victims to pay a hefty ransom in order to recover the files and make them able to be opened again. If your computer system has been attacked by the .TQV files virus, it is strongly advisable to follow the instructions that are underneath this article as they aim to show you how you can effectively remove this ransomware and restore the files, encoded by it.

Threat Summary

Name TQV Ransomware
Type Ransomware, Cryptovirus
Short Description Encrypts the files on your computer and leaves them no longer able to be opened until you pay ransom. Also threatens to leak the files if you do not pay ransom.
Symptoms Your important files are encrypted with an added .TQV file extension to them. A ransom note, called @@README.txt is also added.
Distribution Method Spam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by malware

Download

Malware Removal Tool

User Experience Join Our Forum to Discuss TQV Ransomware.
Data Recovery Tool Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.TQV Files Virus – Spread

For the .TQV file ransomware to be spread onto the computers of victims, the malware may pretend to be various types of legitimate files. The types of files it may mask if you see it in your e-mail inbox are usually believed to be different fake documents, like:

  • Invoices.
  • Order receipts.
  • Banking letters.
  • Account activity reports.

The e-mails that are usually used tend to contain deceptive tactics, such as pretend to come from various big companies from the likes of PayPal, LinkedIn, FedEx, DHL and even banking institutions. The messages themselves may be very convincing, for example:

But malicious e-mails are not the only way that can help replicate this virus. The malicious files may also come onto victims’ computers as a downloaded file from what appears to be a malicious website, for example:

  • Software setup.
  • Software or games crack.
  • Pach.
  • Keygen.
  • A Driver setup.
  • Portable software or games.

.TQV Files Virus – Analysis

The TQV ransomware virus is the type of malware which has been associated with a number of malicious files dropped in various folders on the computers of victims. The virus’s main goal is to make the important files on your PC a weapon against you and hold them hostage until a ransom has been paid. To reach it’s end goal, the ransomware drops it’s main payload file, that has the following information:

→ SHA-256:d9a1afc8536fb2bb27e7155d8506baf1ff38ffd5dd12a84b50e63c94b961f553
Name:TQVRansomware.exe
Size:148 KB

The file and other files that may be complementary to it may be dropped in the following Windows directories:

  • %LocalLow%
  • %Local%
  • %AppData%
  • %Temp%
  • %Roaming%

Among the dropped files is the ransom note of TQV ransomware, which is named @@README.txt and has the following message to victims:

Your files had been encrypted Please send me $100 to get your files back

Send your information includes Security code, Computer name and Username to {e-mail}

Your security code is: {CODE HERE} After receiving password, run TQVDecrypt on your desktop to decrypt files

In addition to this, the TQV ransomware virus is also the type of infection that may modify the Windows registry sub-keys below. The modification is composed of created registry entries in different sub-keys in order to get this malware to perform different automatic activities, like run on Windows start-up or open files automatically as well.

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Personalization

But the TQV ransomware threat does not stop there. The virus may also delete the system backups and shadow volume copies. The deletion of those usually occurs by running the following Windows Command Prompt commands as an administrator on the victim PC:

→ process call create “cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryeenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures”

TQV Ransomware – Encryption Process

The encryption process of TQV ransomware has been created in order to help victims to perform a scan of the files the virus is about to encrypt. The virus aims to look for files based on their file extensions. These files are usually the following types:

“PNG .PSD .PSPIMAGE .TGA .THM .TIF .TIFF .YUV .AI .EPS .PS .SVG .INDD .PCT .PDF .XLR .XLS .XLSX .ACCDB .DB .DBF .MDB .PDB .SQL .APK .APP .BAT .CGI .COM .EXE .GADGET .JAR .PIF .WSF .DEM .GAM .NES .ROM .SAV CAD Files .DWG .DXF GIS Files .GPX .KML .KMZ .ASP .ASPX .CER .CFM .CSR .CSS .HTM .HTML .JS .JSP .PHP .RSS .XHTML. DOC .DOCX .LOG .MSG .ODT .PAGES .RTF .TEX .TXT .WPD .WPS .CSV .DAT .GED .KEY .KEYCHAIN .PPS .PPT .PPTX ..INI .PRF Encoded Files .HQX .MIM .UUE .7Z .CBR .DEB .GZ .PKG .RAR .RPM .SITX .TAR.GZ .ZIP .ZIPX .BIN .CUE .DMG .ISO .MDF .TOAST .VCD SDF .TAR .TAX2014 .TAX2015 .VCF .XML Audio Files .AIF .IFF .M3U .M4A .MID .MP3 .MPA .WAV .WMA Video Files .3G2 .3GP .ASF .AVI .FLV .M4V .MOV .MP4 .MPG .RM .SRT .SWF .VOB .WMV 3D .3DM .3DS .MAX .OBJ .BMP .DDS .GIF .JPG ..CRX .PLUGIN .FNT .FON .OTF .TTF .CAB .CPL .CUR .DESKTHEMEPACK .DLL .DMP .DRV .ICNS .ICO .LNK .SYS .CFG”

After encrypting the files on the compromised computer system, the TQV ransomware virus’s primary purpose is to render the files to no longer be able to be used. To reach it’s end goal, the TQV Ransomware may delete the original files and create copies of them which are basically their encrypted analogues. To “mark” the copies with it’s own signature, TQV Ransomware leaves the files with it’s custom file extension and they begin to appear like the following:

Remove TQV Ransomware and Restore .TQV Files

In order to make sure that this version of .TQV file ransomware is gone from your computer, it is recommended that you follow the removal instructions underneath this article. They have been created with the purpose of assisting you into removing the .TQV files virus either manually or automatically by following the removal instructions below. If manual removal is not something you feel confident in, it is natural that you try the most effective method according to security experts – using an advanced anti-malware software to take care of the removal for you at a click of a button.

If you want to restore files that have been encrypted by ransomware virus, one method is to try and use the alternative methods underneath in step “2. Restore files, encrypted by TQV Ransomware” They have been created in order to help you restore as many encrypted files as possible without having to pay ransom, even though they are not 100% effective.

Avatar

Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

More Posts - Website

Follow Me:
Twitter


Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.

As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.

How to recognize trustworthy sources:

  • Always check "About Us" web page.
  • Profile of the content creator.
  • Make sure that real people are behind the site and not fake names and profiles.
  • Verify Facebook, LinkedIn and Twitter personal profiles.


OFFER

REMOVE IT NOW (PC)
with Anti-Malware
We recommend you to download SpyHunter and run free scan to remove all virus files on your PC. This saves you hours of time and effort compared to doing the removal yourself.
SpyHunter 5 free remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read EULA and Privacy Policy


Windows Mac OS X

How to Remove TQV Ransomware from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove TQV Ransomware

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R


2. The "Run" Window will appear. In it, type "msconfig" and click OK.


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.


5. You can recognise Safe Mode by the words written on the corners of your screen.


Step 2: Uninstall TQV Ransomware and related software from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.


2. In the field type in "appwiz.cpl" and press ENTER.


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most programs.


Step 3: Clean any registries, created by TQV Ransomware on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by TQV Ransomware there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.


3. You can remove the value of the virus by right-clicking on it and removing it.
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for TQV Ransomware with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter5-update-2018


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter5-Free-Scan-2018


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter-5-Free-Scan-Next-2018

If any threats have been removed, it is highly recommended to restart your PC.

Step 5 (Optional): Try to Restore Files Encrypted by TQV Ransomware.

Ransomware infections and TQV Ransomware aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.


Windows Mac OS X

Get rid of TQV Ransomware from Mac OS X.


Step 1: Uninstall TQV Ransomware and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:


2. Find Activity Monitor and double-click it:


3. In the Activity Monitor look for any suspicious processes, belonging or related to TQV Ransomware:

Tip: To quit a process completely, choose the “Force Quit” option.


4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.


5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to TQV Ransomware. If you find it, right-click on the app and select “Move to Trash”.


6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to TQV Ransomware. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove TQV Ransomware via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as TQV Ransomware. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents
/Library/LaunchDaemons

Tip: ~ is there on purpose, because it leads to more LaunchAgents.


Click the button below below to download SpyHunter for Mac and scan for TQV Ransomware:


Download

SpyHunter for Mac



Step 3 (Optional): Try to Restore Files Encrypted by TQV Ransomware.

Ransomware infections and TQV Ransomware aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.


TQV Ransomware FAQ

What is TQV Ransomware ransomware and how does it work?

TQV Ransomware is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.

Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.

How does TQV Ransomware ransomware infect my computer?

Via several ways.TQV Ransomware Ransomware infects computers by being sent via phishing e-mails, containing virus attachment.

This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.

After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.

Another way, you may become a victim of TQV Ransomware is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.

How to open .TQV Ransomware files?

You can't. At this point the .TQV Ransomware files are encrypted. You can only open them once they are decrypted.

Decryptor did not decrypt my data. What now?

Do not panic and backup the files. If a decryptor did not decrypt your .TQV Ransomware files successfully, then do not despair, because this virus is still new.

One way to restore files, encrypted by TQV Ransomware ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.

How Do I restore ".TQV Ransomware" files (Other Methods)?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .TQV Ransomware files.

These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.

How do I get rid of TQV Ransomware ransomware virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate TQV Ransomware ransomware and then remove it without causing any additional harm to your important .TQV Ransomware files.

Also, keep in mind that viruses like TQV Ransomware ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.

What to Do If nothing works?

There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:

  • Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
  • Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
  • Also, check if some of the files that were encrypted it can be re-downloaded from the web.
  • Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
  • You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.

More tips you can find on our forums, where you can also asks any questions about your ransomware problem.

2 Comments

  1. AvatarTruong Quoc Vi

    Hello, I am the author of this ransomware. I created this ransomware just for studying purpose. It I uploaded this malware to virustotal just to check without sending to anyone. This post contain my personal e-mail. Please censor it!

    Reply
    1. AvatarVencislav Krustev (Post author)

      Hello, If you did create this malware sample for educational purpose, please note that it still could be exploited by malicious hackers. Hackers also have access to VirusTotal and can easily obtain this sample. In fact, it is highly likely that this has already happened. We will censor your e-mail address as requested but please be more careful in the future.

      Reply

Leave a Comment

Your email address will not be published. Required fields are marked *

Time limit is exhausted. Please reload CAPTCHA.

Stay tuned
Subscribe for our newsletter regarding the latest cybersecurity and tech-related news.