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

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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

NameTQV Ransomware
TypeRansomware, Cryptovirus
Short DescriptionEncrypts 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.
SymptomsYour important files are encrypted with an added .TQV file extension to them. A ransom note, called @@README.txt is also added.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by TQV Ransomware

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User ExperienceJoin Our Forum to Discuss TQV Ransomware.
Data Recovery ToolWindows 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.

Note! Your computer system may be affected by TQV Ransomware and other threats.
Scan Your PC with SpyHunter
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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.

To remove TQV Ransomware follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove TQV Ransomware files and objects
2. Find files created by TQV Ransomware on your PC

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
4. Try to Restore files encrypted by TQV Ransomware

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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2 Comments

  1. Truong 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. Vencislav 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

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