Truke Ransomware
Ransomware | 06/27/2019

Truke – The Recent Menacing Member of the Ransomware Family

About: Truke Ransomware is a nasty new member of the Ransomware family & a variant of DJVU Ransomware. It is infecting systems at a massive scale. It is rendering user & system files inaccessible by encrypting them & appending “.truke” extensio...  Read More  

| Ransomware | Truke – The Recent Menacing Member of the Ransomware Family

Guide To Remove Truke Ransomware

Truke is the name of the newly discovered Ransomware that belongs to the Djvu Ransomware Family. It is reported to have infected a large number of systems across the world so far. Infected e-mail attachments & torrent websites are the prime means using which Truke Ransomware propagates its infection.

Ransom Note For Truke

Once the system is infected, Truke employs AES & RSA cryptography method to encrypt user & system files. It renames the files by appending “.truke” extension to the filenames & hence makes them inaccessible to the users.

Threat Summary

Name Truke
Type Ransomware
Category Malware
Operating System Impacted Windows
Targeted Browser Google Chrome, Internet Explorer, Mozilla Firefox


Threat Behavior of Truke Ransomware

Truke Ransomware is the recent menacing member of the giant Malware Family. It is a variant of the devious STOP (DJVU) Ransomware & has been detected to spread its infection at an alarming rate.

Truke Cryptovirus encrypts & locks the user & system data found on the impacted Hard-drive & even on the network-shared location. In order to make it arduous for the users to recover their files, Truke uses strong cryptographies such as AES & RAS. These highly-complex Encryption Algorithms require a complicated private key to decrypt the files.

The original files names are renamed by appending .truke extension to the filenames.

For example– The file name “image1.jpg” might be renamed as “image1.jpg.truke”.

The files targeted by the Truke Ransomware may include files with the extensions mentioned below-

  • Document files (.docx, .doc, .odt, .rtf, .text, .pdf, .htm, .ppt)
  • Audio Files (.mp3, .aif, .iff, .m3u, .m4u, .mid, .mpa, .wma, .ra, .avi, .mov, .mp4)
  • Video Files (.3gp, .mpeg, .3g2, .asf, .asx, .flv, .mpg, .wmv, .vob)
  • Images (.jpg, .jpeg, .raw, .tif, .gif, .png)
  • Backup Files (.bck, .bckp, .tmp, .gho)

The primary purpose behind encrypting the files is to extort money by making the victims pay Ransom for the encrypted files.

Following the encryption, Truke Virus generates a ransom note in text format named as “_readme.txt”. A Copy of this ransom note is dropped in every existing folder.


The Ransom Note & Amount for Truke Ransomware

Truke Ransomware delivers a ransom-demanding note on the infected system which is in the text format & named as “_readme.txt”.

The note appears in the form of a program window & holds the title – “Attention”.

The Ransom Note for the Truke Ransomware states that the all the files are encrypted with a complex encryption method & a private key.

To purchase the decryption key, victims are required to pay a ransom amount of $980. In case, the victim contacts the hackers within 72 hours of encryption, they will receive 50% discount on the ransom amount, which is $490.

In addition to that, users are asked to contact the hackers on the e-mail address – or

Ransom Note for truke Ransomware

The ransom note further prompts the users to send one encrypted file to the Truke’s developers, which will be restored for free & sent back to the victim as a guarantee that files can be actually decrypted.

Despite of such claims, victims are advised not to make any payment to the hackers. Research analysis has shown that the hackers usually avoid the victims once the ransom amount has been received.

It is evident that paying Ransom Amount yields no positive result; hence all the encouragements to pay ransom & contact the hackers should be ignored.

Users must ensure to regular back their data, be vigilant while visiting torrent websites & avoid clicking on the spam e-mail attachments.

Distribution Techniques of Truke Ransomware

The hackers behind Truke Ransomware use various techniques to propagate its infection. These may include:

1). Spam E-mail campaigns & infected attachments

2). Unreliable Third-party software download sources

3). Unofficial download sources (free file-hosting sites, P2P networks)

4). Fake Software Cracks/updaters, freeware, shareware

5). Software Bundling can download Trojans, Ransomware & other malware.

6). By visiting questionable torrent websites & other malware-laden sites



How to Remove Truke Ransomware infection from the system

STEP A: Reboot your system using Safe Mode with Networking 

To restart the system to Safe Mode with Networking,  if already switched ON then follow the below steps:

Windows 7/ Vista/ XP

  1. Click on Windows icon present in the lower left corner of the computer screen.
  2. Select and click  Restart.
  3. When the screen goes blank, Keep tapping  F8  Key until you see the Advanced Boot Options window.
  4. With the help of arrow keys on keyboard, Select Safe Mode with Networking  option from the list and press the Enter Key. The system will then restart to Safe Mode with Networking.

5 Click on the username and enter the password (if any).

Windows 10 / Windows 8

  1. Press and hold the Shift Key and simultaneously click on the windows icon present in the lower left corner of your computer screen.
  2. While the Shift key is still pressed click on the Power button and then click on Restart.
  3. Now select Troubleshoot → Advanced options → Startup Settings.
  4. When the Startup Settings screen appears which is the first screen to appear after restart, select and click on Enable Safe Mode with Networking. The system will then restart to Safe Mode with Networking.
  5. Click on the username and enter the password.

STEP B:  Restore your system files and settings

Method 1 using Control Panel

  1. Click on the ‘Start’ button on the taskbar. This will open the Start menu.
  2. Click on the ‘Control Panel’ button in the Start menu. This will open the control panel window.
  3. In the Control Panel window, click on the ‘View by:’ button on the top right. Select the Large Icon option
  4. In the control Panel window click on the ‘Recovery Icon’. This will open a window that will ask ‘Restore the computer to an earlier point in time’.
  5. Click on the ‘Open system restore’ button. This will open the ‘system restore ’window where you need to click on the Next Button.
  6.  Select the restore point that is prior the infiltration of Truke Ransomware.After doing that, click Next.
  7. This will open the ‘Confirm your restore point’ dialog box. Click on Finish button. This will restore your system to a previous restore point before your system was infected by Truke Ransomware.


Method 2 using Command Prompt

  1. Type cmd in the search box and click on the command prompt to open the Command Prompt window. box and clicking on it.
  2. Once the Command Prompt window shows up, enter cd restore and click Enter.(Ensure that you in the system32 directory of Windows folder in C Drive)
  3. Now type rstrui and press Enter again.
  4. When a new window shows up, click Next and select your restore point that is prior the infiltration of Truke Ransomware. After doing that, click Next.
  5. This will open the ‘Confirm your restore point’ dialog box. Click on Finish button. This will restore your system to a previous restore point before your system was infected by Truke Ransomware



Method 3 : Directly type 'rstrui' in the search box

  1. Type ‘Rstrui’ in the search box present on the task bar. This will open the System restore dialog box.

Continue to follow steps 4 & 5 of Method 2 to restore the System Files and settings.

STEP C: Check System Configuration Settings

  1. Type “Msconfig” in search box / Run Box, select it and press Enter.
  2. Click on “Services” Tab and click on “Hide all Microsoft services”.
  3. Select Truke Ransomware from the list of remaining services and disable it by removing the tick mark from the checkbox and click on Apply button.

Windows 7

  1. Click on the next tab – “Startup”.
  2. Find any blank or suspicious entry or the entry with Truke Ransomware mentioned and remove the check mark.
  3. Click on Apply button and then click on OK.

Windows 10

  1. Click on the next tab – “Startup”.
  2. Take the mouse cursor to ‘Open task Manager‘ link and click on it.  This opens the Task Manager window.
  3. Find any blank or suspicious entry or the entry with Truke Ransomware mentioned and click on it.
  4. Then click on Disable button.

How to prevent Truke Ransomware from infecting your system

  1. Keeping the Operating System Updated- In order to remain protected and avoid such infections, it is recommended to keep your Operating System updated by enabling the automatic update on your system. The systems with outdated or older versions of Operating System become an easy target for the attackers.
  2. Resist clicking on spam emails – One of the major techniques used for malware distribution is forwarding spam emails to the user. The system gets infected as soon as the user clicks on the attachment. These mails appear to be genuine, so be aware and resist falling for these tricks.
  3. Keep an eye on third party installations- It is quite important that you take due care while installing any third party applications for they are major source of such infections. Such malware programs come bundled with the free applications thereby requiring the user to remain cautious.
  4. Regular periodical backup- In order to keep your data and files safe, it is recommended to take regular back up of all your data and files either on an external drive or cloud.
  5. Use Anti-Virus Protection- We strongly recommend the use of antivirus protection/internet security in your PC like 360 Total Security, Kaspersky and Vipre so that it remains safe.
  6. Enable the Ad Blocker/Popup Blocker in your browser- Enabling the popup blocker/ ad blocker in your chosen browser will help you to stay protected from annoying adware.

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