SystemCrypter ransomware
Ransomware | 06/26/2019

SystemCrypter | a latest threat to Digital World

About: SystemCrypter | A recent malware that has encrypted various systems across the globe. Remove the malware by following some simple steps given in the guide

| Ransomware | SystemCrypter | a latest threat to Digital World

What is SystemCrypter?

SystemCrypter is an encryption ransomware that will lock important files on your PC advises the victim to pay a ransom in BTC. It was first seen troubling the gadgets somewhere around mid-June this year.

 

system crypter

 

It is coded in Python which makes it difficult to decrypt the malware. Though it share its algorithms and structures with the EncryptedServer2018 ransomware still it can’t be said evidently that developers of both the codes are related somehow.

 

locked files

 

By the moment this malware reaches your system it encrypts your personal files with an extension, ‘.crypted’ and makes it impossible for you to access those files. After your files have been locked by SystemCrypter a message will be displayed on the current screen stating that you have been locked out of your files. In order to remove the encryption it will advise you to pay a ransom of about 0.066 BTC (around $ 600).

Threat Summary

 

Threat summary

 

Threat Behavior

After the infiltration of your system by this malware, it continues to find the files that are present in your local hard drive and all other connected storage devices. After its search is complete the malware encrypts the files with help of AES-256 encryption algorithm and encrypts the files with an extension, ‘.crypted’. This extension had been used by many other crypto virus developers in the past.

 

ransom note

 

After this encryption the users will not be able to access their personal data that includes photos, documents, videos, databases and other important files. It then seeds a pop-up window, SystenCrypter v2.40 that displays the reason behind this encryption via a note.

 

ransom message

 

The note finally discloses the motive stating to meet the developers’ demands by paying via BTC. The amount is fixed at 0.066 BTC and has to be paid to the Bitcoin address, 18ixe82TGy3hUwmmvZVU75tCVoRyeNoYvY.

Distribution methods

There are ample of ways in which your system can get infected by the SystemCrypter ransomware:

  • Spam mails
  • Third-party pirated softwares and their crack versions
  • Injected via Web
  • Exploit kits
  • Untimely and fake updates

Careless users are the targets of the developers of these malwares. Users who do not use antivirus are the ones at risk. There are different malicious attachments that are received with the spam mails or third-party downloads. These attachments start running in the background without the acknowledgment of the user.

 

Removal Steps:

(A) Reboot 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.

 

(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 SystemCrypter. 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 SystemCrypter

OR

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 SystemCrypter 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 SystemCrypter

 

OR

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.

 

Prevent your PC from the attacks in future

In most of the cases, the users are able to retrieve the files as the encryption module is not that effectively delivered to the PC. Still it is advised to keep a backup stored on hard drives or on cloud servers. Flash drives can also be used for storing backup.

There are some ordinary precautions that one can take in order to protect your system from malicious interventions.

  • Windows OS must be updated regularly as it’s easier for the developers to hack older versions of OS.
  • Avoid downloading cracked version of software as they may be a prominent source of this devastating act.
  • Installing powerful anti-virus software such as Hitman pro and Vipre to keep your system secure.
  • No matter how genuine the spam mail seems to appear, the attachments with that mail may infect your system.
  • Install a good ad-blocker that will help you to block malicious ads that contain unexpected malwares.

 

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