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Ransomware | 07/08/2019

How To Remove .sarut File Virus from your system?

About: .sarut file virus is a malicious program developed with great financial motive. It encrypts the files & blackmails the user to pay large amount of ransom, usually in bitcoins.

| Ransomware | How To Remove .sarut File Virus from your system?

What is .sarut file virus?

The .sarut file virus attack begins with the encryption of files! Being a variant of STOP ransomware family, it uses the same algorithm to fulfill its evil idea. Once, it makes itself comfortable in your system, scrutinize every corner of the system for targeted files. After locating the files, it appends a unique extension with the file names. Hence, makes them unusable!

sarut Ransomware

Remember, if a piece of information is locked by crypto virus, you can no longer access it. This is the reason encrypted files are regarded as unbreakable! It is next to impossible to manually restore data encrypted by .sarut virus. Hence, we require the decryption key, which is stored on the hacker’s server. However, the hackers enable the key only after receiving the ransom amount.

Developers, compel the victim to pay the amount by displaying a ransom-demanding message on their screen. Apart from demanding ransom, it also notifies about your data loss. If you fail to pay the ransom within the prescribed time, hackers may destroy your data permanently.

Hence, the victim with the fear of losing their important data/files, get ready to pay the asked ransom. However, by paying the ransom, you only support the spread of evil. Hence, it is important to remove .sarut ransomware virus from your system ASAP.

Threat Summary

Name Sarut Virus
Type Ransomware
Category Malware
Targeted OS Windows, iOS
Targeted Bowser Google Chrome, Internet Explorer, Mozilla Firefox

 

Distribution Technique

The primary gateway of stop .sarut ransomware is the spam campaigns. During the spam campaign, hackers sent spam e-mails with malicious attachments to the targeted system. The e-mails look legitimate and real, however the danger lies within the content or the attachment. Most of the time, such e-mails are sent with the name of some well-known shipping companies. FedEx, eBay or DHL are the most used names. Generally, they inform you about an undelivered package or the invoice of a shipment that you made. Either way, when you open the e-mail or the attachment, your system is exposed to destructive crypto virus – .sarut. The content of attachment is basically the hidden malicious macros. Once opened, it triggers the script of .sarut extension and launches the malware payload on your system.

Even though the sender of such e-mails looks trustworthy or legitimate, you should not access any suspicious e-mails or files. Instead, you should immediately delete such questionable e-mails.

Apart from spam attacks, beware of the fake software updates. Fake updaters may infiltrate your system by exploiting the outdated bugs or installing other malicious applications in your system without your knowledge.

To conclude, we can say that the main reason for such infiltration is lack of proper knowledge and reckless behavior.

 

Threat Behavior

Once it gets inside your system, the first job is to scan every inch of your system to locate the targeted files. It may include your personal documents, images, audio-video files and even back up files. After locating the targeted files, it encrypts and makes them unusable. While encrypting the files, it does not show any specific symptom as it works silently in the background.

Once the encryption process is completed, the malicious .sarut file virus generates a unique decryption key. This key is stored on the hacker’s server and is used to decrypt .sarut files in your system. Getting the decryption key is not a piece of cake! Hackers demand for hefty ransom (in bitcoins) in exchange of the decryption key. With the fear of losing the important data, victim users get ready to pay the asked ransom.

Furthermore, to compel the users to pay the ransom amount, .sarut virus creates a ransom – demanding message. It is a text file, which is created in every folder having the .sarut files. The message automatically pops-up on the screen whenever you try to open the locked files.

Ransom-Demanding Message:

Ransom Note

A sum equal to $980 (in bitcoins) is demanded by hackers to enable the decryption key. To your surprise, the developer of .sarut file virus offers you a discount of 50% in the ransom amount. It means the ransom amount will be reduced to $480 (in bitcoins). The only condition is, you have to contact the cyber crooks within 72 hours of the attack. These cyber criminals threaten to permanently delete your locked files, if you fail to make the payment within the specific time. Keep in mind, paying the ransom is not the only way out of this problem. In order to get rid of the malicious .sarut virus, you have to delete .sarut ransomware from your system.

Following are quick and easy steps which can help you to uninstall sarut from windows or Mac:

 

Removal guidelines for .sarut ransomware

 

STEP A: Reboot your system to Safe Mode

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: Delete the suspicious file from 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 .sarut file virus 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 .sarut file virus 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 .sarut file virus mentioned and click on it.
  4. Then click on Disable button.

STEP C: Remove malicious file from Command Prompt

Once the system starts, ensure to use an account with administrative privilege to access Safe Mode with Command Prompt.

After the user enters admin credentials, Command prompt window is displayed wherein you are entitled to enter the below commands:

  1. Type the command “sc delete .sarut file virus” in the command prompt and press Enter.
  2. Type “exit” to exit the command prompt and restart the system in safe mode with command prompt.

 

STEP D: Restore the system files & folders

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 .sarut file virus. 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 .sarut file virus.

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 .sarut file virus. 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 .sarut file virus.

 

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.

Tips to prevent your system from .sarut ransomware

  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 Kaspersky and 360 Total Security 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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