Rakhni Ransomware
Ransomware | 07/09/2018

How to remove Rakhni Ransomware?

About: Rakhni Ransomware is a devastating program that usually targets systems that have crypt-o-currency software like Bitcoin installed. The ransomware is coded such that if it fails to identify folders containing string Bitcoin, it retrieves a cry...  Read More  

| Ransomware | How to remove Rakhni Ransomware?

Guide to Remove Rakhni Ransomware


Rakhni is a devastating computer ransomware program that targets crypt o graphic systems and encrypts the files present on these computers. It then demands ransom from the victims in order to decrypt the encrypted files. Rakhni ransomware was found in 2013 and since then it has been targeting new victims. Since then the malware has evolved various versions.

Rakhni Ransom Note

The unique characteristic of Rakhni ransomware is that, once infiltrated either via email phishing messages or infected payload document, it scans the system for Bitcoin or other crypt-o-currency software installation.One of the reasons cited behind this attempt is to encrypt user’s wallet private keys and prevent them from accessing their digital fund. Another reason behind targeting user systems owning Crypt-o-currency funds is that, Rakhni ransomware authors believe that it would be easier for users to pay ransom to obtain decryption key for the encrypted files.

Mine or Encrypt?

The developers have coded Rakhni ransomware such that if it fails to find folders containing the string Bitcoin and if this coin-miner module reckons that the system is powerful enough to handle coin- mining operations, it will retrieve a crypto currency mining application from the remote server and install it on the victim’s system.

Other than Bitcoin other crypto currencies targeted by this ransomware include Monero, Monero Original- a secure, private and untraceable currency system, or Dash coin- a next –generation digital currency based on Bitcoin software.

Spread techniques of this Spam campaign

The malware is known to have spread its roots in countries like India, Russia, Germany, Ukraine and Kazakhstan and is distributed mainly via spam email attachments. The targeted members primarily include corporate clients as the study reveals that malicious attachment is often disguised as a financial document.

The email attachment contains a PDF document which when clicked seeks permission to run an executable file from an unknown publisher. With user’s permission, Rakhni ransomware swings into action.

Rakhni UAC

Other files that can be used to deploy the infection include:



Application Installers


An interesting characteristic about this infection is that, after the attachment is downloaded it throws an error message depicting that the download had failed. This is a trick used by the developers to divert user’s attention away from the malicious script.


Threats posed by Rakhni ransomware

Once infested, the ransomware disables Windows Defender. This impairs the first line of defense against malware, spyware infections and make the system susceptible to various system threats.It then installs forged digital certificates on the vulnerable system.

When the coast seems clear the ransomware decides between installing a crypto-currency miner in the victimized PC andif a miner is already installed, itencrypt files and demand ransom.

It then generates a malicious script that installs it as a persistent threat. This means when the system is booted, the component automatically starts the malice.

Finally, the malicious program tries to expand its territory bycopying the malicious codeto other systems in thelocal network. This is donewhen company employees share access to the Users folder on their devices.

How to avoid your system from getting infected by Rakhni Ransomware?

To avoid inflicting damage on your system, be wary of incoming messages received from unfamiliar sources.

  1. Downloading an authenticated anti malware program is always recommended to detect any threat to the system and also users are advised to pay close attention to operating system warnings.
  2. Avoid running apps from unknown publishers, especially the ones whose names sound similar to popular programs.
  3. Maintain regular data backup of sensitive information on a separate storage medium like a remote server or unplugged storage devices.
  4. Regularly investigate your corporate network for any anomalies.

Threat Summary

Name: Rakhni

Browsers Affected: Google Chrome, Internet Explorer, Mozilla Firefox, Safari, Opera

Targeted Operating System: Windows and MAC

Category: Ransomware

Symptoms: User’s files are encrypted. All locked files are appended with malicious extension after the encryption and hence cannot be accessed by the user. Unusual performance issues.

How to solve the problem?



Tips to prevent your computer system from getting infected –

  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 Hitman Pro 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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