.Horas-Bah RedAnts Ransomware (Restore Files) - How to, Technology and PC Security Forum | SensorsTechForum.com

.Horas-Bah RedAnts Ransomware (Restore Files)

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Article created to help you remove the RedAnts ransomware infection and restore files encrypted by the virus with the added .Horas-Bah file extension to them.

A ransom virus, dubbed RedAnts has been reported to cause encryption via the AES (Advanced Encryption Standard) encryption. The virus encrypts the files on the compromised computers after which adds the .Horas-Bah file extension to them and a file named READ_ME.txt which aims to display ransom demands to pay the sum of 0.5 BTC to the ones behind this ransomware infection in order to get the files back. However, paying is strongly inadvisable. Instead, we recommend reading the following article carefully.

Threat Summary



Short DescriptionThe malware encrypts users files using a strong encryption algorithm, called Rijndael, making direct decryption possible only via a unique decryption key available to the cyber-criminals.
SymptomsThe user may witness ransom notes and “instructions” in a READ_ME.txt file, asking to pay a ransom of 0.5 BTC to the cyber-criminals. Files are encrypted with the .Horas-Bah extension added..
Distribution MethodVia an Exploit kit, Dll file attack, malicious JavaScript or a drive-by download of the malware itself in an obfuscated manner.
Detection Tool See If Your System Has Been Affected by RedAnts


Malware Removal Tool

User ExperienceJoin our forum to Discuss RedAnts.
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.

.Horas-Bah – How Does It Infect

For this ransomware virus to cause an infection, malicious spam campaigns via e-mail are undertaken. Those campaigns are very variable and may contain different convincing messages which aim to get the victim to open the malicious e-mail attachment.

Other methods of infection include the usage of fake web installers of different programs as well as other fake patches of programs or game cracks uploaded on torrent hosting websites.

.Horas-Bah – More Information

As soon as the use opens the malicious e-mail attachment, the virus drops two malicious files on the compromised computer:

  • RedAnts.exe
  • READ_ME.txt

The “RedAnts” file may be dropped in several important Windows folders:

  • %AppData%
  • %Roaming%
  • %Local%
  • %LocalRow%
  • %Windows%

The malicious executable is set to encrypt files on the following folders:

  • %Desktop%
  • %Downloads%
  • %Pictures%
  • %Documents%

After this has already happened, this ransomware infection performs multiple other activities on the compromised computer of the user, beginning with modifying the file extensions of the encrypted files. Amongst those encrypted files may be:

  • Microsoft office files.
  • Adobe files.
  • Files related to often used programs.
  • Virtual image files.
  • Images.
  • Online wallet type of data.
  • Database files.
  • Audio and Video files.

After the encryption, the RedAnts virus adds a .Horas-Bah file extension to the encrypted files. They may appear like the following:

After having already encrypted files on the computer that has been infected, the virus leaves back information in a READ_ME.txt file where it may ask the user to contact the criminals in their e-mail jaw@jaw.id

The Encryption Process of RedAnts Ransomware

For the encryption of the files, RedAnts ransomware uses the AES encryption algorithm, also known as Rijndael. What the virus does is it replaces bytes of the files with symbols from the encryption cipher, but does not encrypt the file entirely, just enough so that the files are no longer openable.

The virus may also delete the shadow volume copies to make sure the user is unable to recover the encrypted files by using different data recovery programs. This is achievable by inserting the vssadmin command as an administrator in Windows Command Prompt.

After the encryption has completed, the files cannot be opened by any previously recognizable program in Windows and the OS begins looking for software to open them with:

Remove RedAnts Ransomware and Restore .Horas-Bah Files

For the removal process of the RedAnts .Horas-Bah ransomware version, it is important to back up your files initially, even though they are encrypted. Then, we advise using the removal instructions below to be rid of this ransomware infection step-by-step. In case you lack the experience in manual hunting of files and other objects, belonging to ransomware, experts always outline to use an anti-malware program as the best automatic option for removal. Not only it will take care of RedAnts permanently, but it will also protect your system in the future too.

After having removed RedAnts completely, it is time to think how can the files be restored. There are several alternative methods to perform this. We have suggested several alternative methods in step “2. Restore files encrypted by RedAnts” below. It is advisable to try them at your own risk, because they may not restore all of your files, but only some of them.


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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