Ransom:Win32/Jabaxsta.A

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Ransom:Win32/Jabaxsta.A infection?

In this article you will certainly find concerning the meaning of Ransom:Win32/Jabaxsta.A as well as its adverse impact on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to require paying the ransom by a victim.

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In the majority of the cases, Ransom:Win32/Jabaxsta.A ransomware will certainly advise its sufferers to initiate funds move for the purpose of counteracting the changes that the Trojan infection has actually presented to the sufferer’s device.

Ransom:Win32/Jabaxsta.A Summary

These alterations can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Injection with CreateRemoteThread in a remote process;
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is likely packed with VMProtect;
  • Uses Windows utilities for basic functionality;
  • Code injection with CreateRemoteThread in a remote process;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the target’s hard disk — so the victim can no longer make use of the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom:Win32/Jabaxsta.A

The most typical channels where Ransom:Win32/Jabaxsta.A Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of individual ending up on a source that organizes a harmful software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s PC or protect against the gadget from functioning in a correct way – while likewise placing a ransom note that points out the requirement for the targets to impact the settlement for the objective of decrypting the documents or bring back the documents system back to the first condition. In most instances, the ransom note will show up when the client reboots the PC after the system has actually currently been harmed.

Ransom:Win32/Jabaxsta.A circulation networks.

In various corners of the globe, Ransom:Win32/Jabaxsta.A grows by leaps and bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom money amount may vary depending upon certain neighborhood (local) setups. The ransom notes and methods of obtaining the ransom money quantity might differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having actually spotted some unlicensed applications made it possible for on the victim’s device. The alert then requires the customer to pay the ransom.

    Faulty statements about prohibited web content.

    In countries where software application piracy is less prominent, this technique is not as reliable for the cyber scams. Conversely, the Ransom:Win32/Jabaxsta.A popup alert may wrongly claim to be originating from a law enforcement organization and also will report having situated youngster pornography or other unlawful data on the gadget.

    Ransom:Win32/Jabaxsta.A popup alert might incorrectly claim to be obtaining from a regulation enforcement institution and will certainly report having located youngster porn or other prohibited data on the tool. The alert will likewise include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 515FB0D3
md5: 04ba14a9828b000add142d0bcb42ac2d
name: 04BA14A9828B000ADD142D0BCB42AC2D.mlw
sha1: 928a705a481384dee3aa9985bb2a9e1e6827902f
sha256: 28e7dc4aebbfea61a2ad942f00ecab3bbb32a636679587a6fbd6c8dd69a0ef33
sha512: 2fc56d6fdf360c0435f76822f3d99288c3b31462931eb128c7ed895bf93d88b00663801c1a5394b1ae5bb081ac76b004deaf46fdf2b0b9c027b2945a7c030909
ssdeep: 6144:ba4FsUiep6JzvI74kZO/+SJtwOW8HFBwK3SBDmhYfFQ:ba4Fs/7IfO/+SJFW8HF+KCIG
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Jabaxsta.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00563cb01 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10700
Cynet Malicious (score: 100)
ALYac GenPack:Trojan.Ransom.Ryuk.B
Cylance Unsafe
Sangfor Win.Ransomware.Ryuk-6688842-0
CrowdStrike win/malicious_confidence_80% (D)
BitDefender GenPack:Trojan.Ransom.Ryuk.B
K7GW Trojan ( 00563cb01 )
Cybereason malicious.9828b0
Cyren W32/Injector.A.gen!Eldorado
ESET-NOD32 a variant of Win32/Filecoder.Ryuk.M
APEX Malicious
ClamAV Win.Ransomware.Ryuk-6688842-0
Kaspersky HEUR:Trojan.Win32.Invader
MicroWorld-eScan GenPack:Trojan.Ransom.Ryuk.B
Ad-Aware GenPack:Trojan.Ransom.Ryuk.B
Sophos ML/PE-A + Mal/VMProtBad-A
BitDefenderTheta AI:Packer.1F787B951E
FireEye Generic.mg.04ba14a9828b000a
Emsisoft GenPack:Trojan.Ransom.Ryuk.B (B)
SentinelOne Static AI – Malicious PE
Avira TR/Black.Gen2
eGambit Unsafe.AI_Score_97%
Microsoft Ransom:Win32/Jabaxsta.A
Arcabit GenPack:Trojan.Ransom.Ryuk.B
ZoneAlarm HEUR:Trojan.Win32.Invader
GData GenPack:Trojan.Ransom.Ryuk.B
AhnLab-V3 Win-Trojan/Malpacked3.Gen
MAX malware (ai score=80)
VBA32 BScope.TrojanRansom.Cryptor
Malwarebytes Malware.AI.218522461
Rising Malware.Heuristic!ET#94% (RDMK:cmRtazrVPNjh+/gHI2LoBt5SFnNi)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Ryuk.B!tr.ransom
Qihoo-360 HEUR/QVM16.0.1FE7.Malware.Gen

How to remove Ransom:Win32/Jabaxsta.A virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Ransom:Win32/Jabaxsta.A files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Ransom:Win32/Jabaxsta.A you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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