Trojan-Downloader.JS.Agent.jkb

What is Trojan-Downloader.JS.Agent.jkb infection?

In this post you will find regarding the definition of Trojan-Downloader.JS.Agent.jkb and also its adverse impact on your computer system. Such ransomware are a kind of malware that is elaborated by online frauds to require paying the ransom by a target.

In the majority of the situations, Trojan-Downloader.JS.Agent.jkb ransomware will advise its targets to initiate funds move for the function of counteracting the changes that the Trojan infection has actually presented to the victim’s tool.

Trojan-Downloader.JS.Agent.jkb Summary

These adjustments can be as complies with:

• 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.
• Attempts to connect to a dead IP:Port (1 unique times);
• 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.
• Performs some HTTP requests;
• Checks for the presence of known windows from debuggers and forensic tools;
• Attempts to execute a binary from a dead or sinkholed URL;
• 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
• A wscript.exe process commonly used in script or document file downloaders initiated network activity;
• Detects VirtualBox through the presence of a registry key;
• Ciphering the documents found on the target’s hard disk — so the target can no more utilize the data;
• Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Similar behavior

Related domains

Trojan-Downloader.JS.Agent.jkb

One of the most typical channels through which Trojan-Downloader.JS.Agent.jkb Trojans are infused are:

• By means of phishing e-mails;
• As a repercussion of individual winding up on a resource that hosts a harmful software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or protect against the gadget from working in an appropriate way – while additionally positioning a ransom note that mentions the demand for the sufferers to effect the settlement for the purpose of decrypting the papers or recovering the file system back to the preliminary condition. In the majority of instances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has already been damaged.

Trojan-Downloader.JS.Agent.jkb circulation channels.

In different corners of the globe, Trojan-Downloader.JS.Agent.jkb expands by jumps and also bounds. Nevertheless, the ransom notes as well as tricks of obtaining the ransom quantity may vary relying on certain regional (regional) settings. The ransom notes and methods of extorting the ransom quantity may differ depending on certain local (regional) setups.

For example:

Faulty informs regarding unlicensed software application.

In particular locations, the Trojans often wrongfully report having discovered some unlicensed applications allowed on the target’s device. The sharp then demands the customer to pay the ransom.

Faulty statements about illegal material.

In countries where software piracy is much less preferred, this approach is not as reliable for the cyber scams. Alternatively, the Trojan-Downloader.JS.Agent.jkb popup alert may falsely assert to be stemming from a police organization and will report having situated kid pornography or other illegal information on the tool.

Trojan-Downloader.JS.Agent.jkb popup alert might wrongly declare to be deriving from a legislation enforcement institution and will report having situated child porn or other prohibited information on the gadget. The alert will similarly consist of a need for the individual to pay the ransom money.

Technical details

File Info:
crc32: EA93123Cmd5: dc5646bf4c0680c44dc02484ecfae2f7name: Image53507421845332.zipsha1: 34a914e3d067254c270e6c19cc25ca207161acccsha256: efa61c0550c044a94238d890a16f096d0439e76b25b4d572f7d9ec10c5d62349sha512: 17f1e4851d86089dd1464dc5519b5f1feae37496f41685c81d728235b1cfaa3db3f39d8e38d8516c42a080cc8f8b3a75eb942619a192294aacf3bb455d330421ssdeep: 96:oYtWhW6WTUjam5XVwzny8vUwGVC9PBdRDaD1W:3+IEBXV4y8vUwGOtDaD1Wtype: Zip archive data, at least v2.0 to extract
Version Info:
0: [No Data]

Trojan-Downloader.JS.Agent.jkb also known as:

How to remove Trojan-Downloader.JS.Agent.jkb virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.

Reasons why I would recommend GridinSoft¹

Run the setup file.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

Click on “Clean Now”.

Are Your Protected?

If the guide doesn’t help you to remove Trojan-Downloader.JS.Agent.jkb you can always ask me in the comments for getting help.