MSIL/Kryptik.RJJ

What is MSIL/Kryptik.RJJ infection?

In this article you will find regarding the definition of MSIL/Kryptik.RJJ and its adverse effect on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet scams to demand paying the ransom by a target.

In the majority of the cases, MSIL/Kryptik.RJJ ransomware will instruct its sufferers to start funds move for the purpose of neutralizing the changes that the Trojan infection has introduced to the target’s tool.

MSIL/Kryptik.RJJ Summary

These modifications can be as follows:

• Injection (inter-process);
• 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 (Process Hollowing);
• 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 attempted to delay the analysis task.;
• A process created a hidden window;
• Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Sniffs keystrokes;
• Executed a process and injected code into it, probably while unpacking;
• 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
• 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.
• Creates a copy of itself;
• Interacts with known DarkComet registry keys;
• Creates known Fynloski/DarkComet mutexes;
• Ciphering the files situated on the victim’s hard disk drive — so the victim can no longer use the information;
• Preventing regular accessibility to the target’s workstation;

MSIL/Kryptik.RJJ

One of the most common channels through which MSIL/Kryptik.RJJ Trojans are infused are:

• By means of phishing emails;
• As a repercussion of individual winding up on a source that hosts a destructive software program;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s computer or protect against the device from operating in an appropriate fashion – while also putting a ransom note that mentions the demand for the sufferers to impact the repayment for the function of decrypting the papers or restoring the file system back to the initial problem. In the majority of circumstances, the ransom note will certainly show up when the customer restarts the COMPUTER after the system has actually already been damaged.

MSIL/Kryptik.RJJ circulation networks.

In different edges of the globe, MSIL/Kryptik.RJJ grows by jumps as well as bounds. However, the ransom notes as well as tricks of extorting the ransom money amount might differ depending upon certain regional (regional) settings. The ransom money notes as well as methods of obtaining the ransom amount might vary depending on particular neighborhood (regional) settings.

As an example:

Faulty informs about unlicensed software application.

In specific locations, the Trojans typically wrongfully report having actually identified some unlicensed applications enabled on the target’s gadget. The alert after that demands the user to pay the ransom money.

Faulty statements about illegal material.

In countries where software piracy is less popular, this approach is not as efficient for the cyber scams. Additionally, the MSIL/Kryptik.RJJ popup alert might incorrectly claim to be stemming from a law enforcement organization as well as will certainly report having located kid porn or various other prohibited information on the tool.

MSIL/Kryptik.RJJ popup alert might incorrectly claim to be acquiring from a law enforcement institution and will certainly report having situated kid pornography or various other unlawful information on the tool. The alert will in a similar way include a requirement for the customer to pay the ransom money.

Technical details

File Info:
crc32: CF5B48EDmd5: 35d7a087f2c9d6af79b2627c6643a2b9name: 35D7A087F2C9D6AF79B2627C6643A2B9.mlwsha1: 857e822fb4744a6d78d5eac4e2e1dae7b12d62a5sha256: 895e7d3f28985d602e5d2cd98bc55e14fddddf83e9f3e6852b0b7db717e5fe18sha512: 6f83a26384ee67a0e9fba9a6108d12ba419906ce9466744e5044dfc0295e7fd02ff431d741ee6145d70e5e167d9f58793593292e0bde076376e36ab55e3448cassdeep: 12288:iKyQqaolVlU531+KcheXOQGxx33333U333R/LO:iz/S3tczxx33333U333R/LOtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Version Info:
0: [No Data]

MSIL/Kryptik.RJJ also known as:

How to remove MSIL/Kryptik.RJJ 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 MSIL/Kryptik.RJJ you can always ask me in the comments for getting help.