Ransom:Win32/GrandCrab.DA!MTB

What is Ransom:Win32/GrandCrab.DA!MTB infection?

In this post you will certainly discover about the definition of Ransom:Win32/GrandCrab.DA!MTB and its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by online scams to demand paying the ransom money by a sufferer.

Most of the instances, Ransom:Win32/GrandCrab.DA!MTB ransomware will certainly advise its sufferers to launch funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually presented to the victim’s gadget.

Ransom:Win32/GrandCrab.DA!MTB Summary

These modifications can be as adheres to:

• 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 (3 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.
• A process attempted to delay the analysis task.;
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
• 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.
• HTTP traffic contains suspicious features which may be indicative of malware related traffic;
• Performs some HTTP requests;
• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Detects Sandboxie through the presence of a library;
• Attempts to remove evidence of file being downloaded from the Internet;
• Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
• A system process is generating network traffic likely as a result of process injection;
• 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.
• Checks the presence of disk drives in the registry, possibly for anti-virtualization;
• Creates a copy of itself;
• Ciphering the papers situated on the victim’s hard disk drive — so the target can no more make use of the data;
• Preventing normal access to the target’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

Ransom:Win32/GrandCrab.DA!MTB

The most typical channels through which Ransom:Win32/GrandCrab.DA!MTB Ransomware are injected are:

• By ways of phishing emails;
• As an effect of customer ending up on a source that hosts a destructive software program;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s PC or protect against the device from working in a correct manner – while also putting a ransom money note that states the demand for the sufferers to impact the repayment for the purpose of decrypting the documents or recovering the documents system back to the initial problem. In the majority of circumstances, the ransom note will certainly come up when the client restarts the PC after the system has already been harmed.

Ransom:Win32/GrandCrab.DA!MTB circulation channels.

In different edges of the world, Ransom:Win32/GrandCrab.DA!MTB expands by jumps and also bounds. However, the ransom money notes as well as methods of extorting the ransom quantity might differ depending on certain regional (regional) settings. The ransom money notes and methods of obtaining the ransom money amount may differ depending on certain local (local) settings.

As an example:

Faulty alerts regarding unlicensed software.

In certain areas, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the sufferer’s tool. The alert after that demands the customer to pay the ransom money.

Faulty declarations concerning unlawful content.

In countries where software program piracy is much less prominent, this method is not as reliable for the cyber scams. Additionally, the Ransom:Win32/GrandCrab.DA!MTB popup alert may falsely declare to be originating from a law enforcement organization as well as will certainly report having located child porn or various other unlawful data on the gadget.

Ransom:Win32/GrandCrab.DA!MTB popup alert might incorrectly assert to be acquiring from a regulation enforcement institution and also will report having located child porn or various other prohibited information on the tool. The alert will in a similar way contain a demand for the user to pay the ransom.

Technical details

File Info:
crc32: 790E6EF2md5: fb7125b3f0242d59ada9611b2bd8419aname: FB7125B3F0242D59ADA9611B2BD8419A.mlwsha1: 35b613a64cc16597616d07bde9026278224f80cdsha256: 696406f917764ac0255f30ed5b865a42525aba3832f3c6cc213f6e79ab74fbc5sha512: dc498fb6f2007316bea4b7568ed0560e1a142cdec0296f63bbc7f4cda6225e693b9792f0409d4567d96ac60ea4a3721d67a34f313f11181d6dc82c0ba6ae02f5ssdeep: 3072:xTDmBdyBYWeZ89JEePk8PrRfrBNq9EdwWP8aZpSNYnHRCbWPUjXsX:xTDQyBYU7c8PrRNTuK0gRCMUzgtype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
Translation: 0x0346 0x093e

Ransom:Win32/GrandCrab.DA!MTB also known as:

How to remove Ransom:Win32/GrandCrab.DA!MTB ransomware?

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 Ransom:Win32/GrandCrab.DA!MTB you can always ask me in the comments for getting help.