Ransom:Win32/GandCrab.AC

What is Ransom:Win32/GandCrab.AC infection?

In this article you will locate regarding the definition of Ransom:Win32/GandCrab.AC and its adverse impact on your computer. Such ransomware are a kind of malware that is specified by on the internet scams to demand paying the ransom money by a target.

Most of the situations, Ransom:Win32/GandCrab.AC virus will instruct its sufferers to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has introduced to the target’s device.

Ransom:Win32/GandCrab.AC Summary

These modifications 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.
• 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.
• Possible date expiration check, exits too soon after checking local time;
• Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

  Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Uses Windows utilities for basic functionality;
• 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
• Attempts to identify installed AV products by installation directory;
• Checks the CPU name from registry, possibly for anti-virtualization;
• Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
• Creates a slightly modified copy of itself;
• Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Ciphering the papers located on the sufferer’s hard disk drive — so the target can no longer utilize the information;
• 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/GandCrab.AC

One of the most common networks through which Ransom:Win32/GandCrab.AC are infused are:

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

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or avoid the gadget from working in a correct manner – while additionally placing a ransom money note that mentions the requirement for the targets to impact the settlement for the function of decrypting the records or bring back the file system back to the preliminary condition. In a lot of instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has actually already been harmed.

Ransom:Win32/GandCrab.AC circulation networks.

In various corners of the globe, Ransom:Win32/GandCrab.AC expands by leaps as well as bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money amount might vary relying on specific neighborhood (local) settings. The ransom money notes and also methods of extorting the ransom quantity might differ depending on certain local (regional) setups.

As an example:

Faulty signals about unlicensed software.

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

Faulty declarations regarding unlawful web content.

In countries where software piracy is much less popular, this technique is not as efficient for the cyber frauds. Conversely, the Ransom:Win32/GandCrab.AC popup alert may falsely claim to be deriving from a law enforcement establishment and also will certainly report having situated youngster pornography or various other illegal information on the tool.

Ransom:Win32/GandCrab.AC popup alert might incorrectly assert to be deriving from a legislation enforcement establishment and will certainly report having located kid pornography or other illegal information on the gadget. The alert will in a similar way include a demand for the user to pay the ransom money.

Technical details

File Info:
crc32: 7929B757md5: 5d897922efbd6496760d933e58af7f04name: 5d897922efbd6496760d933e58af7f04.exesha1: 277769be453c485b7d6c7e2b7eec81103bcf14b6sha256: 91239321d3acabf9b4c2911ab2dcbd9c83f0695fb94980d2072d54bbb09ca935sha512: 72c9cbd13ddd41fbee7479a9ec61e91389201da574c8112033cf4d3a50cd5dd2923b07074401c865fa18c5a022856a5189c17e8293341af821a0887e8af936dassdeep: 6144:JD1MW6R8c9u9UriRV3tJgkp7E9sXdVyyg6:vM7R8Kor17fdpg6type: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
0: [No Data]

Ransom:Win32/GandCrab.AC also known as:

How to remove Ransom:Win32/GandCrab.AC 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/GandCrab.AC you can always ask me in the comments for getting help.