Worm:Win32/Nayrabot

What is Worm:Win32/Nayrabot infection?

In this post you will certainly find about the meaning of Worm:Win32/Nayrabot and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a target.

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.

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Most of the instances, Worm:Win32/Nayrabot virus will advise its targets to initiate funds transfer for the function of neutralizing the changes that the Trojan infection has actually introduced to the target’s gadget.

Worm:Win32/Nayrabot Summary

These adjustments can be as adheres to:

• Injection (inter-process);
• Injection (Process Hollowing);
• 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 attempted to delay the analysis task.;
• Expresses interest in specific running processes;
• Performs some HTTP requests;
• Executed a process and injected code into it, probably while unpacking;
• Deletes its original binary from disk;
• Code injection with CreateRemoteThread in a remote process;
• 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.
• Creates a copy of itself;
• Connects to an IRC server, possibly part of a botnet;
• Ciphering the files found on the victim’s hard disk drive — so the victim can no more make use of the information;
• Preventing regular accessibility to the sufferer’s workstation;

Similar behavior

Related domains

Worm:Win32/Nayrabot

One of the most typical networks whereby Worm:Win32/Nayrabot Ransomware are injected are:

• By methods of phishing emails;
• As a consequence of customer ending up on a resource that hosts a destructive software application;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or protect against the gadget from working in a correct way – while also putting a ransom money note that mentions the demand for the sufferers to effect the repayment for the purpose of decrypting the documents or restoring the documents system back to the preliminary problem. In the majority of circumstances, the ransom note will come up when the customer restarts the COMPUTER after the system has actually already been harmed.

Worm:Win32/Nayrabot circulation networks.

In numerous corners of the globe, Worm:Win32/Nayrabot expands by leaps and also bounds. Nevertheless, the ransom money notes and methods of extorting the ransom money amount may vary relying on specific local (local) settings. The ransom notes as well as methods of extorting the ransom amount might differ depending on specific regional (regional) setups.

For example:

Faulty alerts regarding unlicensed software application.

In specific areas, the Trojans often wrongfully report having found some unlicensed applications enabled on the victim’s gadget. The sharp then requires the customer to pay the ransom.

Faulty statements concerning prohibited content.

In nations where software program piracy is much less preferred, this approach is not as efficient for the cyber fraudulences. Alternatively, the Worm:Win32/Nayrabot popup alert might falsely declare to be stemming from a law enforcement institution and also will report having located youngster porn or other illegal data on the tool.

Worm:Win32/Nayrabot popup alert might incorrectly declare to be deriving from a law enforcement establishment and will certainly report having situated kid porn or various other unlawful data on the tool. The alert will in a similar way have a demand for the customer to pay the ransom money.

Technical details

File Info:
crc32: 1EBB5B6D
md5: 8dff88cc72e04eb2a6905b5c81b77eec
name: 8DFF88CC72E04EB2A6905B5C81B77EEC.mlw
sha1: cb107c5650a1279019ec7e4e5bb3974a66a5bb26
sha256: 5502cb3d1769597ced14637825559c2fbf42a924292d0205b52f1e02993c2dc1
sha512: 98bedf55b2d120a38ab3c24e19db3e0932e665a79ce731825488af1b1845de3b4835ea8b97761fb5de39ea7528a181ff684d2b80efdafcd6224927d05cbda5a1
ssdeep: 3072:eyiJmqySsZQs2lnybI4lkLuGrpya1dW3JsObI0hAiL9mWMAdj41qr3gvA7g/fbT:ey0ySHyE9MNAiL95D3Z8bke5t20
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Copyright xa9 1997-2011 Simon Tatham.
InternalName: PuTTY
FileVersion: 0.62
CompanyName: Simon Tatham
ProductName: PuTTY suite
ProductVersion: 0.62
FileDescription: SSH, Telnet and Rlogin client
OriginalFilename: PuTTY
Translation: 0x0409 0x04e4

Worm:Win32/Nayrabot also known as:

How to remove Worm:Win32/Nayrabot 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

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.

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.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Worm:Win32/Nayrabot 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.

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.

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 Worm:Win32/Nayrabot you can always ask me in the comments for getting help.

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