Win32/Kryptik.FERN

What is Win32/Kryptik.FERN infection?

In this article you will find regarding the definition of Win32/Kryptik.FERN as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by online frauds to require paying the ransom money by a sufferer.

It is better to prevent, than repair and repent!

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In the majority of the instances, Win32/Kryptik.FERN infection will certainly instruct its targets to initiate funds move for the objective of neutralizing the amendments that the Trojan infection has presented to the victim’s tool.

Win32/Kryptik.FERN Summary

These modifications can be as follows:

• At least one process apparently crashed during execution;
• 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.
• Enumerates user accounts on the system;
• 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.;
• 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.

• 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.
• Unconventionial binary language: Russian;
• Unconventionial language used in binary resources: Russian;
• Uses Windows utilities for basic functionality;
• 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!
• Exhibits behavior characteristic of Cerber ransomware;
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
• Mimics the file times of a Windows system file;
• 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.
• Attempts to identify installed AV products by installation directory;
• Checks the system manufacturer, likely for anti-virtualization;
• Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
• Creates a copy of itself;
• Uses suspicious command line tools or Windows utilities;
• Ciphering the papers located on the victim’s hard disk — so the victim can no more make use of the information;
• 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.

Win32/Kryptik.FERN

One of the most regular channels whereby Win32/Kryptik.FERN Trojans are infused are:

• By means of phishing emails;
• As a repercussion of individual ending up on a resource that hosts a malicious software program;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the victim’s PC or stop the device from functioning in a proper fashion – while additionally placing a ransom note that discusses the need for the victims to effect the repayment for the objective of decrypting the files or recovering the file system back to the preliminary condition. In many circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has currently been harmed.

Win32/Kryptik.FERN distribution channels.

In numerous edges of the world, Win32/Kryptik.FERN grows by leaps and also bounds. However, the ransom money notes and methods of obtaining the ransom money amount might differ depending upon particular local (local) setups. The ransom notes and also tricks of obtaining the ransom amount may differ depending on particular regional (local) settings.

For example:

Faulty informs concerning unlicensed software application.

In particular locations, the Trojans usually wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the individual to pay the ransom.

Faulty statements concerning unlawful web content.

In nations where software program piracy is less popular, this method is not as effective for the cyber fraudulences. Alternatively, the Win32/Kryptik.FERN popup alert might falsely assert to be originating from a police institution as well as will certainly report having located youngster pornography or other illegal data on the tool.

Win32/Kryptik.FERN popup alert might incorrectly declare to be deriving from a law enforcement institution as well as will certainly report having located youngster porn or various other unlawful data on the device. The alert will similarly contain a demand for the customer to pay the ransom.

Technical details

File Info:
crc32: 40A7E894
md5: bb1460817a6c625c5ae23944a81df913
name: BB1460817A6C625C5AE23944A81DF913.mlw
sha1: a07eb3233332669ebb8c746c789fff9ada3d01aa
sha256: 274b05ff7a954c16e95c371052f638e56ca30fd20fb6f93c2a63bfb36a679c75
sha512: 25a84bea182ab9ab431bc97da27388e831f890d62846745b942ce3f3609d618b7ffeaa7b9257ae5ac22a720dd75341a091010f0ee17df193e027bc05d568e406
ssdeep: 12288:AzJf7IKp5kG8B0Jv61NCQ0NDaa04ZcnMakUo:cJfrp5kG8B0s18lQa0Scq
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Copyright 2008-2011 x41ex41ex41e x42fx43dx434x435x43ax441
InternalName: Punto Switcher Unloader
FileVersion: 3.2.3.51
CompanyName: x41ex41ex41e x42fx43dx434x435x43ax441
LegalTrademarks: Punto Switcher
Comments: x412x44bx433x440x443x437x447x438x43a P unto Switcher
ProductName: Punto Switcher
ProductVersion: 3.2.3.51
FileDescription: x412x44bx433x440x443x437x447x438x43a Punto Switcher
OriginalFilename: puntounloader.exe
Translation: 0x0419 0x04b0

Win32/Kryptik.FERN also known as:

How to remove Win32/Kryptik.FERN virus?

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

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Download GridinSoft Anti-Malware.

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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 Win32/Kryptik.FERN 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?

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If the guide doesn’t help you to remove Win32/Kryptik.FERN you can always ask me in the comments for getting help.

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