Win32/TrojanDownloader.Delf.RFW

What is Win32/TrojanDownloader.Delf.RFW infection?

In this article you will certainly locate about the meaning of Win32/TrojanDownloader.Delf.RFW as well as its negative impact on your computer system. Such ransomware are a form of malware that is specified by on-line frauds to demand paying the ransom by a sufferer.

It is better to prevent, than repair and repent!

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Most of the instances, Win32/TrojanDownloader.Delf.RFW ransomware will certainly instruct its sufferers to launch funds move for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s device.

Win32/TrojanDownloader.Delf.RFW 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.
• Injection (inter-process);
• Injection (Process Hollowing);
• 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.
• 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.

• 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.
• Unconventionial language used in binary resources: Manipuri;
• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• 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 copy of itself;
• Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Ciphering the documents found on the target’s disk drive — so the sufferer can no more use the information;
• Preventing regular accessibility to the target’s workstation;

Win32/TrojanDownloader.Delf.RFW

The most typical networks through which Win32/TrojanDownloader.Delf.RFW are infused are:

• By ways of phishing e-mails;
• As an effect of user ending up on a resource that holds a destructive software program;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or prevent the tool from functioning in a proper manner – while additionally placing a ransom money note that points out the requirement for the victims to impact the repayment for the purpose of decrypting the documents or recovering the documents system back to the preliminary condition. In the majority of instances, the ransom money note will certainly show up when the client restarts the PC after the system has currently been damaged.

Win32/TrojanDownloader.Delf.RFW distribution channels.

In numerous edges of the world, Win32/TrojanDownloader.Delf.RFW expands by leaps and bounds. However, the ransom money notes as well as tricks of obtaining the ransom amount may vary depending on certain neighborhood (regional) setups. The ransom money notes and also methods of obtaining the ransom money quantity might differ depending on particular neighborhood (local) settings.

For instance:

Faulty notifies concerning unlicensed software.

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

Faulty statements concerning unlawful material.

In countries where software program piracy is much less preferred, this technique is not as efficient for the cyber frauds. Additionally, the Win32/TrojanDownloader.Delf.RFW popup alert might incorrectly claim to be stemming from a law enforcement organization and will certainly report having situated youngster porn or other prohibited information on the tool.

Win32/TrojanDownloader.Delf.RFW popup alert might wrongly declare to be deriving from a legislation enforcement institution and also will certainly report having situated youngster pornography or various other illegal information on the tool. The alert will in a similar way consist of a demand for the user to pay the ransom money.

Technical details

File Info:
crc32: 2EE60A58
md5: 6812447132cdc0488cb40df07de52b28
name: 6812447132CDC0488CB40DF07DE52B28.mlw
sha1: 337946c09307b1aac4d28b8fe48323238ed6843a
sha256: 7a395d6fccdac80d2e2e6ba2948239e3bb7eea672580b705d0c48e55fd75c1b8
sha512: dde5e34331d61f0b125c40a1133589ab9ae6c7331dc4fe757613462406c8956a14c5c24f7badd6b286768e85adc005b1a9333d72517eb194343b16eb49bbd227
ssdeep: 1536:SjM5C49AAvuRIoFi1nMQvr3hKn3x1KA0EnJzoceo7YSF:Sw5C4ZuRIo6nfj3KnKAv6u
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Roll 2014
Assembly Version: 2.0.0.0
InternalName: Roll.exe
FileVersion: 2.0.0.0
CompanyName: Roll
LegalTrademarks: Roll
Comments: Roll
ProductName: Roll
ProductVersion: 2.0.0.0
FileDescription: Roll
OriginalFilename: Roll.exe

Win32/TrojanDownloader.Delf.RFW also known as:

How to remove Win32/TrojanDownloader.Delf.RFW 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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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/TrojanDownloader.Delf.RFW 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.

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

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