Win32/Fusing.CF

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Fusing.CF infection?

In this article you will certainly find concerning the definition of Win32/Fusing.CF as well as its unfavorable influence on your computer. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom by a sufferer.

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In the majority of the instances, Win32/Fusing.CF infection will certainly instruct its victims to initiate funds transfer for the objective of counteracting the modifications that the Trojan infection has presented to the sufferer’s tool.

Win32/Fusing.CF Summary

These alterations can be as complies with:

  • 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 (1 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.
  • Detected script timer window indicative of sleep style evasion;
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • 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 binary language: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • A scripting utility was executed;
  • 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!
  • 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;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the sufferer’s hard disk drive — so the victim can no longer use the information;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Fusing.CF

One of the most common channels where Win32/Fusing.CF Trojans are infused are:

  • By means of phishing emails;
  • As an effect of individual ending up on a source that hosts a harmful software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s computer or prevent the tool from working in a correct way – while additionally putting a ransom money note that mentions the requirement for the victims to impact the settlement for the function of decrypting the files or recovering the file system back to the initial condition. In many instances, the ransom note will turn up when the client restarts the COMPUTER after the system has actually currently been damaged.

Win32/Fusing.CF circulation channels.

In various corners of the globe, Win32/Fusing.CF grows by jumps as well as bounds. Nonetheless, the ransom notes as well as techniques of extorting the ransom quantity may vary depending on particular regional (regional) setups. The ransom notes and tricks of extorting the ransom money quantity might differ depending on certain neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having found some unlicensed applications made it possible for on the sufferer’s device. The sharp after that requires the individual to pay the ransom money.

    Faulty statements about prohibited material.

    In countries where software application piracy is much less prominent, this approach is not as effective for the cyber frauds. Conversely, the Win32/Fusing.CF popup alert may falsely assert to be deriving from a police institution and will report having situated kid pornography or other unlawful data on the device.

    Win32/Fusing.CF popup alert might incorrectly declare to be obtaining from a legislation enforcement organization as well as will report having situated youngster porn or various other illegal information on the tool. The alert will similarly contain a demand for the user to pay the ransom.

Technical details

File Info:

crc32: A71AD675
md5: d4dae2702324e4d5c4423ee561678313
name: D4DAE2702324E4D5C4423EE561678313.mlw
sha1: 303dde8c3b4298a015497534ce3b48b8e463ff0f
sha256: 1053aedbc322e502e48875f1d48e615703233d539b2e269961cd3e3d8fc461d7
sha512: 7ccef5f9e799324c8c9497ece3022ace731d4dc18e91eb1cf62011b6e12a71de6d14e0f0ab121b92bb36543d09d0b513a5c9035a2f004e04ea582680cf3bced8
ssdeep: 3072:D66gD6dEWtop3SFVQCNzEqpkcVtVGLNA3QGuj1F10:D66geftopkQSE4kczcO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2013 Thunder Network45
InternalName:
FileVersion: 1
CompanyName: Thunder Network
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: Thunder BHO Platform66
SpecialBuild:
ProductVersion:
FileDescription: Thunder BHO Platform23
OriginalFilename: Thunder BHO Platform is a trademark of Thunder Network56
Translation: 0x0804 0x04b0

Win32/Fusing.CF also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0052c8a31 )
Elastic malicious (high confidence)
DrWeb Trojan.KillFiles.25733
MicroWorld-eScan Dropped:Trojan.VBS.UNN
Cylance Unsafe
Zillya Trojan.Generic.Win32.565926
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Backdoor:Win32/Zegost.05e06c67
K7GW Trojan ( 0052c8a31 )
Cybereason malicious.02324e
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Fusing.CF
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Dropped:Trojan.VBS.UNN
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
Tencent Win32.Trojan.Crypt.Wstu
Ad-Aware Dropped:Trojan.VBS.UNN
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34722.lu3@aKZVbBje
VIPRE Trojan-Dropper.Win32.Resdro.b (v) (not malicious)
McAfee-GW-Edition BackDoor-EXZ
FireEye Generic.mg.d4dae2702324e4d5
Emsisoft Dropped:Trojan.VBS.UNN (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Generic.bcrtm
Avira TR/Crypt.XPACK.Gen
Microsoft Backdoor:Win32/Zegost.DQ
AegisLab Trojan.Win32.Generic.4!c
GData Dropped:Trojan.VBS.UNN
Acronis suspicious
McAfee BackDoor-EXZ
MAX malware (ai score=85)
VBA32 BScope.Trojan.StartServ
Panda Trj/CI.A
Yandex Trojan.GenAsa!XTn/riStdLo
Ikarus Backdoor.Win32.Zegost
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Filecoder.FV!tr.ransom
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Win32/Fusing.CF 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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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.

Run Setup.exe

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.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Fusing.CF 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.

GridinSoft Anti-Malware Scanning

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.

GridinSoft Anti-Malware Scan Result

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 Win32/Fusing.CF you can always ask me in the comments for getting help.

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References

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

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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