Win32/Filecoder.FriedEx.A

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

What is Win32/Filecoder.FriedEx.A infection?

In this short article you will discover about the interpretation of Win32/Filecoder.FriedEx.A and also its negative impact on your computer system. Such ransomware are a kind of malware that is specified by online frauds to require paying the ransom by a sufferer.

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In the majority of the situations, Win32/Filecoder.FriedEx.A infection will certainly instruct its sufferers to initiate funds transfer for the function of neutralizing the changes that the Trojan infection has actually introduced to the sufferer’s device.

Win32/Filecoder.FriedEx.A Summary

These modifications 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.
  • 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.
  • 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;
  • Deletes its original binary from disk;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • 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.
  • Likely virus infection of existing system binary;
  • Creates a copy of itself;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Creates a slightly modified copy of itself;
  • Appends a known Locked ransomware file extension to files that have been encrypted;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard disk — so the target can no longer utilize the data;
  • Preventing routine accessibility to the sufferer’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/Filecoder.FriedEx.A

The most regular channels through which Win32/Filecoder.FriedEx.A Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of user winding up on a source that hosts a harmful software;

As quickly as the Trojan is successfully infused, it will either cipher the data on the target’s computer or stop the gadget from operating in a proper manner – while likewise placing a ransom note that points out the demand for the targets to impact the payment for the purpose of decrypting the papers or bring back the file system back to the initial condition. In most instances, the ransom money note will come up when the customer restarts the COMPUTER after the system has actually already been damaged.

Win32/Filecoder.FriedEx.A distribution channels.

In numerous edges of the world, Win32/Filecoder.FriedEx.A expands by leaps and bounds. Nevertheless, the ransom notes as well as methods of extorting the ransom amount might differ depending on certain local (local) settings. The ransom notes and also methods of obtaining the ransom amount might differ depending on particular local (regional) setups.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software.

    In certain areas, the Trojans often wrongfully report having found some unlicensed applications enabled on the sufferer’s device. The sharp then demands the user to pay the ransom money.

    Faulty declarations about illegal material.

    In nations where software piracy is less popular, this approach is not as effective for the cyber frauds. Conversely, the Win32/Filecoder.FriedEx.A popup alert may incorrectly declare to be deriving from a law enforcement establishment and will certainly report having located youngster pornography or various other unlawful data on the device.

    Win32/Filecoder.FriedEx.A popup alert may incorrectly claim to be obtaining from a law enforcement establishment and will report having located youngster porn or various other prohibited information on the gadget. The alert will in a similar way have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 13517691
md5: b13d654a60b2bc15115562bc6eb4b88f
name: B13D654A60B2BC15115562BC6EB4B88F.mlw
sha1: 735542c5bc12e82232a22df1e2b3860152a5c40b
sha256: 8eaded1384d909dd50aa1702cf286988680c2452f307879a0c3eddae6f36f776
sha512: 51714c0b998c264c22d96405fba8d598f6a116f1d8de93122c392b74e25057d8b2ad31b05f05d936c407008a1de8feb6ce6767b4a5d5eb7d12c99759e74189dd
ssdeep: 1536:tmArSvhVIVBXXAcYIsy+LtrewZlw/jxYJXqUdBZR67mrC+/:tmkihwBXQksdL1ewnN5R6S
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: riched32
FileVersion: 6.1.7601.17514 (win7sp1_rtm.101119-1850)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7601.17514
FileDescription: Wrapper Dll for Richedit 1.0
OriginalFilename: riched32.dll
Translation: 0x0409 0x04b0

Win32/Filecoder.FriedEx.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005136f61 )
Elastic malicious (high confidence)
DrWeb Trojan.Gozi.44
Cynet Malicious (score: 100)
ALYac DeepScan:Generic.Ransom.Bitpaymer.7231A049
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba virus:Win32/InfectPE.ali2000007
K7GW Trojan ( 005136f61 )
Cybereason malicious.a60b2b
Symantec Packed.Generic.517
ESET-NOD32 Win32/Filecoder.FriedEx.A
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Refinka.awv
BitDefender DeepScan:Generic.Ransom.Bitpaymer.7231A049
NANO-Antivirus Trojan.Win32.Refinka.esnxje
MicroWorld-eScan DeepScan:Generic.Ransom.Bitpaymer.7231A049
Tencent Win32.Trojan.Raas.Auto
Ad-Aware DeepScan:Generic.Ransom.Bitpaymer.7231A049
Sophos ML/PE-A + Mal/EncPk-AOI
Comodo Malware@#1c47xbasyphmj
BitDefenderTheta Gen:NN.ZexaF.34608.fu0@aO1VDJji
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPENTREPED.SML
McAfee-GW-Edition Trojan-FOCM!B13D654A60B2
FireEye Generic.mg.b13d654a60b2bc15
Emsisoft DeepScan:Generic.Ransom.Bitpaymer.7231A049 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1134334
Microsoft Trojan:Win32/Emotet.LK!ml
AegisLab Trojan.Win32.Refinka.4!c
GData DeepScan:Generic.Ransom.Bitpaymer.7231A049
Acronis suspicious
McAfee Trojan-FOCM!B13D654A60B2
MAX malware (ai score=87)
VBA32 Trojan.Refinka
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_HPENTREPED.SML
Rising Backdoor.Dridex!8.3226 (CLOUD)
Yandex Trojan.GenAsa!BoL7hb+LFpg
Ikarus Trojan.Win32.Filecoder
Fortinet W32/Kryptik.FZXX!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.BitPaymer.HxQB2T8A

How to remove Win32/Filecoder.FriedEx.A ransomware?

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/Filecoder.FriedEx.A 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Filecoder.FriedEx.A 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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