Trojan.Downloader.fmGfa8gFUSbj

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

What is Trojan.Downloader.fmGfa8gFUSbj infection?

In this short article you will certainly discover about the interpretation of Trojan.Downloader.fmGfa8gFUSbj and also its negative influence on your computer. Such ransomware are a type of malware that is clarified by on-line scams to require paying the ransom money by a sufferer.

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In the majority of the situations, Trojan.Downloader.fmGfa8gFUSbj ransomware will advise its sufferers to initiate funds transfer for the function of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s device.

Trojan.Downloader.fmGfa8gFUSbj Summary

These alterations 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • A process attempted to delay the analysis task.;
  • 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.
  • The executable is compressed using UPX;
  • Deletes its original binary from disk;
  • 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 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 modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Ciphering the papers located on the target’s disk drive — so the victim can no more use the information;
  • Preventing regular access 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.
Similar behavior
Related domains
z.whorecord.xyzTrojan-Ransom.HydraCrypt
a.tomx.xyzTrojan-Ransom.HydraCrypt
fk.openyourass.clubTrojan-Ransom.HydraCrypt
xdx.s4f5er4t5g1df23saadse.clubTrojan-Ransom.HydraCrypt

Trojan.Downloader.fmGfa8gFUSbj

The most normal channels where Trojan.Downloader.fmGfa8gFUSbj Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of user winding up on a source that organizes a harmful software;

As quickly as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or avoid the tool from operating in an appropriate way – while additionally placing a ransom money note that mentions the demand for the victims to impact the settlement for the purpose of decrypting the documents or recovering the documents system back to the initial problem. In a lot of circumstances, the ransom note will certainly show up when the client reboots the COMPUTER after the system has currently been damaged.

Trojan.Downloader.fmGfa8gFUSbj circulation networks.

In numerous edges of the globe, Trojan.Downloader.fmGfa8gFUSbj expands by leaps and also bounds. However, the ransom money notes and methods of extorting the ransom money amount may vary relying on certain local (local) settings. The ransom notes and also tricks of obtaining the ransom amount might vary depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s gadget. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software piracy is much less popular, this technique is not as efficient for the cyber scams. Alternatively, the Trojan.Downloader.fmGfa8gFUSbj popup alert might incorrectly claim to be deriving from a law enforcement establishment and also will report having located kid pornography or various other illegal information on the device.

    Trojan.Downloader.fmGfa8gFUSbj popup alert may incorrectly declare to be deriving from a regulation enforcement organization as well as will certainly report having situated child pornography or various other unlawful data on the tool. The alert will likewise include a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 83080E73
md5: 8a1dc714b39b7a310e1c4d7a25ea5630
name: download.exe
sha1: 57176a4d3322a5f44b69ac94da1ef93421b660e0
sha256: 27e556ab69121c7cdaa0e0cca62f5ea8e888fd2958375412d425616660092c77
sha512: dbb1d7711a0478f0f90fd55bf8fa024d4dd6fc3250936e829c8bffe42daa13199039782157c9f0708d74b6b6fdc5281915dfa211f8c89c12d4ac0897c6065f63
ssdeep: 1536:+SA7zB/dFUHk5xmltOC9rMy9eMhV8jrYFzflez3a498XL8tNZ:+SA7RdaHkzml/rMy9pH8/YFfl43aG8
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan.Downloader.fmGfa8gFUSbj also known as:

GridinSoftTrojan.Ransom.Gen
DrWebTrojan.DownLoader25.10311
MicroWorld-eScanGen:Trojan.Downloader.fmGfa8gFUSbj
FireEyeGeneric.mg.8a1dc714b39b7a31
CAT-QuickHealTrojan.Mauvaise.SL1
McAfeeArtemis!8A1DC714B39B
MalwarebytesTrojan.Downloader.UPX
VIPRETrojan.Win32.Generic!BT
SangforMalware
CrowdStrikewin/malicious_confidence_90% (W)
BitDefenderGen:Trojan.Downloader.fmGfa8gFUSbj
K7GWTrojan-Downloader ( 0054d9311 )
K7AntiVirusTrojan-Downloader ( 0054d9311 )
TrendMicroBackdoor.Win32.ZEGOST.SMS
BitDefenderThetaGen:NN.ZexaF.33558.fmGfa8gFUSbj
F-ProtW32/Blackmoon.M.gen!Eldorado
SymantecTrojan Horse
APEXMalicious
AvastWin32:DropperX-gen [Drp]
ClamAVWin.Dropper.Gh0stRAT-6989861-0
GDataWin32.Trojan.Agent.WP
KasperskyTrojan.Win32.Siscos.wgv
AlibabaTrojanDownloader:Win32/Siscos.4978e4b3
NANO-AntivirusTrojan.Win32.Tiny.gkwjyw
ViRobotTrojan.Win32.Z.Downloader.92160
AegisLabTrojan.Win32.Siscos.4!c
RisingBackdoor.Zegost!8.177 (TFE:5:GhyWtHWPdCV)
Ad-AwareGen:Trojan.Downloader.fmGfa8gFUSbj
EmsisoftTrojan-Downloader.Tiny (A)
ComodoPacked.Win32.MUPX.Gen@24tbus
F-SecureHeuristic.HEUR/AGEN.1014775
ZillyaTrojan.Siscos.Win32.5587
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Trojan.nc
SophosTroj/Agent-AWJO
IkarusTrojan-Ransom.HydraCrypt
CyrenW32/Blackmoon.M.gen!Eldorado
JiangminTrojan.Siscos.on
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1014775
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.Wacatac
Endgamemalicious (moderate confidence)
ArcabitTrojan.Downloader.fmGfa8gFUSbj
ZoneAlarmTrojan.Win32.Siscos.wgv
MicrosoftTrojan:Win32/Occamy.C
AhnLab-V3Trojan/Win32.Kryptik.R265106
Acronissuspicious
VBA32BScope.Backdoor.BlackHole
ALYacGen:Trojan.Downloader.fmGfa8gFUSbj
CylanceUnsafe
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/TrojanDownloader.Tiny.NQG
TrendMicro-HouseCallBackdoor.Win32.ZEGOST.SMS
YandexTrojan.Siscos!qvsRSp3UlMg
SentinelOneDFI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/Kryptik.FHSF!tr
AVGWin32:DropperX-gen [Drp]
Cybereasonmalicious.4b39b7
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.ee5

How to remove Trojan.Downloader.fmGfa8gFUSbj virus?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 install-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 Trojan.Downloader.fmGfa8gFUSbj 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 Trojan.Downloader.fmGfa8gFUSbj 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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