Trojan.Win32.Fsysna.fwfa

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

What is Trojan.Win32.Fsysna.fwfa infection?

In this short article you will locate concerning the meaning of Trojan.Win32.Fsysna.fwfa and its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to demand paying the ransom money by a target.

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Most of the situations, Trojan.Win32.Fsysna.fwfa infection will certainly instruct its sufferers to initiate funds move for the purpose of reducing the effects of the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

Trojan.Win32.Fsysna.fwfa Summary

These modifications can be as follows:

  • 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;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Collects information about installed applications;
  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • 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 victim’s hard disk — so the victim can no more use the data;
  • Preventing normal access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan.Win32.Fsysna.fwfa

One of the most common networks whereby Trojan.Win32.Fsysna.fwfa Trojans are infused are:

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

As soon as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or protect against the tool from working in a proper fashion – while also positioning a ransom money note that discusses the demand for the victims to impact the settlement for the purpose of decrypting the records or recovering the documents system back to the preliminary condition. In a lot of instances, the ransom note will turn up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Trojan.Win32.Fsysna.fwfa distribution channels.

In different corners of the world, Trojan.Win32.Fsysna.fwfa expands by jumps and also bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom amount may vary depending on specific local (local) settings. The ransom notes and tricks of extorting the ransom money quantity may vary depending on specific regional (local) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having discovered some unlicensed applications made it possible for on the victim’s gadget. The sharp then demands the user to pay the ransom.

    Faulty statements concerning prohibited content.

    In countries where software program piracy is less prominent, this method is not as effective for the cyber fraudulences. Alternatively, the Trojan.Win32.Fsysna.fwfa popup alert might incorrectly assert to be deriving from a police institution and will report having located kid pornography or other illegal information on the gadget.

    Trojan.Win32.Fsysna.fwfa popup alert might falsely assert to be deriving from a regulation enforcement establishment as well as will report having located child pornography or various other unlawful data on the gadget. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 4F8F639B
md5: acf082c0c53d1e478f0048bac08d7a6d
name: 2c.jpg
sha1: 74d900a146e2475d2b1914b97f52d788232a596c
sha256: 379b874a71a6e1c10a55a38b8bdb4039004ac983553b16f483696b376b412eab
sha512: 7343d72d60c800f71b6c15b3e3579d0f05a1425a99f0897107567466332965695aa23050961b419d3739a2e85ede38c92c0c6ea9a0023db99834537ee34bdac7
ssdeep: 24576:PmelBWd6d6cLsmqnIyWJ3ob/giIoJ1Bl6KdZGqpADMTRi+vTwNSWPmIS47qcErx:eM8d6AcLCxJbRIo3HfGqmoTNrw3SBg
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Trojan.Win32.Fsysna.fwfa also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.32614774
CAT-QuickHealRansom.Stop.MP4
McAfeeTrojan-FRNO!ACF082C0C53D
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 00559bdb1 )
BitDefenderTrojan.GenericKD.32614774
K7GWTrojan ( 00559bdb1 )
CrowdStrikewin/malicious_confidence_100% (W)
TrendMicroTROJ_FRS.VSNW11J19
BitDefenderThetaGen:NN.ZexaF.33550.Nz0@aiaDDppi
F-ProtW32/Kryptik.AKQ.gen!Eldorado
SymantecTrojan Horse
ESET-NOD32a variant of Win32/Kryptik.GXJX
TrendMicro-HouseCallTrojan.Win32.SMOKELOAD.SMC2.hp
AvastWin32:Malware-gen
ClamAVWin.Packed.Generic-7338654-0
GDataTrojan.GenericKD.32614774
KasperskyTrojan.Win32.Fsysna.fwfa
AlibabaTrojan:Win32/Fsysna.106d3cdd
NANO-AntivirusTrojan.Win32.Fsysna.gdyhcf
AegisLabTrojan.Multi.Generic.4!c
APEXMalicious
RisingTrojan.Kryptik!1.BDF7 (CLASSIC)
Ad-AwareTrojan.GenericKD.32614774
SophosTroj/Ransom-FRD
ComodoMalware@#27h10g48kp644
DrWebTrojan.Encoder.858
ZillyaTrojan.Kryptik.Win32.1791793
McAfee-GW-EditionBehavesLike.Win32.Generic.tm
FireEyeGeneric.mg.acf082c0c53d1e47
EmsisoftTrojan-Ransom.Shade (A)
CyrenW32/Trojan.DKTR-8855
JiangminTrojan.Chapak.hfm
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1044490
MAXmalware (ai score=80)
Antiy-AVLTrojan/Win32.Fsysna
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D1F1A976
AhnLab-V3Malware/Win32.RL_Generic.R294867
ZoneAlarmTrojan.Win32.Fsysna.fwfa
MicrosoftTrojan:Win32/CryptInject.AS!MTB
Acronissuspicious
VBA32TrojanDownloader.Bandit
ALYacTrojan.Ransom.Shade
MalwarebytesTrojan.MalPack.GS.Generic
PandaTrj/GdSda.A
YandexTrojan.Fsysna!
IkarusTrojan.Win32.CryptInject
MaxSecureTrojan.Malware.74635621.susgen
FortinetW32/Kryptik.GXHG!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360HEUR/QVM10.2.989F.Malware.Gen

How to remove Trojan.Win32.Fsysna.fwfa 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.Win32.Fsysna.fwfa 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:

Full version of GridinSoft

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If the guide doesn’t help you to remove Trojan.Win32.Fsysna.fwfa 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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