Win32/Filecoder.JSWorm.A

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

What is Win32/Filecoder.JSWorm.A infection?

In this article you will certainly find concerning the definition of Win32/Filecoder.JSWorm.A as well as its unfavorable influence on your computer. Such ransomware are a type of malware that is clarified by online scams to demand paying the ransom money by a victim.

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In the majority of the cases, Win32/Filecoder.JSWorm.A virus will certainly advise its targets to initiate funds move for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the target’s tool.

Win32/Filecoder.JSWorm.A Summary

These modifications can be as adheres to:

  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Attempts to stop active services;
  • 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;
  • Ciphering the records located on the sufferer’s hard disk — so the victim can no more use the information;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyzTrojan.Ransom.JSWorm
a.tomx.xyzTrojan.Ransom.JSWorm

Win32/Filecoder.JSWorm.A

The most typical networks whereby Win32/Filecoder.JSWorm.A Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of user winding up on a source that hosts a malicious software program;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s PC or protect against the tool from working in a correct manner – while likewise putting a ransom money note that discusses the need for the sufferers to impact the payment for the purpose of decrypting the documents or restoring the file system back to the preliminary condition. In many instances, the ransom note will show up when the customer reboots the COMPUTER after the system has currently been harmed.

Win32/Filecoder.JSWorm.A distribution channels.

In numerous corners of the globe, Win32/Filecoder.JSWorm.A expands by jumps and bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom money amount may differ depending upon particular local (local) setups. The ransom money notes as well as methods of extorting the ransom quantity may differ depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In specific areas, the Trojans typically wrongfully report having spotted some unlicensed applications enabled on the target’s device. The sharp then demands the individual to pay the ransom.

    Faulty declarations concerning unlawful content.

    In nations where software program piracy is much less prominent, this approach is not as efficient for the cyber scams. Additionally, the Win32/Filecoder.JSWorm.A popup alert might incorrectly assert to be deriving from a police establishment and also will certainly report having situated kid pornography or various other prohibited data on the device.

    Win32/Filecoder.JSWorm.A popup alert may incorrectly assert to be deriving from a regulation enforcement establishment and also will report having situated youngster pornography or other illegal data on the tool. The alert will similarly contain a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 358A342C
md5: 6917163da452e8e47db8833af8617875
name: 6917163DA452E8E47DB8833AF8617875.mlw
sha1: d697e4a7f1ea1635e57ff8f05e09a1cc255fc0ff
sha256: 1bf5a742be1c1319ed3646793efe6b909b80e077c5960ac3b1cebc9522498b77
sha512: 3fe3410bcda7cda65cf4e0c581493a84bb8226b22b713944e34aa4a99827597b24459475c81ef7ff43934eedfb2c100fbde03e6bf261176c7cdbb33a7018d8f0
ssdeep: 6144:vBpI7KUeB7VLJskfWpRF5m8ajXYOQV7D5iSVUPySZ0w18kH4ALXZR6AOzez+yEF:vBwKlVLaxfm7I5iSVUPySZ0KfXZR6Yz
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.JSWorm.A also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 0054e6741 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.28634
CynetMalicious (score: 99)
ALYacTrojan.Ransom.JSWorm
CylanceUnsafe
ZillyaTrojan.Filecoder.Win32.9432
SangforTrojan.Win32.FileCoder.terpa
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/DelShad.8afdce30
K7GWTrojan ( 0054e6741 )
Cybereasonmalicious.da452e
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Filecoder.JSWorm.A
APEXMalicious
AvastWin32:Trojan-gen
KasperskyTrojan-Ransom.Win32.JSWorm.cc
BitDefenderDeepScan:Generic.Ransom.JSWORM.45C67EF2
NANO-AntivirusTrojan.Win32.DelShad.fqmjhh
MicroWorld-eScanDeepScan:Generic.Ransom.JSWORM.45C67EF2
TencentWin32.Trojan.Delshad.Wnml
Ad-AwareDeepScan:Generic.Ransom.JSWORM.45C67EF2
ComodoMalware@#3gagsqmtdbfs8
F-SecureHeuristic.HEUR/AGEN.1128004
BitDefenderThetaGen:NN.ZexaF.34722.wqW@aa1PHVe
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom.Win32.JSWORM.SM
McAfee-GW-EditionTrojan-FQZW!6917163DA452
FireEyeGeneric.mg.6917163da452e8e4
EmsisoftDeepScan:Generic.Ransom.JSWORM.45C67EF2 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.DelShad.ap
AviraHEUR/AGEN.1128004
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.2B9B856
MicrosoftRansom:Win32/Paradise.BC!MTB
ArcabitDeepScan:Generic.Ransom.JSWORM.45C67EF2
AegisLabTrojan.Win32.DelShad.4!c
GDataWin32.Trojan-Ransom.Filecoder.CF@gen
AhnLab-V3Malware/Win32.Generic.C3253347
McAfeeTrojan-FQZW!6917163DA452
MAXmalware (ai score=99)
VBA32Trojan.DelShad
MalwarebytesRansom.JSWorm
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom.Win32.JSWORM.SM
YandexTrojan.GenAsa!amOcVnkWzS0
IkarusTrojan-Ransom.FileCrypter
MaxSecureTrojan.Malware.74319874.susgen
FortinetW32/Filecoder.NVV!tr.ransom
AVGWin32:Trojan-gen
Paloaltogeneric.ml

How to remove Win32/Filecoder.JSWorm.A 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

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