Ransom.JSWorm

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

What is Ransom.JSWorm infection?

In this short article you will locate concerning the meaning of Ransom.JSWorm and its unfavorable influence on your computer. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to require paying the ransom by a sufferer.

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In the majority of the instances, Ransom.JSWorm infection will certainly advise its targets to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has presented to the victim’s device.

Ransom.JSWorm Summary

These adjustments can be as follows:

  • 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.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • 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!
  • Modifies boot configuration settings;
  • 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.
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the victim’s hard disk drive — so the victim can no more make use of 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.

Ransom.JSWorm

One of the most typical networks where Ransom.JSWorm Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of customer winding up on a resource that organizes a malicious software program;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s computer or avoid the tool from functioning in a correct manner – while likewise placing a ransom money note that points out the requirement for the targets to effect the settlement for the function of decrypting the records or bring back the documents system back to the initial condition. In most instances, the ransom note will show up when the customer restarts the COMPUTER after the system has actually already been damaged.

Ransom.JSWorm circulation channels.

In various corners of the globe, Ransom.JSWorm expands by jumps and also bounds. Nevertheless, the ransom money notes as well as methods of obtaining the ransom money amount might differ relying on specific neighborhood (regional) setups. The ransom notes and methods of obtaining the ransom money amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications enabled on the sufferer’s tool. The alert after that demands the user to pay the ransom.

    Faulty statements regarding illegal material.

    In countries where software program piracy is less popular, this technique is not as effective for the cyber frauds. Alternatively, the Ransom.JSWorm popup alert may falsely declare to be stemming from a police establishment and also will certainly report having situated youngster pornography or other unlawful information on the gadget.

    Ransom.JSWorm popup alert may wrongly claim to be deriving from a legislation enforcement institution as well as will certainly report having situated kid pornography or various other illegal data on the tool. The alert will likewise include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 8014B693
md5: 31adc85947ddef5ce19c401d040aee82
name: 31ADC85947DDEF5CE19C401D040AEE82.mlw
sha1: 83fc6eb67db184d72c7f869a4798276add1b6932
sha256: 40753596e42b5d9114e00d959b96f76d3575f6624a85b4d4e68a4f1d2c037389
sha512: ae4e03abbdb4a5b9b8bdc935879d74b7143fa2f46458848eb4c2581180a4b3b1ccba1f1c99a3c12be66be9eaafcc942fcb75902abb6af220017e890466dd2f75
ssdeep: 1536:hMpzUI6GFG0ulaQcxbKeBDWouUitkXtoDiarKl:hMVOG8qb57HHar
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.JSWorm also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005588651 )
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop9.39759
CynetMalicious (score: 100)
ALYacTrojan.Ransom.JSWorm
CylanceUnsafe
ZillyaTrojan.Generic.Win32.924058
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/JSWorm.4f417f47
K7GWTrojan ( 005588651 )
Cybereasonmalicious.947dde
SymantecDownloader
ESET-NOD32a variant of Win32/Filecoder.JSWorm.F
APEXMalicious
AvastWin32:Trojan-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderDeepScan:Generic.Ransom.JSWORM.69D8B90B
NANO-AntivirusTrojan.Win32.Filecoder.ftvirn
ViRobotTrojan.Win32.Ransom.80896.B
MicroWorld-eScanDeepScan:Generic.Ransom.JSWORM.69D8B90B
TencentWin32.Trojan.Filecoder.Ljar
Ad-AwareDeepScan:Generic.Ransom.JSWORM.69D8B90B
SophosMal/Generic-S
BitDefenderThetaAI:Packer.5DFFB8591E
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom.Win32.JSWORM.SMA
McAfee-GW-EditionBehavesLike.Win32.Generic.lh
FireEyeGeneric.mg.31adc85947ddef5c
EmsisoftDeepScan:Generic.Ransom.JSWORM.69D8B90B (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.gezwo
AviraTR/Downloader.Gen
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.2C3517B
MicrosoftRansom:Win32/JSWorm.A!MTB
ArcabitDeepScan:Generic.Ransom.JSWORM.69D8B90B
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataDeepScan:Generic.Ransom.JSWORM.69D8B90B
TACHYONRansom/W32.JSWorm.80896
AhnLab-V3Trojan/Win32.RansomCrypt.C3360075
Acronissuspicious
McAfeeGenericRXAA-AA!31ADC85947DD
VBA32BScope.Trojan.Agent
MalwarebytesRansom.JSWorm
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom.Win32.JSWORM.SMA
RisingTrojan.Generic@ML.89 (RDML:Oou1FRyE04D031qBf4WGhQ)
YandexTrojan.Filecoder!DylofGRLpKY
IkarusTrojan-Ransom.FileCrypter
MaxSecureTrojan.Malware.7164915.susgen
FortinetW32/Filecoder.NVV!tr.ransom
AVGWin32:Trojan-gen
Paloaltogeneric.ml

How to remove Ransom.JSWorm ransomware?

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 Ransom.JSWorm 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

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom.JSWorm 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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