Worm:VBS/Jenxcus.CB

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

What is Worm:VBS/Jenxcus.CB infection?

In this article you will certainly locate about the definition of Worm:VBS/Jenxcus.CB and its negative impact on your computer. Such ransomware are a type of malware that is specified by on-line scams to require paying the ransom money by a victim.

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In the majority of the cases, Worm:VBS/Jenxcus.CB virus will certainly advise its victims to launch funds transfer for the objective of neutralizing the amendments that the Trojan infection has actually introduced to the target’s tool.

Worm:VBS/Jenxcus.CB Summary

These alterations can be as follows:

  • Detected script timer window indicative of sleep style evasion;
  • 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.
  • Unconventionial language used in binary resources: Russian;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Stores JavaScript or a script command in the registry, likely for persistence or configuration;
  • A wscript.exe process commonly used in script or document file downloaders initiated network activity;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard drive — so the victim can no more use the information;
  • Preventing routine access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Worm:VBS/Jenxcus.CB

The most normal channels where Worm:VBS/Jenxcus.CB are infused are:

  • By means of phishing emails;
  • As a consequence of user ending up on a source that holds a destructive software;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or stop the gadget from functioning in an appropriate fashion – while also placing a ransom note that discusses the requirement for the victims to effect the repayment for the function of decrypting the documents or restoring the file system back to the preliminary condition. In most circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has currently been damaged.

Worm:VBS/Jenxcus.CB distribution networks.

In numerous edges of the globe, Worm:VBS/Jenxcus.CB grows by jumps as well as bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom amount may vary depending upon certain neighborhood (local) setups. The ransom notes as well as methods of extorting the ransom quantity might differ depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having actually found some unlicensed applications made it possible for on the target’s tool. The alert after that requires the customer to pay the ransom money.

    Faulty declarations regarding unlawful material.

    In nations where software program piracy is less preferred, this approach is not as effective for the cyber fraudulences. Alternatively, the Worm:VBS/Jenxcus.CB popup alert may wrongly claim to be originating from a law enforcement organization as well as will report having situated youngster porn or various other prohibited information on the device.

    Worm:VBS/Jenxcus.CB popup alert may falsely claim to be deriving from a law enforcement organization and will report having located kid porn or various other illegal information on the tool. The alert will in a similar way include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 2CA5A1B4
md5: 3c5994a5cd1f2ecdf4767373759b5557
name: 3C5994A5CD1F2ECDF4767373759B5557.mlw
sha1: 0a07f8679ded7a1946641e1eb312caf040508c4e
sha256: e2b1c5db7c52beb4d4a737d8e36a80c4f14fb7f700746784168e1d663c63d0c6
sha512: d6b246978e6ad77c13c9cbd0fc546165671ad0a38de98e3638084e064ee335d62f1f79a942d0f55f3befc97eefe5a94f66599b2605f1eaba4fbd7e7020252f34
ssdeep: 12288:nANwRo+mv8QD4+0V16sCjrYLHjbvGFtO0t0RA:nAT8QE+kvCjrYLHjqOHA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Microsoft Corporation
FileDescription: Microsoft Publisher 14.0.4730.1007
FileVersion: 14.0.4730.1007
Comments:
CompanyName: Microsoft Corporation
Translation: 0x0409 0x04e4

Worm:VBS/Jenxcus.CB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 005109ba1 )
DrWeb Trojan.DownLoader26.49102
Cynet Malicious (score: 85)
ALYac Trojan.Generic.22048484
Cylance Unsafe
Sangfor Trojan.Win32.Generic.2
CrowdStrike win/malicious_confidence_60% (D)
K7GW Trojan ( 005109ba1 )
Cybereason malicious.5cd1f2
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Generik.HFOGHSR
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan-Ransom.Win32.Blocker.kdfm
BitDefender Trojan.Generic.22048484
NANO-Antivirus Trojan.Win32.Blocker.eqllwf
MicroWorld-eScan Trojan.Generic.22048484
Tencent Win32.Trojan.Blocker.Llhp
Ad-Aware Trojan.Generic.22048484
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.gc
FireEye Generic.mg.3c5994a5cd1f2ecd
Emsisoft Trojan.Generic.22048484 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Blocker.kdfm
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Worm:VBS/Jenxcus.CB
GData Trojan.Generic.22048484
McAfee Artemis!3C5994A5CD1F
MAX malware (ai score=83)
VBA32 TrojanRansom.Blocker
Panda Trj/CI.A
Yandex Trojan.Blocker!qXXkoRcN/b0
Ikarus Trojan.MSIL.Crypt
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
Fortinet W32/Blocker.KDFM!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Worm.Houdini.HwUBEpsA

How to remove Worm:VBS/Jenxcus.CB 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 Worm:VBS/Jenxcus.CB 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 Worm:VBS/Jenxcus.CB 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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