Trojan:Win32/Vundo!L

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

What is Trojan:Win32/Vundo!L infection?

In this article you will certainly locate concerning the meaning of Trojan:Win32/Vundo!L as well as its unfavorable influence on your computer. Such ransomware are a form of malware that is specified by online frauds to demand paying the ransom by a target.

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Most of the cases, Trojan:Win32/Vundo!L ransomware will certainly advise its sufferers to launch funds move for the purpose of neutralizing the changes that the Trojan infection has presented to the victim’s gadget.

Trojan:Win32/Vundo!L Summary

These adjustments can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • 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.
  • Executed a process and injected code into it, probably while unpacking;
  • Deletes its original binary from disk;
  • Writes a potential ransom message to disk;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the files found on the sufferer’s hard disk — so the victim can no more make use of the information;
  • Preventing regular 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.

Trojan:Win32/Vundo!L

The most normal networks whereby Trojan:Win32/Vundo!L Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a resource that holds a destructive software;

As quickly as the Trojan is successfully infused, it will either cipher the data on the target’s PC or prevent the tool from working in a proper way – while additionally positioning a ransom money note that states the requirement for the targets to impact the settlement for the objective of decrypting the papers or bring back the data system back to the preliminary condition. In the majority of instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has currently been damaged.

Trojan:Win32/Vundo!L distribution networks.

In numerous corners of the globe, Trojan:Win32/Vundo!L expands by jumps and also bounds. However, the ransom money notes as well as tricks of obtaining the ransom money amount may vary relying on certain local (local) settings. The ransom money notes as well as tricks of obtaining the ransom money quantity might vary depending on specific neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In specific locations, the Trojans typically wrongfully report having found some unlicensed applications allowed on the target’s gadget. The sharp then requires the individual to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software piracy is less popular, this technique is not as efficient for the cyber scams. Conversely, the Trojan:Win32/Vundo!L popup alert might incorrectly assert to be deriving from a law enforcement establishment and will report having situated child porn or other prohibited information on the gadget.

    Trojan:Win32/Vundo!L popup alert might incorrectly declare to be deriving from a regulation enforcement organization and will certainly report having situated kid porn or various other prohibited data on the gadget. The alert will likewise include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 4CA465CF
md5: c839a6834522a00faa53b0e8873e4f22
name: C839A6834522A00FAA53B0E8873E4F22.mlw
sha1: 731b4b98b798af8b27ece271305d2359832f4c81
sha256: e395e96b17910ca97a5e2246829ff18d5c617b3cf8f9fe1672da6d580ece3e61
sha512: b4326c28761d5c6626f0cfb26c1e99027083b3b36e1c1793677409b0e3b9ea4376611fe87306295a6fcaa34a76fc642e91a2c6d2a522e063c6007467f46c7ae3
ssdeep: 24576:xhhOa+9EuP99x0XZoVeCe6TXjJpsB8jIyLTGq:xOaeDfz7sUnTGq
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Vundo!L also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan-Downloader ( 004d47d61 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.33744
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (W)
K7GW Trojan-Downloader ( 004d47d61 )
Cybereason malicious.8b798a
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/TrojanDownloader.Nymaim.BA
APEX Malicious
Avast Win32:Evo-gen [Susp]
Kaspersky HEUR:Trojan-Ransom.Win32.Encoder.gen
BitDefender Trojan.GenericKD.36620265
MicroWorld-eScan Trojan.GenericKD.36620265
Ad-Aware Trojan.GenericKD.36620265
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34662.3uW@aWtGWkf
McAfee-GW-Edition BehavesLike.Win32.Kudj.ch
FireEye Generic.mg.c839a6834522a00f
Emsisoft Trojan.GenericKD.36620265 (B)
SentinelOne Static AI – Suspicious PE
Avira TR/Dldr.Nymaim.kiiwa
Microsoft Trojan:Win32/Vundo.gen!L
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Win32.Trojan.Agent.XSZEKS
McAfee Artemis!C839A6834522
MAX malware (ai score=83)
Malwarebytes Generic.Malware/Suspicious
TrendMicro-HouseCall TROJ_GEN.R002H01D121
Rising Downloader.Nymaim!8.781 (CLOUD)
Ikarus Trojan-Downloader.Win32.Nymaim
Fortinet W32/Nymaim.BA!tr.dldr
AVG Win32:Evo-gen [Susp]
Paloalto generic.ml
Qihoo-360 Win32/Heur.Generic.HwoCSZoA

How to remove Trojan:Win32/Vundo!L virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Trojan:Win32/Vundo!L 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 Trojan:Win32/Vundo!L 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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