Trojan:Linux/Vigorf.A

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

What is Trojan:Linux/Vigorf.A infection?

In this post you will certainly locate about the interpretation of Trojan:Linux/Vigorf.A and its unfavorable impact on your computer. Such ransomware are a form of malware that is elaborated by on the internet scams to require paying the ransom by a target.

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Most of the cases, Trojan:Linux/Vigorf.A virus will certainly instruct its targets to initiate funds transfer for the function of counteracting the amendments that the Trojan infection has introduced to the target’s tool.

Trojan:Linux/Vigorf.A 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.
  • Compression (or decompression);
  • 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.

  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Exhibits possible ransomware file modification behavior;
  • Creates a known Cerber ransomware decryption instruction / key file.;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard drive — so the target can no longer use the information;
  • 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:Linux/Vigorf.A

The most common channels where Trojan:Linux/Vigorf.A Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user ending up on a resource that organizes a harmful software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the target’s PC or protect against the tool from operating in a proper way – while additionally putting a ransom money note that mentions the demand for the victims to effect the payment for the objective of decrypting the papers or recovering the file system back to the preliminary problem. In most instances, the ransom note will show up when the client restarts the PC after the system has currently been damaged.

Trojan:Linux/Vigorf.A circulation channels.

In numerous edges of the globe, Trojan:Linux/Vigorf.A grows by jumps and bounds. Nevertheless, the ransom notes and methods of extorting the ransom amount might differ relying on specific neighborhood (local) setups. The ransom money notes as well as methods of extorting the ransom money amount may vary depending on particular regional (regional) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software.

    In certain areas, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the sufferer’s device. The sharp then demands the individual to pay the ransom.

    Faulty declarations concerning illegal material.

    In nations where software program piracy is less popular, this approach is not as effective for the cyber scams. Conversely, the Trojan:Linux/Vigorf.A popup alert may falsely assert to be originating from a law enforcement organization and will report having located youngster pornography or other illegal information on the device.

    Trojan:Linux/Vigorf.A popup alert might wrongly assert to be obtaining from a law enforcement institution as well as will report having located child porn or other illegal data on the gadget. The alert will likewise have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 86A991F9
md5: b0f62ea69b0d8c167642a78573f1109a
name: B0F62EA69B0D8C167642A78573F1109A.mlw
sha1: 5d62379ca6ff35786189b192896b87151b4090d6
sha256: 7961af9195088db365bfa7ff53e94af9117d50171c928949568e7a95af86ae24
sha512: e0cc280978cdaf3d4744cd8548a9e3939bd5b376f0c9ac78500269e174ce13420d7ff8004b9a47afe2f4558b4e5a7c6b0e05495fb82b407b93328dcf97869d47
ssdeep: 6144:2UjRwjVvJIl3ZOUXwpWhrZS8M2boGJs4XcI+fTn:2qKVvJIwpwttUGzXqbn
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Trojan:Linux/Vigorf.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Cerber.B
ALYac DeepScan:Generic.Ransom.NSIS.Androm2.81E5878F
Malwarebytes Ransom.Cerber.Generic
Zillya Trojan.Zerber.Win32.671
CrowdStrike win/malicious_confidence_100% (W)
Cybereason malicious.69b0d8
Symantec Packed.NSISPacker!g3
ESET-NOD32 NSIS/Injector.MI
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Cerber-6995345-0
Kaspersky Trojan-Ransom.Win32.Zerber.arki
BitDefender DeepScan:Generic.Ransom.NSIS.Androm2.81E5878F
NANO-Antivirus Trojan.Nsis.AD.ejohdq
SUPERAntiSpyware Ransom.Cerber/Variant
MicroWorld-eScan DeepScan:Generic.Ransom.NSIS.Androm2.81E5878F
Ad-Aware DeepScan:Generic.Ransom.NSIS.Androm2.81E5878F
Sophos ML/PE-A + Mal/Miuref-L
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_Cerber-10
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.b0f62ea69b0d8c16
Emsisoft DeepScan:Generic.Ransom.NSIS.Androm2.81E5878F (B)
SentinelOne Static AI – Suspicious PE
Avira TR/Dropper.Gen
Microsoft Trojan:Linux/Vigorf.A
GData Win32.Trojan-Ransom.Cerber.S57US5
TACHYON Ransom/W32.Cerber.263115
AhnLab-V3 Trojan/Win32.Cerber.R191708
McAfee Artemis!B0F62EA69B0D
MAX malware (ai score=81)
Panda Trj/CI.A
TrendMicro-HouseCall Mal_Cerber-10
Fortinet W32/Injector.MF!tr
AVG Win32:Malware-gen

How to remove Trojan:Linux/Vigorf.A ransomware?

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:Linux/Vigorf.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 Trojan:Linux/Vigorf.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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