Worm:Win32/Drolnux.A

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

What is Worm:Win32/Drolnux.A infection?

In this article you will locate regarding the definition of Worm:Win32/Drolnux.A as well as its adverse influence on your computer system. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom money by a sufferer.

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In the majority of the instances, Worm:Win32/Drolnux.A ransomware will certainly instruct its targets to initiate funds transfer for the objective of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s device.

Worm:Win32/Drolnux.A Summary

These alterations can be as complies with:

  • 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.
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • 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.
  • Detects VirtualBox through the presence of a registry key;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the sufferer’s disk drive — so the victim can no more utilize the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
www.ibayme.eb2a.comTrojan-Ransom.Win32.Blocker.jgb

Worm:Win32/Drolnux.A

One of the most regular networks where Worm:Win32/Drolnux.A are injected are:

  • By methods of phishing emails;
  • As an effect of user ending up on a source that hosts a harmful software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s computer or avoid the gadget from operating in a proper way – while likewise putting a ransom money note that discusses the requirement for the targets to effect the payment for the purpose of decrypting the files or restoring the data system back to the first condition. In a lot of instances, the ransom note will come up when the client restarts the PC after the system has already been damaged.

Worm:Win32/Drolnux.A circulation channels.

In numerous corners of the world, Worm:Win32/Drolnux.A expands by leaps and bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom quantity might differ depending on certain local (regional) setups. The ransom money notes as well as tricks of obtaining the ransom money amount might differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In specific areas, the Trojans commonly wrongfully report having actually found some unlicensed applications enabled on the sufferer’s gadget. The sharp then demands the customer to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In nations where software piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Additionally, the Worm:Win32/Drolnux.A popup alert may falsely declare to be stemming from a law enforcement establishment and also will certainly report having situated kid porn or other unlawful data on the gadget.

    Worm:Win32/Drolnux.A popup alert may falsely claim to be obtaining from a legislation enforcement institution and will report having situated youngster porn or various other unlawful information on the device. The alert will similarly have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: D12F46A3
md5: 06c39f1d810379dfab5df4b7c07f8569
name: 06C39F1D810379DFAB5DF4B7C07F8569.mlw
sha1: 40cc8d978b27a1ad2ba8e125eba3e364ffe959ec
sha256: c14bb39871464f2a956080c36331fae5a1279856ed1ec55fd6cd047d3b209dbb
sha512: 0f9c8349150598ed3d1acbf964b3019b635d713c46b6ec9183fc8e98f7fca5353bf0a3652bce8d458248bf8a813f0c9a5bcaef41dc681ee60d510cca315e522d
ssdeep: 12288:7t8vVED3Bk0Mr9Vif7/F1hIIaYHuvAIS2Z:7t+gvMpVij/F1hV5HuvAIv
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

ProductVersion: 1.10
InternalName: PDFReader
FileVersion: 1.10
OriginalFilename: PDFReader.exe
ProductName: PDF_Reader_1.1
Translation: 0x0409 0x04b0

Worm:Win32/Drolnux.A also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.FamVT.BlockerVM.Trojan
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Generic.8206390
FireEyeGeneric.mg.06c39f1d810379df
McAfeeW32/Worm-FFX!06C39F1D8103
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.1434
AegisLabTrojan.Win32.Blocker.tqB8
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0055e3dd1 )
BitDefenderTrojan.Generic.8206390
K7GWTrojan ( 0055e3dd1 )
CrowdStrikewin/malicious_confidence_100% (D)
BaiduWin32.Worm.Agent.z
CyrenW32/A-0e3801ef!Eldorado
SymantecTrojan Horse
TotalDefenseWin32/Tnega.XEcRLNC
APEXMalicious
ClamAVWin.Trojan.Blocker-391
KasperskyTrojan-Ransom.Win32.Blocker.jgb
AlibabaWorm:Win32/Blocker.7e3ad61d
NANO-AntivirusTrojan.Win32.Blocker.bdcvim
ViRobotTrojan.Win32.A.Blocker.401637
AvastWin32:DelFiles-AE [Trj]
Ad-AwareTrojan.Generic.8206390
EmsisoftTrojan.Generic.8206390 (B)
ComodoTrojWare.Win32.Ransom.Blocker.cdf@4tkf0k
F-SecureWorm.WORM/DelFiles.aouna
DrWebWin32.HLLW.Autoruner1.32327
VIPRETrojan.Win32.Generic!SB.0
TrendMicroWORM_DROLNUX_EI160009.UVPM
McAfee-GW-EditionBehavesLike.Win32.Generic.fh
SophosMal/Generic-S + Troj/Delfiles-V
IkarusWorm.Win32.Delfiles
JiangminTrojan/Blocker.tf
MaxSecureTrojan-Ransom.Win32.Blocker.jgb
AviraWORM/DelFiles.aouna
MAXmalware (ai score=100)
Antiy-AVLTrojan[Ransom]/Win32.Blocker.jgb
KingsoftHeur.SSC.2665991.1216.(kcloud)
MicrosoftWorm:Win32/Drolnux.A
ArcabitTrojan.Generic.D7D3836
SUPERAntiSpywareTrojan.Agent/Gen-Delfiles
ZoneAlarmTrojan-Ransom.Win32.Blocker.jgb
GDataTrojan.Generic.8206390
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Blocker.R46547
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.34590.yG3@aixyeCji
ALYacTrojan.Generic.8206390
TACHYONTrojan/W32.Blocker.401805
VBA32BScope.TrojanRansom.Blocker
MalwarebytesDroInux.Worm.Autorun.DDS
ESET-NOD32Win32/Agent.NLV
TrendMicro-HouseCallWORM_DROLNUX_EI160009.UVPM
RisingWorm.Drolnux!1.9CC3 (CLOUD)
YandexTrojan.GenAsa!9kFN0cnOEto
SentinelOneStatic AI – Malicious PE
FortinetW32/Agent.XXI!tr
WebrootW32.Worm.Gen
AVGWin32:DelFiles-AE [Trj]
Cybereasonmalicious.d81037
PandaTrj/Genetic.gen
Qihoo-360Win32/Virus.Drolnux.HwEBdHcA

How to remove Worm:Win32/Drolnux.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 Worm:Win32/Drolnux.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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Worm:Win32/Drolnux.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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