TrojanDropper:Win32/Dwonk.A

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

What is TrojanDropper:Win32/Dwonk.A infection?

In this article you will certainly locate about the interpretation of TrojanDropper:Win32/Dwonk.A and its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet scams to demand paying the ransom by a victim.

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In the majority of the situations, TrojanDropper:Win32/Dwonk.A ransomware will instruct its sufferers to initiate funds transfer for the function of neutralizing the modifications that the Trojan infection has actually introduced to the target’s device.

TrojanDropper:Win32/Dwonk.A Summary

These alterations can be as adheres to:

  • Attempts to connect to a dead IP:Port (14 unique times);
  • Starts servers listening on 0.0.0.0:21070;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Bulgarian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Looks up the external IP address;
  • Creates an autorun.inf file;
  • Sniffs keystrokes;
  • Attempts to stop active services;
  • A process attempted to delay the analysis task by a long amount of time.;
  • 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.
  • Likely virus infection of existing system binary;
  • Creates a copy of itself;
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Attempts to modify UAC prompt behavior;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the victim’s hard drive — so the victim can no more use 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.
Similar behavior
Related domains
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www.showmyipaddress.comTrojan-Ransom.Win32.Blocker.ckeq
www.whatismyip.comTrojan-Ransom.Win32.Blocker.ckeq
www.wikipedia.orgTrojan-Ransom.Win32.Blocker.ckeq
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sepsbs.netTrojan-Ransom.Win32.Blocker.ckeq
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TrojanDropper:Win32/Dwonk.A

One of the most typical networks through which TrojanDropper:Win32/Dwonk.A Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a resource that holds a malicious software application;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s PC or stop the gadget from working in a correct manner – while likewise putting a ransom note that states the requirement for the targets to impact the repayment for the objective of decrypting the papers or restoring the documents system back to the initial problem. In a lot of circumstances, the ransom note will turn up when the client restarts the COMPUTER after the system has already been harmed.

TrojanDropper:Win32/Dwonk.A circulation networks.

In different edges of the globe, TrojanDropper:Win32/Dwonk.A expands by jumps and also bounds. Nevertheless, the ransom money notes and methods of obtaining the ransom quantity might vary depending on certain neighborhood (local) settings. The ransom notes and methods of extorting the ransom quantity may differ depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software.

    In specific areas, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the target’s device. The sharp after that requires the user to pay the ransom money.

    Faulty statements about unlawful material.

    In countries where software program piracy is less popular, this approach is not as efficient for the cyber frauds. Conversely, the TrojanDropper:Win32/Dwonk.A popup alert may falsely claim to be originating from a law enforcement organization as well as will report having located kid pornography or other illegal data on the device.

    TrojanDropper:Win32/Dwonk.A popup alert might falsely declare to be obtaining from a regulation enforcement establishment and will certainly report having situated youngster pornography or other illegal data on the gadget. The alert will in a similar way include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 6F07A2B1
md5: a3f0693f5853f3c90a7e8376ba850d9b
name: A3F0693F5853F3C90A7E8376BA850D9B.mlw
sha1: 3c4509434e59d61bde58fe2d00062a014de51af7
sha256: 298c5c8c178714baf6b77f79a3f476d5d3f69c3ff9c112caf1e37132bf815274
sha512: 459bc72be1a9b1170fd06c11d04a49e67aa168582f0ae7e47eb6c314c03bc53d589f8c84a67b9c94acdfae159f4709ac0c8d6697a0aa7c997a22820b815cc1b9
ssdeep: 6144:V8XXRUw9Oz5+iUU03pej1YpTYzOb0kLXhlJFTaLTGu0yvHcr+JB8aUzteBErF:enRy+ZyYpaCDJFuPyAHcqrUBsWF
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

TrojanDropper:Win32/Dwonk.A also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanDropped:Worm.Generic.296082
FireEyeGeneric.mg.a3f0693f5853f3c9
CAT-QuickHealTrojanDropper.Dwonk.A
ALYacDropped:Worm.Generic.296082
CylanceUnsafe
ZillyaWorm.AutoRun.Win32.135743
SangforTrojan.Win32.Save.a
K7AntiVirusP2PWorm ( 0055e3e51 )
BitDefenderDropped:Worm.Generic.296082
K7GWP2PWorm ( 0055e3e51 )
Cybereasonmalicious.f5853f
BitDefenderThetaGen:NN.ZexaF.34590.TqW@a0CwwVdG
CyrenW32/Trojan.GFJX-4360
SymantecW32.Pykspa!gen1
ESET-NOD32Win32/AutoRun.Agent.TG
BaiduWin32.Worm.AutoRun.bj
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyTrojan-Ransom.Win32.Blocker.ckeq
AlibabaRansom:Win32/Blocker.1a2991e8
NANO-AntivirusTrojan.Win32.Drop.ihult
ViRobotTrojan.Win32.Chydo.1032192
TencentTrojan-ransom.Win32.Blocker.ckeq
Ad-AwareDropped:Worm.Generic.296082
EmsisoftDropped:Worm.Generic.296082 (B)
ComodoTrojWare.Win32.Scar.AB@1nhgxm
F-SecureTrojan.TR/Drop.Agent.ML
DrWebTrojan.MulDrop.46689
VIPRETrojan-Dropper.Win32.XoredBinary.b (v)
TrendMicroTROJ_RENOS.SM
McAfee-GW-EditionBehavesLike.Win32.Generic.bh
SophosMal/Generic-R + Troj/Dwonk-A
IkarusTrojan-Dropper.Win32.Dwonk
JiangminTrojan/Scar.cym
MaxSecureTrojan.Malware.300983.susgen
AviraTR/Drop.Agent.ML
Antiy-AVLTrojan/Win32.Scar
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojanDropper:Win32/Dwonk.A
ArcabitWorm.Generic.D48492
SUPERAntiSpywareTrojan.Agent/Gen-Dropper
AhnLab-V3Trojan/Win32.Chydo.R3468
ZoneAlarmTrojan-Ransom.Win32.Blocker.ckeq
GDataDropped:Worm.Generic.296082
TACHYONTrojan/W32.Chydo.749568
TotalDefenseWin32/SillyAutorun.CCQ
Acronissuspicious
McAfeeBackDoor-EJG
MAXmalware (ai score=83)
VBA32Trojan.Chudik.28205
MalwarebytesGeneric.Trojan.KillAV.DDS
PandaGeneric Malware
ZonerTrojan.Win32.92080
TrendMicro-HouseCallTROJ_RENOS.SM
RisingTrojan.DL.Dwonk!1.662D (CLOUD)
YandexTrojan.GenAsa!uxS0cK+M0EA
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_98%
FortinetW32/Agent.LGB!tr
WebrootW32.Trojan.Gen
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Worm.Chydo.HwgAfWUA

How to remove TrojanDropper:Win32/Dwonk.A virus?

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 GridinSoft2

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft3.

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 TrojanDropper:Win32/Dwonk.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 TrojanDropper:Win32/Dwonk.A you can always ask me in the comments for getting help.

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References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. 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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