Trojan.Dynamer.A4

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

What is Trojan.Dynamer.A4 infection?

In this post you will certainly locate about the interpretation of Trojan.Dynamer.A4 and also its adverse influence on your computer system. Such ransomware are a form of malware that is clarified by on the internet scams to require paying the ransom money by a target.

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Most of the cases, Trojan.Dynamer.A4 virus will advise its victims to launch funds transfer for the function of counteracting the modifications that the Trojan infection has introduced to the target’s gadget.

Trojan.Dynamer.A4 Summary

These modifications can be as complies with:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Sniffs keystrokes;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Installs itself for autorun at Windows startup;
  • Anomalous binary characteristics;
  • Ciphering the files located on the sufferer’s hard drive — so the sufferer can no longer make use of the information;
  • Preventing normal accessibility to the victim’s workstation;

Related domains:

wpad.local-net Ransom.Win32.Sabsik.sa
youetube.zapto.org Ransom.Win32.Sabsik.sa

Trojan.Dynamer.A4

One of the most typical channels where Trojan.Dynamer.A4 are injected are:

  • By means of phishing emails;
  • As a repercussion of user winding up on a resource that holds a malicious software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the sufferer’s computer or avoid the gadget from operating in an appropriate fashion – while additionally positioning a ransom note that points out the requirement for the targets to effect the payment for the function of decrypting the papers or restoring the data system back to the initial condition. In a lot of circumstances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has currently been damaged.

Trojan.Dynamer.A4 circulation channels.

In numerous corners of the world, Trojan.Dynamer.A4 expands by jumps and bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom amount might differ depending on certain neighborhood (regional) setups. The ransom money notes and techniques of extorting the ransom amount might vary depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having found some unlicensed applications allowed on the victim’s tool. The alert after that demands the customer to pay the ransom money.

    Faulty statements about unlawful web content.

    In countries where software piracy is much less popular, this approach is not as effective for the cyber fraudulences. Conversely, the Trojan.Dynamer.A4 popup alert may falsely declare to be deriving from a police organization and will certainly report having situated kid porn or other unlawful data on the device.

    Trojan.Dynamer.A4 popup alert might falsely assert to be acquiring from a regulation enforcement institution and also will report having located youngster pornography or other illegal data on the device. The alert will likewise have a demand for the user to pay the ransom money.

Technical details

File Info:

name: 18F66DC0E778D9C93FF4.mlw
path: /opt/CAPEv2/storage/binaries/26affd172850fef7cb052c2941228721938bf666abbd5d2d729e2197d6963eb5
crc32: 7299144B
md5: 18f66dc0e778d9c93ff49664ad618d1a
sha1: d6c0292247cc76ba725e2db1993e710158d9cc00
sha256: 26affd172850fef7cb052c2941228721938bf666abbd5d2d729e2197d6963eb5
sha512: 2a720b15e85ba659ae0b2497a15eaca8b92c97f931e6107ed3ab1bd268de3cc97c327c5679d149f509e1b9bd35ef2e23082db531449c10c864bad7d438e3626d
ssdeep: 24576:WZgKN5qdQokz0A1bPZcrtosfNNY3sSExHMCP:WZgvuokzV1Fcr9fNNls
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B245E126F6D0C537C1736E38CC5BE2589C25BEE02D2425477BE96E8D8F397813426297
sha3_384: 872f0873001dda77931ba3c16133a705988ba29b8a69d14936123747f1c9faeec23b81a9e3b273da3b7c90b3c80aaf4d
ep_bytes: 558becb9280000006a006a004975f953
timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Trojan.Dynamer.A4 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Agent.top9
Elastic malicious (high confidence)
DrWeb Trojan.Inject1.5890
MicroWorld-eScan Trojan.GenericKD.40672640
FireEye Generic.mg.18f66dc0e778d9c9
CAT-QuickHeal Trojan.Dynamer.A4
ALYac Trojan.GenericKD.40672640
Cylance Unsafe
Zillya Trojan.Agent.Win32.2589451
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005896cb1 )
Alibaba Trojan:Win32/Starter.ali1001008
K7GW Trojan ( 005896cb1 )
Cybereason malicious.0e778d
BitDefenderTheta AI:Packer.68042D5919
Cyren W32/Agent.AKD.gen!Eldorado
Symantec SMG.Heur!gen
ESET-NOD32 a variant of Win32/Injector.TXR
APEX Malicious
Paloalto generic.ml
ClamAV Win.Malware.Midie-9816731-0
Kaspersky Trojan.Win32.Agent.spvx
BitDefender Trojan.GenericKD.40672640
NANO-Antivirus Trojan.Win32.Agent.cscaqs
SUPERAntiSpyware Trojan.Agent/Gen-Zusy
Avast Win32:MBRlock-DV [Trj]
Tencent Malware.Win32.Gencirc.10b3b0d4
Ad-Aware Trojan.GenericKD.40672640
TACHYON Trojan/W32.DP-Agent.1198080
Sophos Mal/Generic-S
TrendMicro TROJ_GEN.R002C0OKM21
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Emsisoft Trojan.GenericKD.40672640 (B)
SentinelOne Static AI – Malicious PE
GData Trojan.GenericKD.40672640
Jiangmin Trojan/Agent.gbto
Avira TR/Inject.sbbeiuu
Antiy-AVL Trojan/Generic.ASBOL.C6B2
Gridinsoft Ransom.Win32.Sabsik.sa
ViRobot Trojan.Win32.A.Agent.1259520
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.R174319
Acronis suspicious
McAfee GenericR-FYS!18F66DC0E778
MAX malware (ai score=89)
VBA32 TScope.Trojan.Delf
Malwarebytes Trojan.MalPack.DLF
TrendMicro-HouseCall TROJ_GEN.R002C0OKM21
Rising Trojan.Injector!1.DA79 (CLASSIC)
Yandex Trojan.GenAsa!FITyXrvPyyU
Ikarus Trojan.Win32.Agent
Fortinet W32/Dropper.XUQ!tr
AVG Win32:MBRlock-DV [Trj]
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan.Dynamer.A4 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 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 Trojan.Dynamer.A4 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.Dynamer.A4 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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