Trojan:Win32/Dynamer!ac

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

What is Trojan:Win32/Dynamer!ac infection?

In this short article you will certainly locate concerning the definition of Trojan:Win32/Dynamer!ac and also its unfavorable impact on your computer. Such ransomware are a kind of malware that is elaborated by on-line scams to require paying the ransom by a target.

Most of the instances, Trojan:Win32/Dynamer!ac ransomware will advise its victims to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the target’s tool.

Robert Bailey
Robert Bailey
IT Security Expert
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer's work, the proverb "Forewarned is forearmed" describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Trojan:Win32/Dynamer!ac Summary

These adjustments 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.
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • 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
  • Ciphering the records located on the victim’s hard drive — so the sufferer can no more utilize the information;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains
khalilhackerdz.ddns.netWin32/Trojan.Ransom.d5c

Trojan:Win32/Dynamer!ac

The most typical channels through which Trojan:Win32/Dynamer!ac Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a source that hosts a destructive software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the sufferer’s PC or prevent the tool from operating correctly – while additionally placing a ransom note that states the demand for the victims to affect the repayment for the objective of decrypting the documents or recovering the data system back to the preliminary condition. In most instances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has actually currently been damaged.

Trojan:Win32/Dynamer!ac circulation networks.

In various corners of the world, Trojan:Win32/Dynamer!ac expands by leaps and bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom amount might differ relying on certain local (regional) settings. The ransom money notes and methods of extorting the ransom money amount might vary depending on particular regional (regional) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In particular locations, the Trojans often wrongfully report having actually spotted some unlicensed applications made it possible for on the target’s device. The sharp after that requires the user to pay the ransom.

    Faulty statements regarding unlawful web content.

    In nations where software program piracy is less prominent, this approach is not as efficient for the cyber scams. Additionally, the Trojan:Win32/Dynamer!ac popup alert may wrongly assert to be originating from a law enforcement organization and also will report having located child porn or various other illegal information on the device.

    Trojan:Win32/Dynamer!ac popup alert may wrongly declare to be obtaining from a law enforcement organization as well as will certainly report having located child porn or other illegal data on the tool. The alert will likewise contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 153FE242
md5: d32c4f31c4acb15bf7c37b3bedb75ce2
name: D32C4F31C4ACB15BF7C37B3BEDB75CE2.mlw
sha1: 400444e05f029b3daf4921ffbe1e3c449f6c5004
sha256: dcb91c17fef6c8208ed6822affc3130f3ab91d1dc1f23e61bbc291fdef99c6b4
sha512: f8168f3aa1f9052904c7cba58c7119029043db2ccf831c2bc336f218bfa25b839b9441dfaebdcf3992fa403ca9a1c89bcc623076930093dddb4368e74e6a561b
ssdeep: 6144:NwVrZbiGi9z2WKZYQ10WHZB/YRTrweRMs:CriJ2eQuIYR43
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Dynamer!ac also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
DrWebTrojan.DownLoader22.2975
MicroWorld-eScanGen:Variant.Ursu.403208
FireEyeGeneric.mg.d32c4f31c4acb15b
McAfeeGeneric.adz
CylanceUnsafe
VIPRETrojan-Dropper.MSIL.Agent.ko (v)
K7AntiVirusTrojan ( 004b8fa81 )
BitDefenderGen:Variant.Ursu.403208
K7GWTrojan ( 004b8fa81 )
Cybereasonmalicious.1c4acb
BitDefenderThetaGen:NN.ZemsilF.34804.rmW@a4Cb0dh
SymantecML.Attribute.HighConfidence
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Malware.Zusy-6866357-0
KasperskyHEUR:Trojan.MSIL.Crypt.gen
NANO-AntivirusTrojan.Win32.Dwn.eenyva
Ad-AwareGen:Variant.Ursu.403208
EmsisoftGen:Variant.Ursu.403208 (B)
ComodoMalware@#3i00dtinszkwo
F-SecureTrojan.TR/Dropper.MSIL.Gen
ZillyaTrojan.Blocker.Win32.35378
McAfee-GW-EditionBehavesLike.Win32.Generic.dh
SophosMal/Generic-S
IkarusTrojan.MSIL.Bladabindi
JiangminTrojan.Generic.adqdb
AviraTR/Dropper.MSIL.Gen
Antiy-AVLTrojan/Win32.AGeneric
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Dynamer!ac
ArcabitTrojan.Ursu.D62708
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.Ursu.403208
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Korat.Exp
Acronissuspicious
VBA32Hoax.Blocker
ALYacGen:Variant.Ursu.403208
MAXmalware (ai score=89)
PandaTrj/GdSda.A
ESET-NOD32a variant of MSIL/Bladabindi.AY
RisingBackdoor.Bladabindi!8.B1F (TFE:C:LvBcn7sUzCR)
YandexTrojan.Blocker!2iVXEEuVnXQ
SentinelOneStatic AI – Malicious PE
WebrootPua.Gen
AVGWin32:Malware-gen
AvastWin32:Malware-gen
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Ransom.d5c

How to remove Trojan:Win32/Dynamer!ac ransomware?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When the 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/Dynamer!ac files and other malicious programs. This process can take 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 the 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 offers real-time protection for the first 2 days. If you want to be fully protected at all times – I can recommend 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 Trojan:Win32/Dynamer!ac, you can always ask me in the comments to get 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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