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The Daily Insight

Trojan.Dynamer.A4

Author

Emily Beck

Updated on March 14, 2026

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.

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-netRansom.Win32.Sabsik.sa
youetube.zapto.orgRansom.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.mlwpath: /opt/CAPEv2/storage/binaries/26affd172850fef7cb052c2941228721938bf666abbd5d2d729e2197d6963eb5crc32: 7299144Bmd5: 18f66dc0e778d9c93ff49664ad618d1asha1: d6c0292247cc76ba725e2db1993e710158d9cc00sha256: 26affd172850fef7cb052c2941228721938bf666abbd5d2d729e2197d6963eb5sha512: 2a720b15e85ba659ae0b2497a15eaca8b92c97f931e6107ed3ab1bd268de3cc97c327c5679d149f509e1b9bd35ef2e23082db531449c10c864bad7d438e3626dssdeep: 24576:WZgKN5qdQokz0A1bPZcrtosfNNY3sSExHMCP:WZgvuokzV1Fcr9fNNlstype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1B245E126F6D0C537C1736E38CC5BE2589C25BEE02D2425477BE96E8D8F397813426297sha3_384: 872f0873001dda77931ba3c16133a705988ba29b8a69d14936123747f1c9faeec23b81a9e3b273da3b7c90b3c80aaf4dep_bytes: 558becb9280000006a006a004975f953timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Trojan.Dynamer.A4 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
LionicTrojan.Win32.Agent.top9
Elasticmalicious (high confidence)
DrWebTrojan.Inject1.5890
MicroWorld-eScanTrojan.GenericKD.40672640
FireEyeGeneric.mg.18f66dc0e778d9c9
CAT-QuickHealTrojan.Dynamer.A4
ALYacTrojan.GenericKD.40672640
CylanceUnsafe
ZillyaTrojan.Agent.Win32.2589451
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005896cb1 )
AlibabaTrojan:Win32/Starter.ali1001008
K7GWTrojan ( 005896cb1 )
Cybereasonmalicious.0e778d
BitDefenderThetaAI:Packer.68042D5919
CyrenW32/Agent.AKD.gen!Eldorado
SymantecSMG.Heur!gen
ESET-NOD32a variant of Win32/Injector.TXR
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Malware.Midie-9816731-0
KasperskyTrojan.Win32.Agent.spvx
BitDefenderTrojan.GenericKD.40672640
NANO-AntivirusTrojan.Win32.Agent.cscaqs
SUPERAntiSpyware
AvastWin32:MBRlock-DV [Trj]
TencentMalware.Win32.Gencirc.10b3b0d4
Ad-AwareTrojan.GenericKD.40672640
TACHYONTrojan/W32.DP-Agent.1198080
SophosMal/Generic-S
TrendMicroTROJ_GEN.R002C0OKM21
McAfee-GW-EditionBehavesLike.Win32.Generic.tc
EmsisoftTrojan.GenericKD.40672640 (B)
SentinelOneStatic AI – Malicious PE
GDataTrojan.GenericKD.40672640
JiangminTrojan/Agent.gbto
AviraTR/Inject.sbbeiuu
Antiy-AVLTrojan/Generic.ASBOL.C6B2
GridinsoftRansom.Win32.Sabsik.sa
ViRobotTrojan.Win32.A.Agent.1259520
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Agent.R174319
Acronissuspicious
McAfeeGenericR-FYS!18F66DC0E778
MAXmalware (ai score=89)
VBA32TScope.Trojan.Delf
MalwarebytesTrojan.MalPack.DLF
TrendMicro-HouseCallTROJ_GEN.R002C0OKM21
RisingTrojan.Injector!1.DA79 (CLASSIC)
YandexTrojan.GenAsa!FITyXrvPyyU
IkarusTrojan.Win32.Agent
FortinetW32/Dropper.XUQ!tr
AVGWin32:MBRlock-DV [Trj]
PandaTrj/CI.A
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan.Dynamer.A4 virus?

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.

Download GridinSoft Anti-Malware.

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

Download GridinSoft Anti-Malware

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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan.Dynamer.A4 you can always ask me in the comments for getting help.

References

  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products: