Trojan.Downloader.AHK.Themida

What is Trojan.Downloader.AHK.Themida infection?

In this post you will find regarding the definition of Trojan.Downloader.AHK.Themida as well as its adverse effect on your computer system. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom by a sufferer.

Most of the cases, Trojan.Downloader.AHK.Themida ransomware will certainly instruct its targets to start funds move for the purpose of reducing the effects of the changes that the Trojan infection has actually introduced to the victim’s device.

Trojan.Downloader.AHK.Themida Summary

These modifications can be as adheres to:

  • 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.
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Checks for the presence of known windows from debuggers and forensic tools;
  • The following process appear to have been packed with Themida: marg.exe;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Detects the presence of Wine emulator via registry key;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a registry key;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard disk drive — so the sufferer can no longer use the data;
  • Preventing regular access to the victim’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
jload04.info BehavesLike.Win32.Ransom.vc

Trojan.Downloader.AHK.Themida

One of the most common networks whereby Trojan.Downloader.AHK.Themida Ransomware are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user winding up on a source that holds a harmful software application;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the target’s PC or protect against the tool from functioning in a proper manner – while also placing a ransom money note that points out the requirement for the victims to impact the payment for the objective of decrypting the files or bring back the data system back to the first condition. In a lot of instances, the ransom money note will certainly turn up when the customer reboots the COMPUTER after the system has actually already been damaged.

Trojan.Downloader.AHK.Themida distribution channels.

In different corners of the globe, Trojan.Downloader.AHK.Themida grows by jumps and bounds. However, the ransom money notes and also methods of extorting the ransom amount might vary depending upon specific local (regional) settings. The ransom notes and also tricks of obtaining the ransom quantity may differ depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software application.

    In certain areas, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the victim’s device. The alert after that demands the individual to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In countries where software piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Conversely, the Trojan.Downloader.AHK.Themida popup alert may falsely declare to be stemming from a law enforcement establishment as well as will report having situated child porn or other illegal data on the gadget.

    Trojan.Downloader.AHK.Themida popup alert might wrongly declare to be deriving from a legislation enforcement institution and also will report having situated kid porn or other illegal data on the device. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 82DFEEC1md5: 990b4d168997fda50171d2db7c67a423name: marg.exesha1: a682ddeb4dc64c9f3bc1e58575b7fa510c689ce4sha256: 2bbf1a958efb4839f88cdabc6486df1f117ee81c6cd26675e06b6e4bf443e149sha512: f3acd8094cd6bc23347c18acfb6a8cba2f34303898645c57cfcdcdb9d0173efef330732810abd313335adba93b883d578e45e9c15ce81cf7d86c2a8dba37ed96ssdeep: 49152:577zIq8PUNAgek+uNbJDE8Pm6D8nQZ7ogvD/u01B9JirbZWpt:17zmPUNCkNbxXuM8nQ7tT1B9wPZtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: InternalName: FileVersion: 1.1.30.00ProductName: ProductVersion: 1.1.30.00FileDescription: OriginalFilename: Translation: 0x0409 0x04b0

Trojan.Downloader.AHK.Themida also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.ThemidaPTN.Trojan
DrWeb Trojan.Siggen9.15953
FireEye Generic.mg.990b4d168997fda5
McAfee Artemis!990B4D168997
Cylance Unsafe
AegisLab Trojan.Win32.Dapato.b!c
K7AntiVirus Trojan ( 00559ab31 )
K7GW Trojan ( 00559ab31 )
Cybereason malicious.b4dc64
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:Malware-gen
GData Win32.Trojan.Ilgergop.K0YV1O
Kaspersky HEUR:Trojan-Dropper.Win32.Dapato.vho
Alibaba Packed:Win32/Themida.df0ef86a
NANO-Antivirus Trojan.Win32.Dapato.hcznex
Tencent Win32.Trojan.Agent.Hryp
Sophos Mal/Generic-S
Comodo Malware@#1quysxhr3gxbx
F-Secure Heuristic.HEUR/AGEN.1038489
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Ransom.vc
Ikarus Trojan-Downloader.Win32.Autohk
Cyren W32/Trojan.MKCW-3311
MaxSecure Trojan.Malware.300983.susgen
Avira HEUR/AGEN.1038489
Endgame malicious (high confidence)
ZoneAlarm HEUR:Trojan-Dropper.Win32.Dapato.vho
Microsoft Trojan:Win32/Occamy.C
Acronis suspicious
Malwarebytes Trojan.Downloader.AHK.Themida
ESET-NOD32 a variant of Win32/Packed.Themida.GZV
TrendMicro-HouseCall TROJ_GEN.R002H07BR20
Rising Dropper.Dapato!8.2A2 (CLOUD)
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Themida.ASK!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.Dropper.fba

How to remove Trojan.Downloader.AHK.Themida 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

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

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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