Written by Robert Bailey

What is Trojan.MalPack.Themida infection?

In this short article you will certainly discover regarding the meaning of Trojan.MalPack.Themida and its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to demand paying the ransom by a victim.

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Most of the cases, Trojan.MalPack.Themida virus will instruct its sufferers to launch funds move for the objective of neutralizing the changes that the Trojan infection has introduced to the target’s gadget.

Trojan.MalPack.Themida Summary

These modifications 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.
  • Presents an Authenticode digital signature;
  • 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;
  • Performs some HTTP requests;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • 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 documents found on the target’s hard drive — so the sufferer can no more make use of the data;
  • Preventing routine accessibility to the sufferer’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 Trojan-Ransom.Win32.Agent.azfs
r1— Trojan-Ransom.Win32.Agent.azfs


One of the most typical channels where Trojan.MalPack.Themida Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a resource that organizes a malicious software application;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the target’s PC or prevent the device from working in a correct fashion – while also positioning a ransom note that states the need for the victims to effect the settlement for the function of decrypting the documents or restoring the data system back to the first problem. In a lot of instances, the ransom money note will certainly show up when the client reboots the PC after the system has currently been damaged.

Trojan.MalPack.Themida circulation channels.

In numerous edges of the world, Trojan.MalPack.Themida grows by jumps as well as bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom money quantity might vary depending upon certain regional (regional) settings. The ransom money notes and techniques of obtaining the ransom money amount may vary depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s gadget. The alert after that requires the customer to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In countries where software piracy is much less preferred, this method is not as reliable for the cyber frauds. Additionally, the Trojan.MalPack.Themida popup alert may wrongly declare to be originating from a police establishment and will certainly report having located child pornography or various other illegal information on the gadget.

    Trojan.MalPack.Themida popup alert may wrongly claim to be obtaining from a legislation enforcement organization and will certainly report having situated youngster porn or various other illegal data on the tool. The alert will likewise contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: F0D0A4A6
md5: 3e05cdc35f300de783fcb3dcd71e4970
name: 3E05CDC35F300DE783FCB3DCD71E4970.mlw
sha1: abfc51fe7bc93d12d0d163b1f7fecae0a6a8e52e
sha256: adc220109f73acdd307036a6d14bffa68103a48e2305c3a4f1533aab74d9deb8
sha512: fff156d64fcd720d2d27b3e53dccb9fb817775b11b04eae44e41bb266112f3655ced03ef3e6037748155bdd02b6d749eda778e92eb66a9362546513c48ce4775
ssdeep: 98304:ocHxAWpnC6vMjoGDn8d1LqiYErL63aTrmOjaL8SIOv9r:TiWpogdVg9l
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Microsoft Corporation.All rights reserved.
FileVersion: 10.0.18362.1
CompanyName: Microsoft Corp
Comments: Service Host, or SvcHost is a system process that can host from one to many Windows services in the Windows NT family of operating systems. Svchost is essential in the implementation of so-called shared service processes, where a number of services can share a process in order to reduce resource consumption. This program is important for the stable and secure running of your computer and should not be terminated.
ProductName: Microsoft Windows Operating System
ProductVersion: 10.0.18362.1
FileDescription: Microsoft Windows Operating System
Translation: 0x0804 0x04b0

Trojan.MalPack.Themida also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.35873483
McAfee Artemis!3E05CDC35F30
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKD.35873483
K7GW Trojan ( 0055bc761 )
K7AntiVirus Trojan ( 0055bc761 )
Arcabit Trojan.Generic.D22362CB
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.Win32.Agent.azfs
Alibaba Ransom:Win32/Themida.5fe16e20
AegisLab Trojan.Win32.Agent.j!c
Ad-Aware Trojan.GenericKD.35873483
Emsisoft Trojan.GenericKD.35873483 (B)
Comodo TrojWare.Win32.Agent.OSCF@5rs7jr
DrWeb Trojan.Packed.193
McAfee-GW-Edition Artemis!Trojan
Sophos Mal/Generic-S
Ikarus Trojan.Kasidet
MAX malware (ai score=100)
Kingsoft Win32.Troj.Generic.a.(kcloud)
Gridinsoft Trojan.Win32.Packed.oa
Microsoft Trojan:Win32/CryptInject!ml
ZoneAlarm Trojan-Ransom.Win32.Agent.azfs
GData Win32.Trojan.Agent.P32KUK
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Filecoder
TACHYON Ransom/W32.16x.4633408
VBA32 TScope.Malware-Cryptor.SB
Malwarebytes Trojan.MalPack.Themida
ESET-NOD32 a variant of Win32/Packed.Themida.HFL
eGambit PE.Heur.InvalidSig
Fortinet W32/PossibleThreat
BitDefenderTheta Gen:NN.ZexaF.34700.@x2@a4Slskab
AVG Win32:Trojan-gen
Cybereason malicious.e7bc93
Qihoo-360 Trojan.Generic

How to remove Trojan.MalPack.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

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 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.MalPack.Themida 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.MalPack.Themida you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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