Win32/Packed.Themida.HIG

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

What is Win32/Packed.Themida.HIG infection?

In this article you will certainly find regarding the meaning of Win32/Packed.Themida.HIG and also its adverse impact on your computer. Such ransomware are a kind of malware that is clarified by on-line frauds to require paying the ransom money by a sufferer.

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Most of the situations, Win32/Packed.Themida.HIG ransomware will instruct its targets to initiate funds move for the objective of counteracting the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

Win32/Packed.Themida.HIG Summary

These alterations 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.
  • Injection (inter-process);
  • 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;
  • 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.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Deletes its original binary from disk;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • The following process appear to have been packed with Themida: 4.exe, plugin.exe;
  • 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
  • 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;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard disk drive — so the victim can no longer make use of 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
lodddd01.info Win32/Trojan.Ransom.5e1
lodddd02.info Win32/Trojan.Ransom.5e1

Win32/Packed.Themida.HIG

One of the most normal channels through which Win32/Packed.Themida.HIG Ransomware are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of individual ending up on a source that hosts a destructive software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s PC or stop the tool from working in an appropriate fashion – while also positioning a ransom note that mentions the requirement for the targets to effect the repayment for the function of decrypting the files or recovering the file system back to the preliminary problem. In many instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has currently been harmed.

Win32/Packed.Themida.HIG distribution networks.

In different edges of the globe, Win32/Packed.Themida.HIG expands by jumps and also bounds. Nonetheless, the ransom notes and also methods of extorting the ransom money quantity may vary depending on particular local (regional) settings. The ransom money notes and also tricks of extorting the ransom money amount may differ depending on specific local (regional) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having detected some unlicensed applications allowed on the sufferer’s device. The sharp after that requires the customer to pay the ransom money.

    Faulty statements about unlawful web content.

    In countries where software program piracy is less popular, this approach is not as effective for the cyber frauds. Additionally, the Win32/Packed.Themida.HIG popup alert may incorrectly claim to be originating from a police organization as well as will certainly report having situated kid pornography or other illegal data on the gadget.

    Win32/Packed.Themida.HIG popup alert may falsely declare to be acquiring from a legislation enforcement establishment and will certainly report having situated kid porn or other unlawful information on the tool. The alert will likewise have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 7F56DEC2
md5: 8f8f4b297b3844b4ea6bc89d68266d43
name: 4.exe
sha1: be1c69cc0c60ba504ad5ef2e07b10d69c550f523
sha256: 0b1eecfa1c8022fbce8d67223cefbe1804378aa50b1795cb91dd1a028b8e0d9f
sha512: 58e7f4635ac24815c0adb91901e1161d1dfd2e29e12a4cda64d5f6280ae54a19a6434d2bd6d30faef0b278761d378874535870ddb61076882db664ec87a20a63
ssdeep: 24576:neMSyVlcYpss/EOT/SgQYhwrdNwoJ5/JHyt863Udc445D0+HpAWZm:RVlQscOX6rPLJ5dytFkdc44pu6m
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Packed.Themida.HIG also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.HfsAutoB.
McAfee Artemis!8F8F4B297B38
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 0040f4ef1 )
K7GW Trojan ( 0040f4ef1 )
Cybereason malicious.c0c60b
BitDefenderTheta Gen:NN.ZexaF.34090.UzWaauuOClp
F-Prot W32/S-1a32a0f0!Eldorado
APEX Malicious
Paloalto generic.ml
GData Win32.Trojan.Agent.EOFN5X
Kaspersky Trojan-Downloader.Win32.Buerak.bt
Alibaba Packed:Win32/Themida.535d3377
ViRobot Trojan.Win32.Z.Agent.1811456.J
AegisLab Trojan.Win32.Crusis.j!c
Avast Win32:PWSX-gen [Trj]
Rising [email protected] (RDML:xVG8MYt3EdY9aZFM8pLe6g)
Endgame malicious (high confidence)
Sophos Mal/Generic-S
F-Secure Trojan.TR/Crypt.TPM.Gen
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Trapmine malicious.high.ml.score
FireEye Generic.mg.8f8f4b297b3844b4
SentinelOne DFI – Malicious PE
Cyren W32/S-1a32a0f0!Eldorado
Avira TR/Crypt.TPM.Gen
Microsoft Trojan:Win32/Occamy.C
ZoneAlarm Trojan-Downloader.Win32.Buerak.bt
AhnLab-V3 Trojan/Win32.Agent.C3992668
Acronis suspicious
ESET-NOD32 a variant of Win32/Packed.Themida.HIG
Tencent Win32.Trojan.Agent.Eehz
Ikarus Trojan.Win32.Themida
eGambit Unsafe.AI_Score_99%
Webroot W32.Trojan.Gen
AVG Win32:PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.Ransom.5e1

How to remove Win32/Packed.Themida.HIG 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 Win32/Packed.Themida.HIG 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 Win32/Packed.Themida.HIG 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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