Win32/Packed.Enigma.N

What is Win32/Packed.Enigma.N infection?

In this post you will find concerning the meaning of Win32/Packed.Enigma.N as well as its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom by a victim.

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In the majority of the instances, Win32/Packed.Enigma.N virus will advise its sufferers to start funds transfer for the function of neutralizing the amendments that the Trojan infection has introduced to the target’s device.

Win32/Packed.Enigma.N 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • A process attempted to delay the analysis task.;
  • 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.
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Executed a process and injected code into it, probably while unpacking;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Exhibits behavior characteristic of Locky ransomware;
  • 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
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the target’s hard disk drive — so the sufferer can no more make use of the information;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Packed.Enigma.N

One of the most normal channels whereby Win32/Packed.Enigma.N Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of user winding up on a source that holds a malicious software application;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or avoid the tool from operating in a correct way – while also putting a ransom note that states the demand for the targets to impact the repayment for the purpose of decrypting the papers or restoring the file system back to the first condition. In the majority of instances, the ransom money note will come up when the client restarts the PC after the system has currently been harmed.

Win32/Packed.Enigma.N distribution networks.

In numerous corners of the world, Win32/Packed.Enigma.N expands by leaps as well as bounds. Nevertheless, the ransom notes and tricks of extorting the ransom amount might differ depending on certain local (regional) settings. The ransom money notes as well as methods of obtaining the ransom quantity might differ depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty signals about unlicensed software.

    In particular areas, the Trojans usually wrongfully report having discovered some unlicensed applications made it possible for on the target’s device. The sharp then demands the customer to pay the ransom money.

    Faulty statements concerning unlawful material.

    In countries where software program piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Additionally, the Win32/Packed.Enigma.N popup alert might falsely assert to be stemming from a law enforcement establishment and also will report having located kid pornography or various other illegal data on the tool.

    Win32/Packed.Enigma.N popup alert might incorrectly declare to be deriving from a law enforcement organization and will report having situated child porn or various other prohibited data on the gadget. The alert will similarly consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 10EAED04
md5: d494b4e1efc70415a104e43e29c34016
name: D494B4E1EFC70415A104E43E29C34016.mlw
sha1: 083e9610cb54cda62e379b01f8bef013272f57d0
sha256: 89b567b07a6d02e647cbad07d01ecb723dedd8095a84c8080ecf6f8c2b6ace09
sha512: dcf4917243ebec055f9d6e08609f9e217212d107a3e4272c143d024e32605aebe05a71b41a105472768232f03a4b7e6212a90d258e2d81d0f1d411104b19d8f7
ssdeep: 24576:yrRUi8rCHx+UMEcmdDebQcmfnJ3IuSMwK6sz2LKXB8R5lsN3pqANMTUr7zAnBr:6UDWAUMqwbQ7nJ3IwF64LBG5ls1MTUD
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 0.0.0.0
InternalName: w.exe
FileVersion: 0.0.0.0
ProductVersion: 0.0.0.0
FileDescription:
OriginalFilename: w.exe

Win32/Packed.Enigma.N also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.3976
ClamAV Win.Ransomware.Locky-5880884-0
Cylance Unsafe
Zillya Trojan.Locky.Win32.2490
Sangfor Trojan.Win32.Ransom-Locky.8
CrowdStrike win/malicious_confidence_80% (D)
K7GW Trojan ( 00502b341 )
K7AntiVirus Trojan ( 00502b341 )
Cyren W32/Trojan.CFBD-5917
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Enigma.N
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Locky.xcj
NANO-Antivirus Trojan.Win32.GenericKD.ekqulk
Tencent Win32.Trojan.Locky.Wrge
Sophos Mal/Generic-S
Comodo Malware@#2tryr8kgkrs4p
BitDefenderTheta Gen:NN.ZexaF.34670.ED0@aG5aHbe
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.tc
FireEye Generic.mg.d494b4e1efc70415
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Locky.ddu
Avira TR/Dropper.MSIL.Gen
Antiy-AVL GrayWare/Win32.EnigmaProtect.a
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:Win32/Locky.A
TACHYON Ransom/W32.Locky.1555968
Acronis suspicious
McAfee Artemis!D494B4E1EFC7
MAX malware (ai score=100)
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_LOCKY.F117AJ
Rising Trojan.Ransom-Locky!8.4655 (CLOUD)
Yandex Trojan.Locky!SEKubEM8hrM
Ikarus Trojan.Win32.Inject
Fortinet Generik.LUIVROW!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Locky.HgAASRUA

How to remove Win32/Packed.Enigma.N 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

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

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.Enigma.N 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.Enigma.N 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/products/

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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