Packed.Win32.Mentiger

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

What is Packed.Win32.Mentiger infection?

In this article you will certainly discover about the meaning of Packed.Win32.Mentiger and its negative influence on your computer system. Such ransomware are a type of malware that is elaborated by online scams to demand paying the ransom by a sufferer.

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In the majority of the cases, Packed.Win32.Mentiger virus will certainly advise its sufferers to start funds move for the function of reducing the effects of the changes that the Trojan infection has presented to the sufferer’s tool.

Packed.Win32.Mentiger 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.
  • Enumerates user accounts on the system;
  • 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.;
  • 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.
  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Mimics the file times of a Windows system file;
  • 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
  • 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.
  • Attempts to identify installed AV products by installation directory;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the target’s hard disk — so the target can no more make use of the data;
  • Preventing normal access 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.

Packed.Win32.Mentiger

The most typical channels where Packed.Win32.Mentiger Ransomware are injected are:

  • By ways of phishing emails;
  • As a repercussion of customer ending up on a resource that holds a malicious software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the sufferer’s computer or avoid the tool from operating in an appropriate way – while likewise placing a ransom note that states the demand for the victims to impact the settlement for the purpose of decrypting the papers or recovering the file system back to the initial condition. In many instances, the ransom note will certainly come up when the client restarts the COMPUTER after the system has actually currently been damaged.

Packed.Win32.Mentiger distribution channels.

In different corners of the world, Packed.Win32.Mentiger expands by jumps and also bounds. Nonetheless, the ransom notes as well as techniques of obtaining the ransom money amount might differ depending on certain regional (regional) settings. The ransom money notes and techniques of obtaining the ransom amount might differ depending on particular local (regional) settings.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications allowed on the victim’s tool. The alert then demands the individual to pay the ransom.

    Faulty declarations concerning prohibited material.

    In nations where software application piracy is less preferred, this approach is not as efficient for the cyber fraudulences. Additionally, the Packed.Win32.Mentiger popup alert might falsely declare to be originating from a law enforcement institution and will certainly report having situated child porn or various other unlawful data on the tool.

    Packed.Win32.Mentiger popup alert might falsely assert to be obtaining from a regulation enforcement organization and also will certainly report having situated kid porn or other unlawful information on the device. The alert will in a similar way have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 0DF14C98
md5: a942435a907dbfb3683167943df352e0
name: A942435A907DBFB3683167943DF352E0.mlw
sha1: 72e941e19153529d21883b21cae169b301599116
sha256: ff2060eff908251cf85b252f849207be696bbbf4edbed4aa5a9deb34d59f7b4b
sha512: c02315a3563d362633e387eae03217a949ee8678e7649c36191340ced8edb1069f8b4f3a575e8cb2bd090a93088fa6add5b9bfa89715bffde8a0cce0f75f095e
ssdeep: 3072:zVsiBm07rImxGSTpXssnSJG+ZYd2795JOfzruiD0jxMF5G5a7nXbzDTSk3LvAS6A:zZ0vqGsssSR9uBDQe5GMPSk7uz8
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2008-2011 x41ex41ex41e x42fx43dx434x435x43ax441
InternalName: Punto Switcher Unloader
FileVersion: 3.2.3.51
CompanyName: x41e x41ex41e x42fx43dx434x435x43ax441
LegalTrademarks: Punto Switcher
Comments: x412x44bx433x440x443x437x447x438x43a Punto Switcher
ProductName: Punto Switcher
ProductVersion: 3.2.3.51
FileDescription: x412x44bx433x440x443x437x447x438x43a Punto Switcher
OriginalFilename: puntounloader.exe
Translation: 0x0419 0x04b0

Packed.Win32.Mentiger also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005224381 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4939
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Cerber.G4
ALYac Trojan.Ransom.Cerber.1
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.3048
Sangfor Ransom.Win32.Cerber_38.se
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Cerber.9495ea9a
K7GW Trojan ( 004fc1e41 )
Cybereason malicious.a907db
Baidu Win32.Trojan.Kryptik.anp
Cyren W32/Cerber.F.gen!Eldorado
Symantec Packed.Generic.459
ESET-NOD32 Win32/Filecoder.Cerber.B
APEX Malicious
Avast Win32:Filecoder-BG [Trj]
ClamAV Win.Ransomware.Cerber-6931819-0
Kaspersky HEUR:Packed.Win32.Mentiger.gen
BitDefender Trojan.Ransom.Cerber.1
NANO-Antivirus Trojan.Win32.Mentiger.evdfee
MicroWorld-eScan Trojan.Ransom.Cerber.1
Tencent Malware.Win32.Gencirc.10b558e2
Ad-Aware Trojan.Ransom.Cerber.1
Sophos ML/PE-A + Mal/Cerber-B
Comodo TrojWare.Win32.Kryptik.ERJ@6l0vie
BitDefenderTheta Gen:NN.ZexaF.34608.Aq1@aSBDEIgk
VIPRE Trojan.Win32.Reveton.a (v)
TrendMicro Ransom_HPCERBER.SM2
McAfee-GW-Edition BehavesLike.Win32.Ransomware.gh
FireEye Generic.mg.a942435a907dbfb3
Emsisoft Trojan.Ransom.Cerber.1 (B)
Avira HEUR/AGEN.1124969
Arcabit Trojan.Ransom.Cerber.1
AegisLab Hacktool.Win32.Generic.x!c
ZoneAlarm HEUR:Packed.Win32.Mentiger.gen
GData Trojan.Ransom.Cerber.1
AhnLab-V3 Win-Trojan/Cerber.Gen
Acronis suspicious
McAfee PUP-XAE-OG
MAX malware (ai score=100)
VBA32 BScope.Trojan.Tiggre
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_HPCERBER.SM2
Rising Trojan.Kryptik!1.AF0E (CLASSIC)
Yandex Trojan.GenAsa!4POhZNXQmrk
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.HCAW!tr
AVG Win32:Filecoder-BG [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cerber.HxQBgVAA

How to remove Packed.Win32.Mentiger virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Packed.Win32.Mentiger 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 Packed.Win32.Mentiger 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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