Trojan:Win32/Mokes.PVA!MTB

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

What is Trojan:Win32/Mokes.PVA!MTB infection?

In this post you will find concerning the definition of Trojan:Win32/Mokes.PVA!MTB and also its unfavorable influence on your computer system. Such ransomware are a type of malware that is elaborated by online frauds to demand paying the ransom by a sufferer.

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In the majority of the situations, Trojan:Win32/Mokes.PVA!MTB infection will certainly advise its victims to launch funds move for the objective of counteracting the modifications that the Trojan infection has actually presented to the sufferer’s device.

Trojan:Win32/Mokes.PVA!MTB 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.
  • 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.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.

  • Unconventionial language used in binary resources: Danish;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents found on the victim’s hard disk drive — so the target can no more use the data;
  • Preventing normal accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Mokes.PVA!MTB

One of the most typical networks through which Trojan:Win32/Mokes.PVA!MTB Ransomware are infused are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a source that hosts a malicious software application;

As quickly as the Trojan is successfully injected, it will either cipher the information on the target’s computer or protect against the gadget from working in a proper way – while additionally positioning a ransom money note that mentions the demand for the victims to effect the payment for the purpose of decrypting the records or restoring the data system back to the first condition. In many circumstances, the ransom money note will show up when the client reboots the PC after the system has actually already been harmed.

Trojan:Win32/Mokes.PVA!MTB distribution channels.

In various corners of the world, Trojan:Win32/Mokes.PVA!MTB grows by jumps as well as bounds. Nevertheless, the ransom money notes and also methods of obtaining the ransom amount may differ relying on particular local (regional) setups. The ransom notes as well as methods of obtaining the ransom amount may differ depending on particular neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

    In particular locations, the Trojans often wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s gadget. The alert after that requires the user to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In countries where software piracy is much less prominent, this approach is not as efficient for the cyber scams. Additionally, the Trojan:Win32/Mokes.PVA!MTB popup alert might falsely claim to be originating from a law enforcement organization and also will report having located youngster pornography or various other illegal information on the gadget.

    Trojan:Win32/Mokes.PVA!MTB popup alert might incorrectly claim to be deriving from a regulation enforcement organization as well as will report having situated kid pornography or various other unlawful data on the device. The alert will in a similar way include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: E6A7F893
md5: ade8387cbf2ac65ae04a57ef8525c529
name: ADE8387CBF2AC65AE04A57EF8525C529.mlw
sha1: 6bce043493f32730d821a4cdd115af49705d0f17
sha256: 5f631b35c0300d2eb9b199fdb9b29b46dc42aec1b8137327e8cd1b276da49614
sha512: 7a891b828c2e72b84350e9e24cf479a9cf761781ea4d2d3153a1e1e7686d2cdb015b0ebaeaeb1702f671f386486cee94af943588211a56a77dcc5d4f3e4f3b00
ssdeep: 3072:QYLOBoY7qyRp8SJSivntWQ/FBN8FbNVtzJEQQPzhbx/GA4krFU5y:QYcoYvKSJLntvr0xlEQkJD4kxU5y
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x3245 0xa910

Trojan:Win32/Mokes.PVA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Mint.Jamg.C
FireEye Generic.mg.ade8387cbf2ac65a
CAT-QuickHeal Trojan.Chapak.ZZ6
McAfee GenericRXGA-TN!ADE8387CBF2A
Cylance Unsafe
AegisLab Trojan.Win32.Generic.4!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005364b61 )
BitDefender Trojan.Mint.Jamg.C
K7GW Trojan ( 005364b61 )
Cybereason malicious.cbf2ac
BitDefenderTheta Gen:NN.ZexaF.34590.nuW@aKxcBCfG
Cyren W32/Ransom.KH.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GIJM
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packer.Crypter-6614720-1
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Mokes.96947cf0
NANO-Antivirus Trojan.Win32.Panda.ferlyf
ViRobot Trojan.Win32.GandCrab.210432
Tencent Malware.Win32.Gencirc.114cf44e
Ad-Aware Trojan.Mint.Jamg.C
Emsisoft Trojan.Mint.Jamg.C (B)
Comodo TrojWare.Win32.Ransom.GandCrab.GR@826oxk
F-Secure Heuristic.HEUR/AGEN.1121566
DrWeb Trojan.PWS.Panda.13229
Zillya Trojan.Chapak.Win32.7006
TrendMicro TSPY_EMOTET.SMB1
McAfee-GW-Edition BehavesLike.Win32.Trojan.dc
Sophos Mal/Generic-R + Mal/GandCrab-B
Ikarus Trojan.Win32.Crypt
Jiangmin Trojan.Chapak.lh
Avira HEUR/AGEN.1121566
MAX malware (ai score=100)
Antiy-AVL Trojan[PSW]/Win32.Coins
Microsoft Trojan:Win32/Mokes.PVA!MTB
Arcabit Trojan.Mint.Jamg.C
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
AhnLab-V3 Win-Trojan/Gandcrab02.Exp
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Mint.Jamg.C
Cynet Malicious (score: 100)
Acronis suspicious
VBA32 BScope.Backdoor.Mokes
ALYac Trojan.Mint.Jamg.C
Malwarebytes Malware.AI.1770309296
Panda Trj/Genetic.gen
TrendMicro-HouseCall TSPY_EMOTET.SMB1
Rising Malware.Obscure!1.A3BB (CLOUD)
Yandex Trojan.Chapak!fwY8dQyHQeY
SentinelOne Static AI – Malicious PE
Fortinet W32/GandCrypt.CHU!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.116

How to remove Trojan:Win32/Mokes.PVA!MTB ransomware?

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 Trojan:Win32/Mokes.PVA!MTB 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:Win32/Mokes.PVA!MTB 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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