Trojan:Win32/Zenpak.MR!MTB

Written by Robert Bailey

What is Trojan:Win32/Zenpak.MR!MTB infection?

In this post you will certainly find concerning the interpretation of Trojan:Win32/Zenpak.MR!MTB and also its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a sufferer.

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Most of the cases, Trojan:Win32/Zenpak.MR!MTB infection will certainly advise its sufferers to start funds move for the function of counteracting the changes that the Trojan infection has presented to the victim’s tool.

Trojan:Win32/Zenpak.MR!MTB Summary

These modifications can be as complies with:

  • 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.
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 records situated on the victim’s hard disk drive — so the target can no more utilize the data;
  • Preventing routine access 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.
Similar behavior
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Trojan:Win32/Zenpak.MR!MTB

The most normal networks whereby Trojan:Win32/Zenpak.MR!MTB Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of user ending up on a source that organizes a harmful software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or avoid the device from working in an appropriate way – while likewise putting a ransom money note that mentions the requirement for the sufferers to effect the settlement for the purpose of decrypting the documents or recovering the data system back to the first condition. In the majority of instances, the ransom note will show up when the client reboots the PC after the system has already been harmed.

Trojan:Win32/Zenpak.MR!MTB distribution networks.

In various edges of the world, Trojan:Win32/Zenpak.MR!MTB grows by jumps and bounds. Nonetheless, the ransom notes and tricks of extorting the ransom money amount might vary relying on certain local (local) settings. The ransom money notes as well as techniques of obtaining the ransom amount may differ depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software application.

    In particular areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty declarations regarding prohibited material.

    In countries where software piracy is less popular, this method is not as efficient for the cyber fraudulences. Additionally, the Trojan:Win32/Zenpak.MR!MTB popup alert may wrongly declare to be stemming from a law enforcement organization and will report having situated youngster porn or various other illegal data on the tool.

    Trojan:Win32/Zenpak.MR!MTB popup alert may falsely assert to be deriving from a regulation enforcement organization and also will report having situated child porn or various other illegal information on the device. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 7B724F63
md5: 2729aaa8283019195acd4b1d04d1ac3b
name: license.exe
sha1: a116aac7170a1d0eb9674663e2d411f63905212f
sha256: d51bba9d7915296c0736f148aee5eca741b9823bae148ccd9c343590c1cfcd0b
sha512: 81ed16132dfdb91e79b02c1fc02a2f202c7bb294c0442249e72b5dd0aa73b0ab9f9087cb272040c4f9f159e91aa01149be895e819059931bebbd260d52f2ee4d
ssdeep: 24576:Cn30OzRUOY5rXL3twL9bnw6O4KSEuLWStL8ArEyUI5LgEu3GQqwTZn:CnEk+rXL0w6O4KSEZsQArEy3furN
type: PE32 executable (GUI) Intel 80386 system file, for MS Windows

Version Info:

Translation: 0x0119 0x04e4

Trojan:Win32/Zenpak.MR!MTB also known as:

GridinSoftTrojan.Ransom.Gen
BkavHW32.Packed.
MicroWorld-eScanTrojan.GenericKD.32826262
McAfeeTrojan-FRUI!2729AAA82830
MalwarebytesTrojan.MalPack.GS
ZillyaTrojan.Zenpak.Win32.1462
AegisLabTrojan.Win32.Zenpak.trbJ
SangforMalware
K7AntiVirusTrojan ( 0055d9151 )
BitDefenderTrojan.GenericKD.32826262
K7GWTrojan ( 0055d9151 )
TrendMicroTROJ_GEN.R011C0DLL19
CyrenW32/Trojan.SGRI-5057
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.GZOU
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Malware.Generic-7465928-0
KasperskyTrojan.Win32.Zenpak.sor
AlibabaBackdoor:Win32/Zenpak.65cf5dd0
NANO-AntivirusTrojan.Win32.Kryptik.glwomg
TencentWin32.Trojan.Zenpak.Hpif
Ad-AwareTrojan.GenericKD.32826262
EmsisoftTrojan.GenericKD.32826262 (B)
F-SecureHeuristic.HEUR/AGEN.1123244
DrWebTrojan.MulDrop4.25343
VIPRETrojan.Win32.Generic!BT
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
FortinetRiskware/Kryptik
FireEyeGeneric.mg.2729aaa828301919
SophosMal/GandCrab-G
SentinelOneDFI – Malicious PE
JiangminTrojan.Zenpak.aoa
AviraHEUR/AGEN.1123244
MAXmalware (ai score=83)
Antiy-AVLTrojan/Win32.Bomitag
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D1F4E396
ZoneAlarmTrojan.Win32.Zenpak.sor
MicrosoftTrojan:Win32/Zenpak.MR!MTB
AhnLab-V3Trojan/Win32.MalPe.R304211
VBA32BScope.Trojan.AET.281105
ALYacTrojan.GenericKD.32826262
MaxSecureTrojan.Malware.74745385.susgen
CylanceUnsafe
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom.Win32.NEMTY.SMTH.hp
RisingTrojan.Kryptik!8.8 (CLOUD)
YandexTrojan.Zenpak!
IkarusTrojan.Win32.Azorult
GDataTrojan.GenericKD.32826262
BitDefenderThetaGen:NN.ZexaF.34106.@y0@aa@LkvhG
AVGWin32:CoinminerX-gen [Trj]
AvastWin32:CoinminerX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360HEUR/QVM10.1.8AA1.Malware.Gen

How to remove Trojan:Win32/Zenpak.MR!MTB 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

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:Win32/Zenpak.MR!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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Zenpak.MR!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/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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