Trojan.Win32.Zenpak.vho

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

What is Trojan.Win32.Zenpak.vho infection?

In this article you will discover about the meaning of Trojan.Win32.Zenpak.vho and also its unfavorable effect on your computer system. Such ransomware are a form of malware that is clarified by online scams to require paying the ransom money by a target.

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In the majority of the instances, Trojan.Win32.Zenpak.vho infection will instruct its targets to start funds transfer for the purpose of neutralizing the changes that the Trojan infection has presented to the sufferer’s gadget.

Trojan.Win32.Zenpak.vho 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.
  • A process attempted to delay the analysis task.;
  • Attempts to execute a powershell command with suspicious parameter/s;
  • A process created a hidden window;
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • Network activity contains more than one unique useragent.;
  • Writes a potential ransom message to disk;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Clears Windows events or logs;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the sufferer’s disk drive — so the victim can no more make use of the information;
  • Preventing routine accessibility 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
z.whorecord.xyzGen:Heur.Ransom.Imps.1
www.myexternalip.comGen:Heur.Ransom.Imps.1
a.tomx.xyzGen:Heur.Ransom.Imps.1
nemty10.hkGen:Heur.Ransom.Imps.1

Trojan.Win32.Zenpak.vho

The most typical channels where Trojan.Win32.Zenpak.vho Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a source that holds a harmful software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s PC or stop the gadget from operating in an appropriate way – while also putting a ransom money note that discusses the requirement for the sufferers to effect the repayment for the objective of decrypting the records or recovering the file system back to the first problem. In the majority of circumstances, the ransom money note will certainly show up when the client reboots the PC after the system has already been harmed.

Trojan.Win32.Zenpak.vho circulation channels.

In numerous edges of the world, Trojan.Win32.Zenpak.vho expands by jumps and also bounds. Nevertheless, the ransom notes and tricks of obtaining the ransom quantity might differ depending on particular neighborhood (local) settings. The ransom money notes and also methods of obtaining the ransom money quantity might differ depending on certain regional (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In particular locations, the Trojans commonly wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s tool. The alert then demands the user to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In nations where software program piracy is much less popular, this technique is not as effective for the cyber frauds. Alternatively, the Trojan.Win32.Zenpak.vho popup alert might falsely declare to be originating from a law enforcement institution and will certainly report having located kid porn or various other unlawful information on the tool.

    Trojan.Win32.Zenpak.vho popup alert may wrongly declare to be deriving from a legislation enforcement establishment and also will report having located youngster porn or other prohibited data on the tool. The alert will similarly include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: D86D9507
md5: 542bab6a93e8fbd7141975db19a59853
name: jap.exe
sha1: c9d91bee8d4ef05234395a403e4d48868dc0615a
sha256: 8ee3fcde25866ac62159f0ff3ac1482f3d25de140ec434adbbd5d44396832781
sha512: 9b3b43b3306a12b21c1a532896cb63011cdfcd9294f1927a6a539fbedfafc3063be000f4718c66910a6460de1174f160799f02441f57cde9ff567ffcbb2f336b
ssdeep: 1536:RStOoo6j+5UTeLNSTQjn0WLg4xI1kXcteRYVUgQxSOrjpBrO:RKHp+5UiZSqzguRcs4UgQxSOPLrO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Win32.Zenpak.vho also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanGen:Heur.Ransom.Imps.1
McAfeeRansom-Nemty!542BAB6A93E8
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 00556c621 )
BitDefenderGen:Heur.Ransom.Imps.1
K7GWTrojan ( 00556c621 )
Cybereasonmalicious.a93e8f
ArcabitTrojan.Ransom.Imps.1
Invinceaheuristic
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Filecoder.Nemty.A
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan.Win32.Zenpak.vho
AlibabaRansom:Win32/Genasom.ali1000102
NANO-AntivirusTrojan.Win32.Encoder.gxsssr
TencentWin32.Trojan.Filecoder.Stap
Endgamemalicious (high confidence)
EmsisoftGen:Heur.Ransom.Imps.1 (B)
F-SecureTrojan.TR/Downloader.Gen
DrWebTrojan.Encoder.30832
ZillyaTrojan.Filecoder.Win32.12172
McAfee-GW-EditionBehavesLike.Win32.PWSOnlineGames.nh
FortinetW32/Filecoder_Nemty.A!tr
Trapminemalicious.moderate.ml.score
FireEyeGeneric.mg.542bab6a93e8fbd7
JiangminTrojan.Zenpak.axc
AviraTR/Downloader.Gen
MAXmalware (ai score=82)
MicrosoftRansom:Win32/Nemty.D
ZoneAlarmHEUR:Trojan.Win32.Zenpak.vho
AhnLab-V3Trojan/Win32.Nemty.C3974898
Acronissuspicious
VBA32BScope.Trojan.Encoder
ALYacGen:Heur.Ransom.Imps.1
Ad-AwareGen:Heur.Ransom.Imps.1
PandaTrj/GdSda.A
RisingRansom.Nemty!1.BD61 (CLASSIC)
SentinelOneDFI – Malicious PE
GDataGen:Heur.Ransom.Imps.1
BitDefenderThetaAI:Packer.8D8C4BDE1E
AVGWin32:RansomX-gen [Ransom]
AvastWin32:RansomX-gen [Ransom]
CrowdStrikewin/malicious_confidence_90% (W)
MaxSecureTrojan.Malware.74773626.susgen

How to remove Trojan.Win32.Zenpak.vho 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 Trojan.Win32.Zenpak.vho 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.Zenpak.vho 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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