Trojan.Win32.Zenpak.wrv

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

What is Trojan.Win32.Zenpak.wrv infection?

In this article you will certainly discover about the definition of Trojan.Win32.Zenpak.wrv and its adverse impact on your computer. Such ransomware are a kind of malware that is clarified by on the internet scams to require paying the ransom by a victim.

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Most of the situations, Trojan.Win32.Zenpak.wrv ransomware will certainly instruct its victims to start funds move for the objective of neutralizing the modifications that the Trojan infection has presented to the victim’s tool.

Trojan.Win32.Zenpak.wrv 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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 browser, 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.

  • A process created a hidden window;
  • 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 language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Steals private information from local Internet browsers;
  • Network activity contains more than one unique useragent.;
  • 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 modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • 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 records situated on the sufferer’s hard disk drive — so the sufferer can no longer make use of the data;
  • Preventing normal 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
Related domains
www.bing.comTrojan-Ransom.Win32.Crypmod.zfq
mangroveforests.comTrojan-Ransom.Win32.Crypmod.zfq
iplogger.orgTrojan-Ransom.Win32.Crypmod.zfq

Trojan.Win32.Zenpak.wrv

One of the most common networks through which Trojan.Win32.Zenpak.wrv Trojans are infused are:

  • By means of phishing e-mails;
  • As an effect of customer winding up on a resource that organizes a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or protect against the device from functioning in a correct fashion – while additionally putting a ransom note that states the requirement for the targets to impact the payment for the purpose of decrypting the records or recovering the data system back to the initial condition. In most instances, the ransom money note will turn up when the client reboots the PC after the system has already been damaged.

Trojan.Win32.Zenpak.wrv distribution networks.

In different corners of the world, Trojan.Win32.Zenpak.wrv grows by jumps and also bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom amount might differ depending on specific local (regional) setups. The ransom money notes as well as methods of obtaining the ransom money amount may vary depending on certain local (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

    In particular locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s device. The alert then demands the customer to pay the ransom.

    Faulty statements about illegal content.

    In countries where software piracy is much less popular, this approach is not as reliable for the cyber fraudulences. Alternatively, the Trojan.Win32.Zenpak.wrv popup alert might falsely claim to be originating from a police institution and will report having located youngster porn or various other prohibited data on the device.

    Trojan.Win32.Zenpak.wrv popup alert might falsely claim to be obtaining from a regulation enforcement institution and will certainly report having situated kid porn or various other illegal information on the device. The alert will similarly contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: F04F854E
md5: 708cd30f21c0de497a09c445d10a70cf
name: wotsuper2.exe
sha1: fedfe040c09c452eb7875ac739d4ca8a31370cf8
sha256: dbac0321bbcb383f1f1e8f64be22ff3b1c0fb4fa04b5fff163a2c6bccf16096a
sha512: 12863d07a6666a0ac9213448174e653ea32ef8ff4cbde1ef52b400662f92d622840b9bb494e3abb4a60d0af256ef204bc46368fdb766f955ec0fffd487e89917
ssdeep: 12288:pANwRo+mv8QD4+0V16Rfz+3Dz1b8SoHmhMQr05I5Q2hZQ+BP+3V6/zo7CJ8eepl:pAT8QE+kQa31fNMQ3e2hPl5zo7fl
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: wotsuper
FileDescription: wotsuper 2.1 Installation
FileVersion: 2.1
Comments:
CompanyName: wotsuper
Translation: 0x0409 0x04e4

Trojan.Win32.Zenpak.wrv also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.33535712
ALYacTrojan.Agent.Wacatac
MalwarebytesTrojan.Downloader
SangforMalware
CrowdStrikewin/malicious_confidence_60% (W)
K7GWTrojan ( 0056242b1 )
K7AntiVirusTrojan ( 0056242b1 )
CyrenW32/Trojan.GWCO-5407
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HBVX
APEXMalicious
Paloaltogeneric.ml
KasperskyTrojan.Win32.Zenpak.wrv
BitDefenderTrojan.GenericKD.33535712
EmsisoftTrojan-Dropper.Agent (A)
F-SecureTrojan.TR/AD.Khalesi.iwwiw
BitDefenderThetaGen:NN.ZexaF.34100.IGW@aGVBWDD
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Dropper.bc
Trapminemalicious.moderate.ml.score
FireEyeGeneric.mg.708cd30f21c0de49
SophosMal/Generic-S
IkarusTrojan.Win32.Crypt
eGambitUnsafe.AI_Score_99%
AviraTR/AD.Khalesi.iwwiw
FortinetPossibleThreat.MU
Antiy-AVLTrojan/Win32.Chapak
Endgamemalicious (moderate confidence)
SUPERAntiSpywareTrojan.Agent/Gen-Downloader
ZoneAlarmTrojan.Win32.Zenpak.wrv
AhnLab-V3Malware/Win32.Generic.C3733562
McAfeeArtemis!708CD30F21C0
MAXmalware (ai score=82)
VBA32BScope.Trojan.AET.281105
PandaTrj/CI.A
TencentMalware.Win32.Gencirc.10b8ad88
MaxSecureTrojan-Ransom.Win32.Crypmod.zfq
GDataTrojan.GenericKD.33535516
AVGWin32:MalwareX-gen [Trj]
AvastWin32:MalwareX-gen [Trj]
Qihoo-360HEUR/QVM05.1.D583.Malware.Gen

How to remove Trojan.Win32.Zenpak.wrv 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.wrv 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.wrv 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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