Win32:GenMalicious-NPO [Trj]

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

What is Win32:GenMalicious-NPO [Trj] infection?

In this article you will locate about the meaning of Win32:GenMalicious-NPO [Trj] as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to demand paying the ransom by a victim.

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In the majority of the instances, Win32:GenMalicious-NPO [Trj] virus will certainly instruct its targets to launch funds transfer for the objective of counteracting the changes that the Trojan infection has presented to the target’s tool.

Win32:GenMalicious-NPO [Trj] Summary

These adjustments 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • Starts servers listening on 127.0.0.1:38097;
  • 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.

  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • 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 Tor on the infected machine;
  • 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;
  • Appends a known Troldesh ransomware file extension to files that have been encrypted;
  • 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 located on the sufferer’s disk drive — so the victim can no longer use the information;
  • Preventing normal accessibility to the victim’s workstation;

Win32:GenMalicious-NPO [Trj]

The most normal channels where Win32:GenMalicious-NPO [Trj] Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual winding up on a resource that holds a destructive software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or avoid the gadget from functioning in a correct way – while additionally placing a ransom money note that points out the demand for the sufferers to impact the repayment for the purpose of decrypting the documents or restoring the file system back to the first problem. In most instances, the ransom note will certainly turn up when the customer restarts the PC after the system has currently been harmed.

Win32:GenMalicious-NPO [Trj] circulation channels.

In various corners of the world, Win32:GenMalicious-NPO [Trj] grows by jumps and bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom money amount may vary depending on certain regional (regional) setups. The ransom notes and also methods of obtaining the ransom amount might differ depending on specific neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software application.

    In specific areas, the Trojans frequently wrongfully report having spotted some unlicensed applications allowed on the victim’s tool. The alert after that demands the customer to pay the ransom.

    Faulty statements about illegal web content.

    In countries where software program piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Conversely, the Win32:GenMalicious-NPO [Trj] popup alert might wrongly declare to be stemming from a law enforcement institution as well as will certainly report having located youngster porn or other illegal information on the tool.

    Win32:GenMalicious-NPO [Trj] popup alert may wrongly declare to be acquiring from a law enforcement organization and also will certainly report having located kid pornography or various other illegal data on the tool. The alert will likewise contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 77328313
md5: af39b8069658fc77cdf36646d359c0ea
name: AF39B8069658FC77CDF36646D359C0EA.mlw
sha1: 2f5e4bcee93f4d5e0bc3e68efb55cabf201690d5
sha256: 28a71bbce9b1a8fd50cc622a0a0e91ec4890ef8d628d2c98bb7b402d94a9370f
sha512: 345b839fa65ce3e554831565c0a09309a74ac633491b8b4735f5b45c5559d1ab78347b0f7039829e31801f1021959ef62e065b60b4fc85fb65bfecf5706f2a11
ssdeep: 12288:LbHlAkc2gbf4ufFcTn2p9CzEokJ28+9Okshi9sO/XOWM1Bg7UFp5f9hbWN:vf5UfFfFcq9YE+8++O8BnFp5VhiN
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
LegalCopyright: aptured in an animated gif which you can link in response to someone or something on the
InternalName: LHk0U
FileVersion: 1.00.0405
CompanyName: fLaSh game aptured in an animated gif which you can link in response to someone or something on the
Comments: aptured in an animated gif which you can link in response to someone or something on the
ProductName: aptured in an animated gif which you can link in response to someone or something on the
ProductVersion: 1.00.0405
FileDescription: aptured in an animated gif which you can link in response to someone or something on the
OriginalFilename: LHk0U.exe

Win32:GenMalicious-NPO [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004b8aa51 )
Elastic malicious (high confidence)
DrWeb Trojan.VbCrypt.250
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Fsysna.77fc1358
K7GW Trojan ( 004b8aa51 )
Cybereason malicious.69658f
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.Shade.B
APEX Malicious
Avast Win32:GenMalicious-NPO [Trj]
ClamAV Win.Dropper.Mansabo-6611665-0
Kaspersky Trojan.Win32.Fsysna.erbq
BitDefender Gen:Variant.Bulz.344767
NANO-Antivirus Trojan.Win32.Fsysna.evkwak
MicroWorld-eScan Gen:Variant.Bulz.344767
Tencent Win32.Trojan.Fsysna.Loht
Ad-Aware Gen:Variant.Bulz.344767
Sophos Mal/Generic-S
Comodo Malware@#z6vcmg1dhwft
F-Secure Heuristic.HEUR/AGEN.1113142
BitDefenderTheta AI:Packer.C5D1825A20
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPSHED.SMV1
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.af39b8069658fc77
Emsisoft Gen:Variant.Bulz.344767 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1113142
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Win32.Fsysna
Microsoft Ransom:Win32/Troldesh.A
Arcabit Trojan.Bulz.D542BF
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm Trojan.Win32.Fsysna.erbq
GData Gen:Variant.Bulz.344767
McAfee Generic.cvr
MAX malware (ai score=99)
VBA32 Trojan.Fsysna
Malwarebytes Generic.Malware/Suspicious
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPSHED.SMV1
Rising Ransom.Troldesh!8.5D1 (CLOUD)
Yandex Trojan.Fsysna!KOv5QtztsrQ
Ikarus Trojan.Win32.Ircbrute
MaxSecure Trojan.Malware.74121654.susgen
Fortinet W32/Fsysna.ED!tr
AVG Win32:GenMalicious-NPO [Trj]
Paloalto generic.ml
Qihoo-360 Win32/TrojanSpy.Fsysna.HgIASOoA

How to remove Win32:GenMalicious-NPO [Trj] 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 Win32:GenMalicious-NPO [Trj] 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 Win32:GenMalicious-NPO [Trj] 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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