Trojan.ShellStartup.lmGfaGWZNppc

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

What is Trojan.ShellStartup.lmGfaGWZNppc infection?

In this short article you will certainly discover concerning the definition of Trojan.ShellStartup.lmGfaGWZNppc as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom by a sufferer.

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Most of the instances, Trojan.ShellStartup.lmGfaGWZNppc infection will instruct its victims to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s tool.

Trojan.ShellStartup.lmGfaGWZNppc Summary

These modifications can be as follows:

  • 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.
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • 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.
  • Ciphering the papers situated on the target’s hard drive — so the victim can no longer use the information;
  • Preventing routine access 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.

Trojan.ShellStartup.lmGfaGWZNppc

The most common networks where Trojan.ShellStartup.lmGfaGWZNppc Ransomware are injected are:

  • By means of phishing e-mails;
  • As a repercussion of customer winding up on a source that holds a malicious software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s computer or prevent the tool from working in an appropriate way – while likewise placing a ransom money note that states the need for the targets to impact the payment for the purpose of decrypting the files or recovering the documents system back to the initial condition. In a lot of instances, the ransom note will certainly turn up when the client restarts the PC after the system has actually currently been harmed.

Trojan.ShellStartup.lmGfaGWZNppc distribution networks.

In different edges of the globe, Trojan.ShellStartup.lmGfaGWZNppc expands by jumps and bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom money quantity may differ depending upon specific neighborhood (regional) setups. The ransom notes and tricks of extorting the ransom amount might differ depending on particular local (regional) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the victim’s tool. The sharp after that demands the individual to pay the ransom.

    Faulty statements concerning unlawful content.

    In countries where software piracy is less prominent, this approach is not as effective for the cyber fraudulences. Alternatively, the Trojan.ShellStartup.lmGfaGWZNppc popup alert might falsely claim to be originating from a law enforcement establishment and also will certainly report having situated child porn or various other prohibited data on the tool.

    Trojan.ShellStartup.lmGfaGWZNppc popup alert might incorrectly declare to be acquiring from a law enforcement institution as well as will report having situated kid pornography or various other illegal information on the gadget. The alert will likewise consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 3E4B3DF8
md5: 2325b077d8cc64095e009ae674bc8d46
name: b04777bcb0aeed14.exe
sha1: 6bbea2751a58629bb8428ce5c694c517ea1646be
sha256: 4185088f4623e44e1001872b0368a3d9678c43bdd521dee80e42aabef300df42
sha512: c7eb3d95c2ad4d858f00f0566456eee8bd134fc2873ef0fbfbe4db40885a5391149266f082b3512dd1d42fcbe5686133a016d31e8b07a0f260a8c85e4fd5a9a0
ssdeep: 3072:2BgjS2GJyRGvl3hF85k+6LLH1zN14GPEdGVM9h9kKhnsE7+Y9acPNyewtT:2fMG9RFsULVxbPEdGV0AIs6ocPNr
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan.ShellStartup.lmGfaGWZNppc also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Trojan.ShellStartup.lmGfaGWZNppc
FireEye Generic.mg.2325b077d8cc6409
CAT-QuickHeal Ransom.Somhoveran.C8
McAfee Artemis!2325B077D8CC
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 7000000f1 )
BitDefender Gen:Trojan.ShellStartup.lmGfaGWZNppc
K7GW Trojan ( 7000000f1 )
Cybereason malicious.7d8cc6
TrendMicro Mal_LockScreen
F-Prot W32/A-32df3ff0!Eldorado
Symantec SMG.Heur!gen
TotalDefense Win32/Tnega.AVPY
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Ransomware.Gimemo-6725202-0
GData Win32.Trojan-Ransom.Somhoveran.A
Kaspersky Trojan-Ransom.Win32.Gimemo.cdqu
Alibaba Ransom:Win32/Gimemo.388c7cf6
NANO-Antivirus Trojan.Win32.Gimemo.dpubxw
ViRobot Trojan.Win32.Z.Gimemo.196096.YX
AegisLab Trojan.Win32.Gimemo.j!c
Rising Trojan.LockScreen!1.AA76 (CLOUD)
Endgame malicious (moderate confidence)
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Ransom.Somhoveran.C@849qai
F-Secure Trojan.TR/Strictor.oiuya
DrWeb Trojan.KillProc.26668
Zillya Trojan.Gimemo.Win32.8819
Invincea heuristic
McAfee-GW-Edition GenericRXEQ-QT!D1AC527CF634
Trapmine malicious.moderate.ml.score
CMC Trojan-Ransom.Win32.Gimemo!O
Emsisoft Gen:Trojan.ShellStartup.lmGfaGWZNppc (B)
Ikarus Trojan.Strictor
Cyren W32/A-32df3ff0!Eldorado
Jiangmin Trojan.Gimemo.lh
Avira TR/Strictor.oiuya
MAX malware (ai score=100)
Antiy-AVL Trojan[Ransom]/Win32.Gimemo.bdvq
Microsoft Ransom:Win32/Somhoveran.C
Arcabit Trojan.ShellStartup.lmGfaGWZNppc
SUPERAntiSpyware Trojan.Agent/Gen-Graftor
ZoneAlarm Trojan-Ransom.Win32.Gimemo.cdqu
AhnLab-V3 Trojan/Win32.Gimemo.R87557
ALYac Gen:Trojan.ShellStartup.lmGfaGWZNppc
TACHYON Ransom/W32.DP-Gimemo.446464
VBA32 Trojan-Ransom.Winlock.gen
Malwarebytes Trojan.Agent.RNS
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/LockScreen.AWI
TrendMicro-HouseCall Mal_LockScreen
Tencent Ransom.Win32.Gmie.a
Yandex Trojan.GreenLock.Gen.UO
SentinelOne DFI – Suspicious PE
eGambit Unsafe.AI_Score_100%
Fortinet W32/LockScreen.AW!tr
Ad-Aware Gen:Trojan.ShellStartup.lmGfaGWZNppc
AVG Win32:Evo-gen [Susp]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Trojan.IM.d8e

How to remove Trojan.ShellStartup.lmGfaGWZNppc 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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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.ShellStartup.lmGfaGWZNppc 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.ShellStartup.lmGfaGWZNppc 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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