MSIL/Agent.LG

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

What is MSIL/Agent.LG infection?

In this short article you will find concerning the meaning of MSIL/Agent.LG and its negative impact on your computer. Such ransomware are a type of malware that is clarified by on the internet frauds to demand paying the ransom by a target.

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In the majority of the situations, MSIL/Agent.LG virus will certainly instruct its victims to initiate funds move for the purpose of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s gadget.

MSIL/Agent.LG 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.
  • 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.
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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
  • Creates a copy of itself;
  • Attempts to modify Explorer settings to prevent file extensions from being displayed;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the sufferer’s hard disk — so the target can no longer utilize the data;
  • Preventing regular accessibility to the target’s workstation;

MSIL/Agent.LG

The most common channels whereby MSIL/Agent.LG Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of user winding up on a source that holds a destructive software program;

As soon as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or stop the gadget from working in a proper way – while additionally positioning a ransom money note that points out the need for the sufferers to impact the payment for the purpose of decrypting the files or bring back the data system back to the preliminary condition. In most instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has already been damaged.

MSIL/Agent.LG circulation channels.

In numerous edges of the world, MSIL/Agent.LG grows by leaps and bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom quantity may differ depending upon certain local (regional) settings. The ransom notes and also methods of obtaining the ransom money quantity may vary depending on certain local (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s device. The alert after that requires the individual to pay the ransom.

    Faulty statements regarding unlawful content.

    In nations where software piracy is less prominent, this method is not as effective for the cyber scams. Conversely, the MSIL/Agent.LG popup alert may wrongly declare to be deriving from a police organization and also will certainly report having situated child porn or various other illegal information on the device.

    MSIL/Agent.LG popup alert might incorrectly declare to be acquiring from a regulation enforcement organization as well as will report having located child porn or other prohibited data on the device. The alert will in a similar way include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 14EBC3D9
md5: 72779613412199180c8a64c899ff0c7c
name: 72779613412199180C8A64C899FF0C7C.mlw
sha1: d607f92276faed9997a9ea3145d484114b0516dd
sha256: 553afb030ba7a04b4d62bb9ac64d553fd28aa110ae94e69f18345772e177efaf
sha512: df9cd471715f3a479583bc7f7daebd5b5ef7412debf3588931b24dff30116c378c85e4c2ccbfccd0971dc93c937efa527710e569ca281d91e7d741e68688592b
ssdeep: 1536:xfw6ygq47NGW9CgD4Vw8w28Dxv5s3wOXGpx/9l/7RyVcTIuGeFgfu6ls5hfLI:xfw6Pq47NGW9lD4Vw8w28Dxv5s1XM+c
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft Corporation
Assembly Version: 1.0.0.0
InternalName: Windows Application.exe
FileVersion: 2.1.0.0
CompanyName: Microsoft Corporation
LegalTrademarks: Microsoft Corporation
ProductName: Windows Management
ProductVersion: 2.1.0.0
FileDescription: Host Process for Windows Services
OriginalFilename: Windows Application.exe

MSIL/Agent.LG also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.DarkroDHF.Trojan
K7AntiVirusTrojan ( 700000121 )
MicroWorld-eScanGen:Variant.Ransom.842
CMCTrojan-Ransom.Win32!O
CAT-QuickHealTrojan.Suloc.YY4
ALYacGen:Variant.Ransom.842
CylanceUnsafe
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Suloc.b6bdd9ef
K7GWTrojan ( 700000121 )
Cybereasonmalicious.341219
NANO-AntivirusTrojan.Win32.Drop.egcjjk
CyrenW32/Ransom.IP.gen!Eldorado
SymantecTrojan.Gen
ESET-NOD32MSIL/Agent.LG
APEXMalicious
Paloaltogeneric.ml
GDataGen:Variant.Ransom.842
KasperskyHEUR:Trojan-Ransom.Win32.Generic
BitDefenderGen:Variant.Ransom.842
ViRobotTrojan.Win32.Z.Agent.96256.KP
SUPERAntiSpywareRansom.Agent/Variant
TencentMsil.Worm.Agent.Agbf
Ad-AwareGen:Variant.Ransom.842
SophosW32/MSIL-JRU
ComodoMalware@#1jt2icy1v4doa
DrWebTrojan.MulDrop6.14894
Invinceaheuristic
McAfee-GW-EditionGenericRXBL-LF!727796134121
FireEyeGeneric.mg.7277961341219918
EmsisoftMalware.Generic.CN1 (A)
F-ProtW32/Ransom.IP.gen!Eldorado
WebrootW32.Trojan.Gen
AviraTR/BAS.Kryptik.ayzfu
Antiy-AVLTrojan[Ransom]/Win32.Foreign
MicrosoftTrojan:Win32/Suloc.A
AegisLabTrojan.Win32.Foreign.j!c
ZoneAlarmHEUR:Trojan-Ransom.Win32.Generic
TACHYONTrojan/W32.DN-Agent.96256.AJ
AhnLab-V3Malware/Win32.Generic.C1245353
McAfeeGenericRXBL-LF!727796134121
MAXmalware (ai score=100)
VBA32Hoax.Foreign
MalwarebytesRansom.Agent.MSIL
ZonerTrojan.Win32.75735
RisingRansom.Foreign!8.292 (TFE:C:vywccLyK5dJ)
YandexTrojan.Agent!0OXGA8qFJCU
MaxSecureTrojan.Malware.9399834.susgen
FortinetMSIL/Generic.DN.13E08E!tr
AVGWin32:Rootkit-gen [Rtk]
PandaTrj/Ransom.PR
Qihoo-360Win32/RootKit.Rootkit.7e5

How to remove MSIL/Agent.LG 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 MSIL/Agent.LG 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 MSIL/Agent.LG 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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