MSIL/Agent.GX

What is MSIL/Agent.GX infection?

In this post you will certainly find concerning the meaning of MSIL/Agent.GX as well as its negative effect on your computer system. Such ransomware are a form of malware that is elaborated by on-line fraudulences to require paying the ransom by a victim.

Most of the instances, MSIL/Agent.GX ransomware will advise its sufferers to launch funds transfer for the objective of neutralizing the changes that the Trojan infection has actually introduced to the victim’s tool.

MSIL/Agent.GX Summary

These adjustments 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.
  • 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 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.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard disk — so the sufferer can no more use the information;
  • Preventing regular accessibility to the victim’s workstation;

MSIL/Agent.GX

The most normal channels through which MSIL/Agent.GX are injected are:

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

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s computer or stop the tool from functioning in a correct manner – while also positioning a ransom money note that states the demand for the victims to effect the settlement for the objective of decrypting the files or recovering the data system back to the first condition. In most circumstances, the ransom money note will turn up when the client reboots the COMPUTER after the system has actually already been harmed.

MSIL/Agent.GX circulation channels.

In various corners of the globe, MSIL/Agent.GX expands by jumps and also bounds. However, the ransom money notes and also methods of extorting the ransom money quantity might vary depending on certain neighborhood (local) settings. The ransom notes and tricks of extorting the ransom amount may vary depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software.

    In certain areas, the Trojans usually wrongfully report having found some unlicensed applications allowed on the target’s device. The sharp after that demands the individual to pay the ransom.

    Faulty declarations concerning illegal material.

    In countries where software application piracy is less prominent, this method is not as reliable for the cyber scams. Alternatively, the MSIL/Agent.GX popup alert might falsely claim to be originating from a police establishment as well as will report having located child porn or various other prohibited data on the gadget.

    MSIL/Agent.GX popup alert might incorrectly declare to be deriving from a legislation enforcement institution as well as will certainly report having situated youngster pornography or other prohibited information on the gadget. The alert will similarly contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 13B3B74Dmd5: bbab8e2d418e7d7aae0d08b1efe6ee7aname: BBAB8E2D418E7D7AAE0D08B1EFE6EE7A.mlwsha1: 82bdc354f526f8ad3e89f5bbbf147656ba901644sha256: 2f73481881a221f45a28404efed7db0bcfaf8c4ff35d27df08483b4ceb3e31casha512: 92e2f257bad6d903f29d60304bcf0c4c1362dbf0f6dec8b445c11b3cb7157593f0c3c7b4887df809d3c813b9390477976a3179a4f2d0504912a81cb27d832245ssdeep: 192:tMDQ0zLPiT9ruMEL//Fsl5fVEMQO4Fe2WlhH1Q9WqNRoIpa26kwlqIg+C+n3Knc:axHihoLFslxVEMQ4N1CBOyAqIBC+atype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 1.0.0.0InternalName: plugin_system.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: ProductVersion: 1.0.0.0FileDescription: OriginalFilename: plugin_system.exe

MSIL/Agent.GX also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 700000121 )
DrWeb Trojan.DownLoader23.20222
Cynet Malicious (score: 99)
ALYac Gen:Variant.Ursu.217293
Cylance Unsafe
Zillya Trojan.Blocker.Win32.36198
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Trojan ( 700000121 )
Cybereason malicious.d418e7
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Agent.GX
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.khpy
BitDefender Gen:Variant.Ursu.217293
NANO-Antivirus Trojan.Win32.Blocker.etcbnu
MicroWorld-eScan Gen:Variant.Ursu.217293
Tencent Win32.Trojan.Blocker.Pijz
Ad-Aware Gen:Variant.Ursu.217293
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZemsilF.34678.am0@a0pwAQ
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.bbab8e2d418e7d7a
Emsisoft Gen:Variant.Ursu.217293 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.hoi
Avira TR/Downloader.Gen
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Tiggre!rfn
Arcabit Trojan.Ursu.D350CD
AegisLab Trojan.Win32.Blocker.j!c
GData Gen:Variant.Ursu.217293
AhnLab-V3 Trojan/Win32.Gen
McAfee Artemis!BBAB8E2D418E
MAX malware (ai score=100)
VBA32 Trojan-Ransom.Blocker
Panda Trj/GdSda.A
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!OqPjQAmSBk0
Ikarus Worm.MSIL.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.GX!worm
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOQA

How to remove MSIL/Agent.GX 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove MSIL/Agent.GX you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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