MSIL/Agent.HD

What is MSIL/Agent.HD infection?

In this post you will discover concerning the definition of MSIL/Agent.HD and also its adverse impact on your computer. Such ransomware are a type of malware that is clarified by online frauds to require paying the ransom by a sufferer.

Most of the instances, MSIL/Agent.HD virus will certainly advise its victims to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has introduced to the target’s tool.

MSIL/Agent.HD 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.
  • A process attempted to delay the analysis task.;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Ciphering the records found on the target’s disk drive — so the victim can no longer make use of the data;
  • Preventing normal accessibility 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.

MSIL/Agent.HD

One of the most normal networks where MSIL/Agent.HD Ransomware are infused are:

  • By methods of phishing emails;
  • As a consequence of user ending up on a resource that hosts a malicious software application;

As soon as the Trojan is successfully infused, it will either cipher the information on the target’s PC or avoid the tool from working in an appropriate way – while also putting a ransom note that points out the demand for the targets to impact the settlement for the objective of decrypting the documents or bring back the documents system back to the preliminary condition. In many circumstances, the ransom note will turn up when the customer reboots the PC after the system has already been damaged.

MSIL/Agent.HD circulation networks.

In numerous edges of the globe, MSIL/Agent.HD grows by leaps and bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom quantity might differ depending upon specific local (local) setups. The ransom notes and also tricks of extorting the ransom money quantity may differ depending on specific regional (local) setups.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In certain areas, the Trojans often wrongfully report having spotted some unlicensed applications enabled on the target’s device. The alert after that demands the user to pay the ransom.

    Faulty statements concerning illegal material.

    In nations where software application piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Alternatively, the MSIL/Agent.HD popup alert might wrongly declare to be deriving from a law enforcement institution and also will report having situated child porn or various other prohibited information on the gadget.

    MSIL/Agent.HD popup alert may incorrectly declare to be obtaining from a regulation enforcement establishment as well as will report having located kid pornography or various other prohibited information on the gadget. The alert will likewise consist of a need for the user to pay the ransom.

Technical details

File Info:

crc32: F1BA9C95md5: 539c8929033047a2390f3f553dd028a9name: 539C8929033047A2390F3F553DD028A9.mlwsha1: d375a3e62c1220f9e33011044abd80aa7b22abecsha256: 8e4da1a822accdbd6e39cc239d48581c96607925318d8b5e0d4615e241ed9169sha512: 0c2011b7f537a31efa984d6c7c16d6762707707a25b8a05494a1cdf6353b9d3fe98597273b8b04a4fa66f8398675ad61855fd8fce6137db4ab8a87027c3b97d0ssdeep: 1536:i2BsIXj+GeG3Th9D9+1WxM7T5yJJo6CEVQMIA7ivi:HmIz+GF22YT5yXxVjF7eitype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 0.0.0.0InternalName: server.exeFileVersion: 0.0.0.0ProductVersion: 0.0.0.0FileDescription: OriginalFilename: server.exe

MSIL/Agent.HD also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0042eefe1 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen4.30538
ClamAV Win.Trojan.Chabava-1
McAfee Artemis!539C89290330
Malwarebytes Backdoor.Bladabindi.MSIL
Zillya Trojan.Blocker.Win32.62888
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.832c1188
K7GW Trojan ( 0042eefe1 )
Cybereason malicious.903304
Cyren W32/MSIL_Troj.FT.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Agent.HD
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Blocker.kjju
BitDefender Gen:Heur.MSIL.Bladabindi.1
NANO-Antivirus Trojan.Win32.TrjGen.bajryl
MicroWorld-eScan Gen:Heur.MSIL.Bladabindi.1
Tencent Win32.Trojan.Blocker.Svhs
Ad-Aware Gen:Heur.MSIL.Bladabindi.1
Sophos Mal/Generic-S
Comodo Malware@#nsqb3aq6ryrn
BitDefenderTheta Gen:NN.ZemsilF.34608.dm0@aGVQQvn
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.qh
FireEye Generic.mg.539c8929033047a2
Emsisoft Gen:Heur.MSIL.Bladabindi.1 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Malware.Heur
Avira TR/ATRAPS.Gen
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Win32.AGeneric
Kingsoft Win32.Troj.Dapato.(kcloud)
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Trojan.MSIL.Bladabindi.1
AegisLab Trojan.Win32.Dapato.b!c
ZoneAlarm Trojan-Ransom.Win32.Blocker.kjju
GData Gen:Heur.MSIL.Bladabindi.1
Acronis suspicious
MAX malware (ai score=86)
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Trojan-Dropper.MSIL
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Dapato.BTVL!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HwMAAh8C

How to remove MSIL/Agent.HD 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.HD 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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