MSIL/Injector.CYO

What is MSIL/Injector.CYO infection?

In this short article you will certainly find concerning the meaning of MSIL/Injector.CYO as well as its negative influence on your computer. Such ransomware are a kind of malware that is specified by online fraudulences to demand paying the ransom money by a sufferer.

In the majority of the instances, MSIL/Injector.CYO virus will instruct its sufferers to launch funds transfer for the objective of counteracting the modifications that the Trojan infection has introduced to the sufferer’s device.

MSIL/Injector.CYO Summary

These modifications 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.
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the sufferer’s hard disk — so the target can no longer use the information;
  • Preventing routine 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/Injector.CYO

The most regular networks through which MSIL/Injector.CYO Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a resource that holds a destructive software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the target’s computer or protect against the tool from operating in a correct way – while additionally positioning a ransom note that discusses the demand for the victims to impact the repayment for the objective of decrypting the papers or restoring the data system back to the initial condition. In many instances, the ransom note will turn up when the customer restarts the PC after the system has actually already been damaged.

MSIL/Injector.CYO circulation channels.

In different corners of the globe, MSIL/Injector.CYO grows by leaps and bounds. However, the ransom money notes and also tricks of obtaining the ransom amount may differ relying on specific regional (regional) settings. The ransom money notes and tricks of obtaining the ransom money quantity may differ depending on particular regional (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software application.

    In certain areas, the Trojans often wrongfully report having identified some unlicensed applications made it possible for on the target’s device. The alert then demands the individual to pay the ransom.

    Faulty declarations concerning illegal web content.

    In nations where software program piracy is less popular, this approach is not as reliable for the cyber frauds. Additionally, the MSIL/Injector.CYO popup alert might incorrectly assert to be deriving from a police institution as well as will certainly report having situated kid pornography or various other prohibited data on the tool.

    MSIL/Injector.CYO popup alert might wrongly claim to be obtaining from a law enforcement organization and also will report having located kid pornography or various other unlawful data on the device. The alert will similarly contain a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: B50027D9md5: dbb62125cb5912f2a965959c0fe5a16aname: DBB62125CB5912F2A965959C0FE5A16A.mlwsha1: fd94f593d0cd01b38dd042a0cca7200798f0f026sha256: 93b87ae128b2ac468b46e8aa7fb841e86761cea2d086addabc078e2301b5ea05sha512: 3b6deca27efac81fd41f72caf8ccb3488582bc682d1b61dbccbf3de4bbed3fd8cd1f3ffa0efe972e471c5512195b5404425db83a42a30821846d00832cc9427assdeep: 1536:OBDOXiFm+XK4W7J8xKadIEpmsjClvRY09d5c9hxrOzSlrbPv:OQMFmJzadIEp3+hBdkhxr+4Xvtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: fl7ByDhTPxAssembly Version: 4.2.4.5InternalName: Hola.exeFileVersion: 4.1.5.x200b0CompanyName: fl7ByDhTPxLegalTrademarks: gn)GDIi2XCComments: gn)GDIi2XCProductName: gn)GDIi2XCProductVersion: 4.1.5.x200b0FileDescription: fl7ByDhTPxOriginalFilename: Hola.exe

MSIL/Injector.CYO also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 700000121 )
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner1.64364
Cynet Malicious (score: 100)
McAfee Trojan-FDWX!DBB62125CB59
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:MSIL/Injector.f06c386d
K7GW Trojan ( 700000121 )
Cybereason malicious.5cb591
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Injector.CYO
APEX Malicious
Avast MSIL:GenMalicious-DQN [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.Samas.9
NANO-Antivirus Trojan.Win32.Autoruner1.deqpgt
MicroWorld-eScan Gen:Variant.Ransom.Samas.9
Tencent Win32.Trojan-dropper.Fraudrop.Wuqw
Ad-Aware Gen:Variant.Ransom.Samas.9
Sophos Mal/Generic-S
Comodo Malware@#2xy8x5vaaeeqt
BitDefenderTheta Gen:NN.ZemsilF.34628.gm0@a49QBTj
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.dbb62125cb5912f2
Emsisoft Gen:Variant.Ransom.Samas.9 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1127560
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.FrauDrop.(kcloud)
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Trojan.Ransom.Samas.9
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Ransom.Samas.9
AhnLab-V3 Trojan/Win32.Jorik.R109751
MAX malware (ai score=84)
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/CI.A
Rising Trojan.Generic!8.C3 (CLOUD)
Yandex Trojan.Injector!z37DIm/glh8
Ikarus Trojan.Barys
MaxSecure Trojan.Malware.300983.susgen
AVG MSIL:GenMalicious-DQN [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HwMABhYC

How to remove MSIL/Injector.CYO 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/Injector.CYO 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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