MSIL/Injector.GZB

What is MSIL/Injector.GZB infection?

In this article you will certainly locate about the meaning of MSIL/Injector.GZB and its adverse influence on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom by a sufferer.

In the majority of the cases, MSIL/Injector.GZB ransomware will certainly advise its sufferers to start funds transfer for the function of neutralizing the changes that the Trojan infection has presented to the sufferer’s gadget.

MSIL/Injector.GZB Summary

These alterations 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.;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • A process was set to shut the system down when terminated;
  • 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
  • Likely virus infection of existing system binary;
  • Creates a copy of itself;
  • Ciphering the papers located on the victim’s hard disk drive — so the victim can no longer use the information;
  • Preventing regular access to the sufferer’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.GZB

The most normal channels where MSIL/Injector.GZB Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of customer winding up on a resource that organizes a harmful software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or avoid the tool from functioning in a proper way – while additionally putting a ransom money note that mentions the demand for the victims to impact the payment for the purpose of decrypting the papers or recovering the file system back to the first condition. In a lot of instances, the ransom money note will certainly come up when the client reboots the COMPUTER after the system has already been damaged.

MSIL/Injector.GZB distribution channels.

In different corners of the globe, MSIL/Injector.GZB grows by leaps and bounds. Nevertheless, the ransom notes as well as tricks of obtaining the ransom money amount may differ depending on particular regional (regional) settings. The ransom money notes as well as techniques of obtaining the ransom money quantity may differ depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having identified some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty declarations concerning unlawful web content.

    In countries where software application piracy is less preferred, this approach is not as reliable for the cyber scams. Additionally, the MSIL/Injector.GZB popup alert might falsely assert to be deriving from a police organization and will certainly report having situated child pornography or other prohibited information on the device.

    MSIL/Injector.GZB popup alert might incorrectly claim to be deriving from a law enforcement organization and also will report having located youngster pornography or other illegal data on the device. The alert will similarly have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 5EC58B62md5: 1a4390a9618e621d533f53ff0c3e8470name: 1A4390A9618E621D533F53FF0C3E8470.mlwsha1: 926ec8bb0570ef26e4f8529dbc7b075d4b878869sha256: 2709458f52c3f2b7bcdd2ae73bb40a5e285ebc190b3f9d2d34b40b7668ebf2a2sha512: aeda858fb835896568113bbd7f258b85d2c1965e5eee0ef5651f87db573aa93d8f150dd753cb76e8ecf5abad0facbfe1c330c1480d8cf861f4d71be2f7e72cc4ssdeep: 12288:wmFnQdfX9HaQd3RXSX2QCiPaDGvkl+U30Y0UkGOiwS9rgOAQ:o1tHbM2/NEY0UkGD59rntype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 Microsoft 2015Assembly Version: 1.0.0.0InternalName: FlashPlayer_lag.exeFileVersion: 1.0.0.0CompanyName: MicrosoftProductName: FlashPlayer_lagProductVersion: 1.0.0.0FileDescription: FlashPlayer_lagOriginalFilename: FlashPlayer_lag.exe

MSIL/Injector.GZB also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
FireEye Generic.mg.1a4390a9618e621d
Qihoo-360 Win32/Ransom.Blocker.HgIASOcA
McAfee Artemis!1A4390A9618E
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.lV5J
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004b33ed1 )
BitDefender Gen:Variant.MSILPerseus.229951
K7GW Trojan ( 004b33ed1 )
Cybereason malicious.9618e6
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast MSIL:GenMalicious-ALP [Trj]
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Blocker.hfci
Alibaba Ransom:Win32/Blocker.2e153bdc
NANO-Antivirus Trojan.Win32.Blocker.dspvyd
MicroWorld-eScan Gen:Variant.MSILPerseus.229951
Ad-Aware Gen:Variant.MSILPerseus.229951
Sophos Mal/Generic-S
Comodo Malware@#2idprtb7cdhmd
F-Secure Trojan.TR/Dropper.MSIL.Gen
DrWeb BackDoor.Bladabindi.1393
McAfee-GW-Edition Artemis!Trojan
Emsisoft Gen:Variant.MSILPerseus.229951 (B)
Ikarus Trojan.MSIL.Injector
GData Gen:Variant.MSILPerseus.229951
Avira TR/Dropper.MSIL.Gen
MAX malware (ai score=85)
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Arcabit Trojan.MSILPerseus.D3823F
AhnLab-V3 Win-Trojan/MSILKrypt09.Exp
ZoneAlarm Trojan-Ransom.Win32.Blocker.hfci
Microsoft Trojan:Win32/Wacatac.B!ml
ESET-NOD32 a variant of MSIL/Injector.GZB
BitDefenderTheta Gen:NN.ZemsilF.34608.Pm0@amZGerk
ALYac Gen:Variant.MSILPerseus.229951
Malwarebytes Generic.Malware/Suspicious
Panda Trj/CI.A
Tencent Win32.Trojan.Blocker.Dygp
Yandex Trojan.Blocker!X488aGneEoc
SentinelOne Static AI – Malicious PE
eGambit Generic.Malware
Fortinet MSIL/GZB!tr
AVG MSIL:GenMalicious-ALP [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)

How to remove MSIL/Injector.GZB 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.GZB 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.

    Leave a Comment