MSIL/Injector.GZB

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

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.

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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: 5EC58B62
md5: 1a4390a9618e621d533f53ff0c3e8470
name: 1A4390A9618E621D533F53FF0C3E8470.mlw
sha1: 926ec8bb0570ef26e4f8529dbc7b075d4b878869
sha256: 2709458f52c3f2b7bcdd2ae73bb40a5e285ebc190b3f9d2d34b40b7668ebf2a2
sha512: aeda858fb835896568113bbd7f258b85d2c1965e5eee0ef5651f87db573aa93d8f150dd753cb76e8ecf5abad0facbfe1c330c1480d8cf861f4d71be2f7e72cc4
ssdeep: 12288:wmFnQdfX9HaQd3RXSX2QCiPaDGvkl+U30Y0UkGOiwS9rgOAQ:o1tHbM2/NEY0UkGD59rn
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2015
Assembly Version: 1.0.0.0
InternalName: FlashPlayer_lag.exe
FileVersion: 1.0.0.0
CompanyName: Microsoft
ProductName: FlashPlayer_lag
ProductVersion: 1.0.0.0
FileDescription: FlashPlayer_lag
OriginalFilename: FlashPlayer_lag.exe

MSIL/Injector.GZB also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
FireEyeGeneric.mg.1a4390a9618e621d
Qihoo-360Win32/Ransom.Blocker.HgIASOcA
McAfeeArtemis!1A4390A9618E
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Generic.lV5J
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 004b33ed1 )
BitDefenderGen:Variant.MSILPerseus.229951
K7GWTrojan ( 004b33ed1 )
Cybereasonmalicious.9618e6
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastMSIL:GenMalicious-ALP [Trj]
CynetMalicious (score: 100)
KasperskyTrojan-Ransom.Win32.Blocker.hfci
AlibabaRansom:Win32/Blocker.2e153bdc
NANO-AntivirusTrojan.Win32.Blocker.dspvyd
MicroWorld-eScanGen:Variant.MSILPerseus.229951
Ad-AwareGen:Variant.MSILPerseus.229951
SophosMal/Generic-S
ComodoMalware@#2idprtb7cdhmd
F-SecureTrojan.TR/Dropper.MSIL.Gen
DrWebBackDoor.Bladabindi.1393
McAfee-GW-EditionArtemis!Trojan
EmsisoftGen:Variant.MSILPerseus.229951 (B)
IkarusTrojan.MSIL.Injector
GDataGen:Variant.MSILPerseus.229951
AviraTR/Dropper.MSIL.Gen
MAXmalware (ai score=85)
Antiy-AVLTrojan[Ransom]/Win32.Blocker
ArcabitTrojan.MSILPerseus.D3823F
AhnLab-V3Win-Trojan/MSILKrypt09.Exp
ZoneAlarmTrojan-Ransom.Win32.Blocker.hfci
MicrosoftTrojan:Win32/Wacatac.B!ml
ESET-NOD32a variant of MSIL/Injector.GZB
BitDefenderThetaGen:NN.ZemsilF.34608.Pm0@amZGerk
ALYacGen:Variant.MSILPerseus.229951
MalwarebytesGeneric.Malware/Suspicious
PandaTrj/CI.A
TencentWin32.Trojan.Blocker.Dygp
YandexTrojan.Blocker!X488aGneEoc
SentinelOneStatic AI – Malicious PE
eGambitGeneric.Malware
FortinetMSIL/GZB!tr
AVGMSIL:GenMalicious-ALP [Trj]
Paloaltogeneric.ml
CrowdStrikewin/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

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/Injector.GZB 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/Injector.GZB 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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