MSIL/Injector.CGA

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

What is MSIL/Injector.CGA infection?

In this post you will certainly locate about the definition of MSIL/Injector.CGA and also its negative influence on your computer system. Such ransomware are a form of malware that is clarified by online scams to require paying the ransom by a victim.

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Most of the instances, MSIL/Injector.CGA virus will instruct its targets to initiate funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s tool.

MSIL/Injector.CGA Summary

These modifications 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the papers situated on the target’s hard disk drive — so the sufferer can no more make use of the information;
  • Preventing routine accessibility to the victim’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.CGA

The most common networks whereby MSIL/Injector.CGA Ransomware are infused are:

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

As soon as the Trojan is effectively injected, it will either cipher the data on the sufferer’s PC or protect against the device from functioning in an appropriate fashion – while also positioning a ransom note that states the need for the victims to effect the settlement for the purpose of decrypting the documents or bring back the data system back to the initial condition. In most circumstances, the ransom note will turn up when the customer reboots the PC after the system has actually currently been damaged.

MSIL/Injector.CGA circulation channels.

In numerous edges of the globe, MSIL/Injector.CGA grows by leaps and also bounds. Nonetheless, the ransom notes as well as methods of extorting the ransom amount might differ relying on certain regional (regional) settings. The ransom notes and also techniques of obtaining the ransom quantity might differ depending on particular local (local) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans often wrongfully report having discovered some unlicensed applications made it possible for on the sufferer’s gadget. The alert then requires the user to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In nations where software application piracy is less preferred, this approach is not as reliable for the cyber fraudulences. Alternatively, the MSIL/Injector.CGA popup alert may wrongly assert to be stemming from a law enforcement institution and also will certainly report having located child porn or various other illegal information on the tool.

    MSIL/Injector.CGA popup alert may falsely claim to be acquiring from a law enforcement organization as well as will certainly report having situated child porn or various other illegal information on the tool. The alert will likewise consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 5222D187
md5: f2defe6e5a17e41badee1e6e6f665adb
name: F2DEFE6E5A17E41BADEE1E6E6F665ADB.mlw
sha1: 7bb2f4120f5c549af67d4e88ac9f36e35d6e6307
sha256: 1e768badbfd08f36c2af0a42fdac907788b709bfdd8725b6128b882c66820edb
sha512: 4ceb60726a765f7297ef5be954a153e12ca9d597b32c2c9c31aecde84aac584cf84613db85e7899af4a51ffd9e81a1bc5b82873ed47f7d7ba947cd8b1fc3f0d2
ssdeep: 1536:5GrJKNgxxVDWVwV6TRAnXOyhcVo88WcCWV/XJAM:ErJKaVDNVcAnXOVo3WcCWIM
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 0.0.0.0
InternalName: xI.exe
FileVersion: 0.0.0.0
ProductVersion: 0.0.0.0
FileDescription:
OriginalFilename: xI.exe

MSIL/Injector.CGA also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.MSIL.Agent.AFB
FireEye Generic.mg.f2defe6e5a17e41b
Qihoo-360 Win32/Ransom.Blocker.HwMAQI8A
ALYac Trojan.MSIL.Agent.AFB
Malwarebytes MachineLearning/Anomalous.93%
Zillya Trojan.Blocker.Win32.37513
SUPERAntiSpyware Trojan.Agent/Gen-Kazy
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Blocker.f794c671
K7GW Trojan ( 0048fd861 )
K7AntiVirus Trojan ( 0048fd861 )
BitDefenderTheta Gen:NN.ZemsilF.34590.dm0@aq7X53l
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Injector.CGA
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Bladbindi-1
Kaspersky Trojan-Ransom.Win32.Blocker.dfud
BitDefender Trojan.MSIL.Agent.AFB
NANO-Antivirus Trojan.Win32.Blocker.cwybol
Tencent Win32.Trojan.Blocker.Edxm
Ad-Aware Trojan.MSIL.Agent.AFB
Emsisoft Trojan.MSIL.Agent.AFB (B)
Comodo Malware@#39npdgye1ain1
F-Secure Trojan.TR/Dropper.MSIL.Gen
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.qc
Sophos Mal/Generic-R
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.bau
Avira TR/Dropper.MSIL.Gen
MAX malware (ai score=88)
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Arcabit Trojan.MSIL.Agent.AFB
ZoneAlarm Trojan-Ransom.Win32.Blocker.dfud
GData Trojan.MSIL.Agent.AFB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Kazy.C225189
McAfee GenericRXMI-EH!F2DEFE6E5A17
TACHYON Ransom/W32.DN-Blocker.52736
VBA32 TScope.Trojan.MSIL
Cylance Unsafe
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Kazy!TD73TEsFRhs
Ikarus Trojan.MSIL.Crypt
Fortinet MSIL/Injector.CGA
AVG Win32:Trojan-gen
Cybereason malicious.e5a17e
Panda Generic Malware
MaxSecure Trojan.Malware.2588.susgen

How to remove MSIL/Injector.CGA 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.CGA 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:

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