MSIL/Injector.KOA

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

What is MSIL/Injector.KOA infection?

In this article you will certainly discover concerning the definition of MSIL/Injector.KOA and its unfavorable impact on your computer system. Such ransomware are a kind of malware that is elaborated by online frauds to require paying the ransom money by a victim.

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In the majority of the instances, MSIL/Injector.KOA ransomware will certainly instruct its sufferers to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has introduced to the sufferer’s device.

MSIL/Injector.KOA Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the files located on the sufferer’s hard drive — so the target can no longer utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;

MSIL/Injector.KOA

The most normal channels where MSIL/Injector.KOA Trojans are injected are:

  • By methods of phishing e-mails;
  • As a repercussion of individual winding up on a source that holds a harmful software program;

As quickly as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or stop the device from working in a proper fashion – while also positioning a ransom note that mentions the need for the sufferers to effect the payment for the function of decrypting the files or bring back the file system back to the first problem. In a lot of instances, the ransom note will come up when the client reboots the PC after the system has currently been harmed.

MSIL/Injector.KOA distribution channels.

In different edges of the globe, MSIL/Injector.KOA grows by jumps and also bounds. However, the ransom money notes and methods of obtaining the ransom quantity might differ relying on specific neighborhood (local) setups. The ransom notes as well as tricks of extorting the ransom amount may vary depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software.

    In certain locations, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the target’s tool. The sharp after that requires the user to pay the ransom money.

    Faulty statements regarding illegal material.

    In countries where software application piracy is less prominent, this approach is not as effective for the cyber scams. Additionally, the MSIL/Injector.KOA popup alert may falsely claim to be deriving from a police institution and will report having located child pornography or other prohibited data on the device.

    MSIL/Injector.KOA popup alert might incorrectly assert to be obtaining from a regulation enforcement establishment and will certainly report having located youngster pornography or other illegal information on the device. The alert will likewise include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: A43CCD41
md5: 37535d77a4f728740fcfa92515dd156d
name: 37535D77A4F728740FCFA92515DD156D.mlw
sha1: b467f5c2c1c416efb85b27f337c9e2c6841844a3
sha256: 437a90e3d949be7b45662a9e371ebd91d897128943a62478f8bf9853139bcd3c
sha512: 24c298c0b09057e9ccef3c2881f98061f361bd8e779f169df4deb468e48283778dea3e0631e5576498862bd5dc9e08db9c10ae9427b49408e5c70980729dcf2d
ssdeep: 6144:LdSK04ETTZ+4TBpvjLCYNqCd3Y4M8WwEOsrMq:LoL4EnU4T/vjLdB3YZ8WwAR
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

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

MSIL/Injector.KOA also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
ALYacGen:Variant.Ransom.JobCrypter.5
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:MSIL/Injector.c2dec0d2
CyrenW32/Symmi.O.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Injector.KOA
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyVHO:Backdoor.MSIL.SpyGate.gen
BitDefenderGen:Variant.Ransom.JobCrypter.5
NANO-AntivirusTrojan.Win32.Ransom.fgacyp
MicroWorld-eScanGen:Variant.Ransom.JobCrypter.5
TencentWin32.Trojan.Dropper.Ljkd
Ad-AwareGen:Variant.Ransom.JobCrypter.5
SophosMal/Generic-S
ComodoMalware@#3c1hkmf2ohcw3
BitDefenderThetaGen:NN.ZexaF.34758.qq0@a46cN!g
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.37535d77a4f72874
EmsisoftGen:Variant.Ransom.JobCrypter.5 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Dropper.Gen
eGambitUnsafe.AI_Score_99%
MicrosoftBackdoor:Win32/Bladabindi!ml
ArcabitTrojan.Ransom.JobCrypter.5
GDataGen:Variant.Ransom.JobCrypter.5
AhnLab-V3Malware/Win32.Generic.C2673752
Acronissuspicious
McAfeeArtemis!37535D77A4F7
MAXmalware (ai score=82)
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/GdSda.A
RisingTrojan.Generic@ML.99 (RDML:OTNF2pKXxW5/fts05dhMSQ)
YandexTrojan.Injector!VX9ouA1XADY
IkarusTrojan.MSIL.Injector
FortinetMSIL/Injector.KOA!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove MSIL/Injector.KOA virus?

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.KOA 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.KOA 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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