Written by Robert Bailey

What is MSIL/Injector.CJO infection?

In this article you will find regarding the definition of MSIL/Injector.CJO as well as its unfavorable effect on your computer system. Such ransomware are a type of malware that is elaborated by on the internet scams to demand paying the ransom by a target.

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Most of the situations, MSIL/Injector.CJO infection will instruct its victims to launch funds move for the function of neutralizing the changes that the Trojan infection has actually presented to the victim’s device.

MSIL/Injector.CJO Summary

These alterations can be as complies with:

  • Network activity detected but not expressed in API logs;
  • Ciphering the documents situated on the victim’s hard drive — so the victim can no longer utilize the data;
  • Preventing regular accessibility to the victim’s workstation;


The most regular networks through which MSIL/Injector.CJO are infused are:

  • By methods of phishing emails;
  • As a repercussion of customer ending up on a source that holds a destructive software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or stop the gadget from functioning in a correct manner – while also putting a ransom money note that points out the requirement for the victims to impact the payment for the function of decrypting the records or recovering the data system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has already been harmed.

MSIL/Injector.CJO circulation networks.

In different edges of the globe, MSIL/Injector.CJO grows by jumps and also bounds. However, the ransom money notes as well as techniques of obtaining the ransom money quantity might differ depending on certain regional (regional) setups. The ransom money notes and techniques of extorting the ransom amount may differ depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually found some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the user to pay the ransom money.

    Faulty statements concerning prohibited web content.

    In countries where software piracy is much less preferred, this approach is not as effective for the cyber scams. Conversely, the MSIL/Injector.CJO popup alert may incorrectly declare to be stemming from a law enforcement establishment and will certainly report having located kid pornography or various other unlawful information on the gadget.

    MSIL/Injector.CJO popup alert might falsely assert to be deriving from a regulation enforcement establishment and also will certainly report having located child porn or various other prohibited data on the tool. The alert will in a similar way consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 933F9A29
md5: 8a0a96b07acad18a72089ae2c876d70d
name: 8A0A96B07ACAD18A72089AE2C876D70D.mlw
sha1: d18f0302ef4cef4f603f2ba9ad1470576f571989
sha256: 1a2508804beaa5bd89d50625285cce59f68b796a72d746787841a57dfaee1cac
sha512: d7665cf7d481407ca23987b01bff2fb3841162b5f61f06e676d801370dcc1cc81aeb9c3b8a66384d0790b044b35f37715cd040ae2bb013fd78b7a913f0cefa65
ssdeep: 1536:DShdSbm2QSJaC4F+ZfmOGty2N8VBDCJ2IMGb6F2WW5MeGD7BKb7+it2Z9:qdk3c3FuTo6UWWH2l
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Sxe01x43axe30x1167xe22x443gjx642x3c1x43cx3baux685cx3b8yx6a9x646xe43sx45dxe07ax434x43axe32x459_x3b5
Assembly Version:
InternalName: Assembly Changer.exe
CompanyName: H8xe30xe43xe37xe32x639x45dx110ex21165?x433x440x8x2116x6ccx308cx45dTx445ax3c4x3c8/x8868x62cx447xe1c
LegalTrademarks: x3b4z#5xe48x6c1x458IpBx3c4dxc1fcVx435x3b9x958b8x447bxe46s378md*x1106/
Comments: xe1cx1103x634Y#CqOx3c5x3b3x1161x1166x82b1I1x1110x3b1^9x3b7axe23x110bx6cc1x3c9xe01xe1dxe41Xx437
ProductName: ^x442x685cRDx306ejx3b5dx431x685cx438=x43cx3c0x685cx3bcsx458x43aFx2116x62cxe27Vxe41x6a9x459*m
FileDescription: JUx110eRwxe48x1110x958bx1106xe43x4413x110bxe32rx445Vx62cx305bxe35Wt5x82b12)x3b3xe17x3055
OriginalFilename: Assembly Changer.exe

MSIL/Injector.CJO also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 700000121 )
Lionic Trojan.Win32.Generic.mzOn
Elastic malicious (high confidence)
DrWeb Trojan.Starter.2890
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.RFC.S13563442
ALYac Gen:Variant.Ransom.Samas.9
Cylance Unsafe
Sangfor Virus.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanDownloader:MSIL/Ranos.8a29e687
K7GW Trojan ( 700000121 )
Cybereason malicious.07acad
Baidu MSIL.Trojan.Injector.q
ESET-NOD32 a variant of MSIL/Injector.CJO
APEX Malicious
Avast MSIL:GenMalicious-AUN [Trj]
ClamAV Win.Packed.Fecn-7077459-0
Kaspersky HEUR:Trojan.MSIL.Agent.gen
BitDefender Gen:Variant.Ransom.Samas.9
NANO-Antivirus Trojan.Win32.Disfa.dkkgvm
MicroWorld-eScan Gen:Variant.Ransom.Samas.9
Tencent Msil.Trojan.Agent.Dzju
Ad-Aware Gen:Variant.Ransom.Samas.9
Sophos Mal/Generic-R + Troj/MSIL-EHX
Comodo TrojWare.MSIL.TrojanDownloader.Small.DS@6ldchl
BitDefenderTheta Gen:NN.ZemsilF.34236.im0@a0lYefp
VIPRE Backdoor.MSIL.Bladabindi.a (v)
McAfee-GW-Edition Trojan-FDUD!8A0A96B07ACA
Emsisoft Trojan.Agent (A)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.MSIL.krau
Avira TR/Dropper.MSIL.Gen
Antiy-AVL Trojan/Generic.ASMalwS.29E3851
Microsoft TrojanDownloader:MSIL/Ranos.A
ZoneAlarm HEUR:Trojan.MSIL.Agent.gen
GData Gen:Variant.Ransom.Samas.9
McAfee Trojan-FDUD!8A0A96B07ACA
MAX malware (ai score=85)
VBA32 TScope.Trojan.MSIL
Malwarebytes Backdoor.Agent.ASMGen
Panda Trj/GdSda.A
TrendMicro-HouseCall BKDR_RANOS.SM1
Yandex Trojan.Agent!VUe4UjlOQPw
Ikarus Trojan.Win32.Ibashade
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Injector.CKC!tr
AVG MSIL:GenMalicious-AUN [Trj]

How to remove MSIL/Injector.CJO 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.CJO 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.CJO you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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