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

What is MSIL/Spy.Keylogger.EJ infection?

In this short article you will discover regarding the interpretation of MSIL/Spy.Keylogger.EJ as well as its unfavorable effect on your computer system. Such ransomware are a kind of malware that is elaborated by online scams to require paying the ransom by a target.

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In the majority of the instances, MSIL/Spy.Keylogger.EJ virus will instruct its targets to launch funds move for the objective of counteracting the changes that the Trojan infection has actually introduced to the target’s tool.

MSIL/Spy.Keylogger.EJ Summary

These adjustments can be as adheres to:

  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the sufferer’s disk drive — so the victim can no more make use of the information;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains Ransom:Win32/Blocker.2b1df7c4 Ransom:Win32/Blocker.2b1df7c4


One of the most typical channels whereby MSIL/Spy.Keylogger.EJ Trojans are infused are:

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

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s computer or prevent the tool from functioning in a proper fashion – while also putting a ransom money note that mentions the requirement for the sufferers to effect the repayment for the function of decrypting the files or recovering the file system back to the preliminary problem. In many instances, the ransom money note will show up when the client restarts the COMPUTER after the system has already been damaged.

MSIL/Spy.Keylogger.EJ distribution networks.

In numerous corners of the world, MSIL/Spy.Keylogger.EJ expands by jumps and bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom money quantity may differ depending on specific regional (local) settings. The ransom notes and also tricks of extorting the ransom money quantity may vary depending on specific neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s gadget. The sharp after that demands the customer to pay the ransom.

    Faulty declarations concerning prohibited content.

    In countries where software piracy is much less popular, this approach is not as efficient for the cyber scams. Conversely, the MSIL/Spy.Keylogger.EJ popup alert might wrongly assert to be deriving from a law enforcement establishment as well as will report having located child pornography or various other unlawful information on the tool.

    MSIL/Spy.Keylogger.EJ popup alert might falsely claim to be deriving from a law enforcement establishment as well as will certainly report having located youngster porn or various other unlawful information on the tool. The alert will in a similar way have a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: C7B0CB68
md5: f31f0c71f0f1bf25bc8cd278492b6248
name: F31F0C71F0F1BF25BC8CD278492B6248.mlw
sha1: 2f276a0c905a2720001161ed5efff6bdf8cae982
sha256: 63840b8e824d0b6d317f5c2d60da18299fc1d638c0eb735e2366d3b20d20244c
sha512: aed33896be036050b06b89e4cb3c92a5a635a35651fda4f12892de622445befcd187ee19c280070a2b2abf66679429da218a193762ee0df901db3c6090490f51
ssdeep: 384:dvKq4nxVEL1/PxpVR7Las+gdOz6LTCf/xkGiEY2u4:lux0/PVR7LasKzfaMu4
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: SNOMRCuCgHsJNPH
Assembly Version:
InternalName: yomomma.exe
CompanyName: fLiBNBysLIeOZeb
Comments: DrMDtHRBznnPXjM
ProductName: mEFabkJpTiPVowm
FileDescription: BlszQqqGvyqPsXV
OriginalFilename: yomomma.exe

MSIL/Spy.Keylogger.EJ also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 700000121 )
Elastic malicious (high confidence)
Cynet Malicious (score: 99)
ALYac Gen:Heur.MSIL.Krypt.44
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Alibaba Ransom:Win32/Blocker.2b1df7c4
K7GW Trojan ( 700000121 )
Cybereason malicious.1f0f1b
Cyren W32/MSIL_Troj.E.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Spy.Keylogger.EJ
APEX Malicious
Avast Win32:Stealer-CZ [Trj]
Kaspersky Trojan-Ransom.Win32.Blocker.jfqk
BitDefender Gen:Heur.MSIL.Krypt.44
NANO-Antivirus Trojan.Win32.Blocker.fijwvd
MicroWorld-eScan Gen:Heur.MSIL.Krypt.44
Tencent Win32.Trojan.Blocker.Dztf
Ad-Aware Gen:Heur.MSIL.Krypt.44
BitDefenderTheta Gen:NN.ZemsilF.34692.bm0@aa5CUB
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
Emsisoft Gen:Heur.MSIL.Krypt.44 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Spy.Gen
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.2829CB5
Microsoft Backdoor:Win32/Bladabindi!ml
AegisLab Trojan.Win32.Blocker.4!c
GData Gen:Heur.MSIL.Krypt.44
McAfee Artemis!F31F0C71F0F1
MAX malware (ai score=100)
VBA32 TrojanRansom.Blocker
Panda Trj/CI.A
Rising Spyware.KeyLogger!1.CA52 (CLASSIC)
Ikarus Trojan-Spy
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/KeyLogger.BS!tr.pws
AVG Win32:Stealer-CZ [Trj]

How to remove MSIL/Spy.Keylogger.EJ ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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/Spy.Keylogger.EJ 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/Spy.Keylogger.EJ 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

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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