MSIL/Autorun.Agent.LL

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

What is MSIL/Autorun.Agent.LL infection?

In this article you will certainly discover concerning the interpretation of MSIL/Autorun.Agent.LL and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom by a victim.

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Most of the situations, MSIL/Autorun.Agent.LL infection will certainly instruct its sufferers to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the victim’s gadget.

MSIL/Autorun.Agent.LL Summary

These adjustments can be as follows:

  • 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.;
  • 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.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the files located on the target’s hard disk — so the sufferer can no more use the information;
  • Preventing routine access 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/Autorun.Agent.LL

The most normal channels whereby MSIL/Autorun.Agent.LL Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a source that organizes a harmful software application;

As quickly as the Trojan is effectively infused, it will either cipher the data on the sufferer’s computer or prevent the gadget from functioning in an appropriate fashion – while additionally placing a ransom note that points out the demand for the targets to impact the payment for the function of decrypting the files or restoring the file system back to the initial problem. In the majority of circumstances, the ransom note will certainly turn up when the client reboots the PC after the system has actually currently been harmed.

MSIL/Autorun.Agent.LL distribution networks.

In numerous edges of the world, MSIL/Autorun.Agent.LL expands by jumps as well as bounds. Nonetheless, the ransom money notes and methods of extorting the ransom money amount might vary relying on certain regional (local) setups. The ransom notes as well as methods of extorting the ransom amount might differ depending on specific local (regional) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In specific areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications allowed on the target’s device. The alert after that demands the user to pay the ransom.

    Faulty declarations about prohibited material.

    In countries where software piracy is much less preferred, this technique is not as efficient for the cyber frauds. Additionally, the MSIL/Autorun.Agent.LL popup alert might falsely declare to be stemming from a law enforcement establishment and will report having located child porn or various other illegal data on the gadget.

    MSIL/Autorun.Agent.LL popup alert may incorrectly claim to be deriving from a law enforcement establishment and also will certainly report having situated child pornography or other prohibited information on the device. The alert will in a similar way include a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: EC1F8D2E
md5: 21648846de1b6dd1c4adfdb583b07f4e
name: 21648846DE1B6DD1C4ADFDB583B07F4E.mlw
sha1: 6b923bd7922e2e9f175b092a0a59c57cd9025c5d
sha256: 91cf826f570d89f0924bfbfe27ba3042c56d6cebae76f407c8062d0d32d88c03
sha512: 7d68f255b028b1269130bec3280ff95ec8c7fd25310ab9128b4f9223061fdc86b3dbbedf2f0099ac9bfcde8747f5ce7a3cd6d9d5e4b298f4c573cd57aeaaf727
ssdeep: 1536:nBr5fr2dUbVCf1SB4K3veg+1jjqZJIX8mtpzeLPdyVYkQ:zJb81S33vegKaIX8cpzeLRJ
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2012
Assembly Version: 0.0.0.0
InternalName: mse.exe
FileVersion: 0.0.0.0
CompanyName: xa9 Microsoft . All rights reserved.
Comments: xa9 Microsoft Security
ProductName: Microsoft Security
ProductVersion: 0.0.0.0
FileDescription: Mse
OriginalFilename: mse.exe

MSIL/Autorun.Agent.LL also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
Cynet Malicious (score: 99)
ALYac Trojan.Ransom.CryptConsole
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Backdoor:MSIL/Androm.8610ea2c
K7GW Riskware ( 0040eff71 )
Cybereason malicious.6de1b6
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Autorun.Agent.LL
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Backdoor.MSIL.Androm.gen
BitDefender Gen:Variant.Ransom.CryptConsole.19
MicroWorld-eScan Gen:Variant.Ransom.CryptConsole.19
Tencent Msil.Worm.Autorun.Hooi
Ad-Aware Gen:Variant.Ransom.CryptConsole.19
Sophos Mal/Generic-S
Comodo Malware@#iarm2d82dp7w
BitDefenderTheta Gen:NN.ZemsilF.34678.dm0@auHN9!m
McAfee-GW-Edition BehavesLike.Win32.Generic.qc
FireEye Generic.mg.21648846de1b6dd1
Emsisoft Gen:Variant.Ransom.CryptConsole.19 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_99%
Microsoft Backdoor:Win32/Bladabindi!ml
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Ransom.CryptConsole.19
McAfee Artemis!21648846DE1B
MAX malware (ai score=99)
VBA32 TScope.Trojan.MSIL
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/GdSda.A
Rising Dropper.Generic!8.35E (CLOUD)
Yandex Trojan.Agent!xaylkp82JK4
Ikarus Trojan.MSIL.NanoCore
Fortinet W32/Generic!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove MSIL/Autorun.Agent.LL virus?

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/Autorun.Agent.LL 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/Autorun.Agent.LL 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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