Trojan:MSIL/Confuser.UI

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

What is Trojan:MSIL/Confuser.UI infection?

In this article you will certainly discover concerning the definition of Trojan:MSIL/Confuser.UI and its adverse influence on your computer. Such ransomware are a form of malware that is clarified by on the internet scams to require paying the ransom money by a target.

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Most of the situations, Trojan:MSIL/Confuser.UI virus will certainly instruct its sufferers to initiate funds transfer for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s device.

Trojan:MSIL/Confuser.UI Summary

These modifications can be as adheres to:

  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • 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.
  • Creates a copy of itself;
  • Ciphering the documents found on the victim’s hard disk — so the sufferer can no longer use the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Trojan:MSIL/Confuser.UI

One of the most regular networks through which Trojan:MSIL/Confuser.UI Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a resource that holds a harmful software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the target’s PC or avoid the gadget from operating in a correct fashion – while additionally putting a ransom money note that mentions the requirement for the victims to impact the settlement for the function of decrypting the records or restoring the documents system back to the preliminary problem. In most instances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has currently been harmed.

Trojan:MSIL/Confuser.UI distribution networks.

In different edges of the globe, Trojan:MSIL/Confuser.UI expands by leaps and bounds. However, the ransom notes as well as tricks of obtaining the ransom money quantity might differ depending on certain local (regional) setups. The ransom money notes as well as tricks of extorting the ransom money amount may differ depending on certain regional (local) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software application.

    In particular locations, the Trojans commonly wrongfully report having detected some unlicensed applications enabled on the target’s tool. The alert after that demands the individual to pay the ransom money.

    Faulty statements regarding illegal web content.

    In countries where software piracy is less preferred, this method is not as effective for the cyber frauds. Additionally, the Trojan:MSIL/Confuser.UI popup alert may incorrectly declare to be originating from a law enforcement institution and will report having located child pornography or other unlawful data on the tool.

    Trojan:MSIL/Confuser.UI popup alert might wrongly claim to be acquiring from a law enforcement organization and also will report having located youngster pornography or various other unlawful information on the gadget. The alert will similarly have a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: FF9C7856
md5: b0152e7c164fff8da188ae5a54e9cb31
name: B0152E7C164FFF8DA188AE5A54E9CB31.mlw
sha1: 275ac64a12289092dc4213f90e90884da3074efe
sha256: 1de6ece9ccddd74d4b667e83f39f9d3fe6c2c2ca991f1f837eb60d17259df1fe
sha512: dc6d8bc2cb709615c53a9e595ed9e1622c31eb8c108c33d641fde6db158cd7b287e48b03a95306eb1f823256193d90d3cf7f37dcc2d4476331d04e851929a9bb
ssdeep: 12288:iJ5UlFroFYmrkY/ZE0GUXXQ6M954qM2bnOM7CMYvZdG24AS9235I91MgG83:iJ54teYmr7ueXXQ684qpOMmVBg2c923
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: Copyright(C) 2013 by FtpScripter
InternalName: FtpScripter Editor
FileVersion: 2.0.5.25
CompanyName: Scripter
LegalTrademarks: FtpScripter
ProductName: FtpScripter
ProductVersion: 2.0
FileDescription: FtpScripter Editor
OriginalFilename: FtpScripterEditor.exe
Translation: 0x0409 0x04e4

Trojan:MSIL/Confuser.UI also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanGeneric.MSIL.Ransomware.Jigsaw.46D26714
FireEyeGeneric.mg.b0152e7c164fff8d
ALYacGeneric.MSIL.Ransomware.Jigsaw.46D26714
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0053fc801 )
BitDefenderGeneric.MSIL.Ransomware.Jigsaw.46D26714
K7GWTrojan ( 0053fc801 )
Cybereasonmalicious.c164ff
BitDefenderThetaGen:NN.ZemsilF.34590.Nm0@aS4AZmni
SymantecML.Attribute.HighConfidence
ESET-NOD32multiple detections
APEXMalicious
AvastWin32:PWSX-gen [Trj]
KasperskyHEUR:Trojan-Banker.MSIL.BitStealer.gen
AlibabaTrojanBanker:MSIL/Confuser.871840db
NANO-AntivirusTrojan.Win32.Ransom.euviwc
AegisLabTrojan.Win32.Generic.4!c
RisingRansom.JigsawLocker!8.52DD (CLOUD)
Ad-AwareGeneric.MSIL.Ransomware.Jigsaw.46D26714
EmsisoftGeneric.MSIL.Ransomware.Jigsaw.46D26714 (B)
F-SecureHeuristic.HEUR/AGEN.1109336
DrWebTrojan.MulDrop7.52218
ZillyaTrojan.Generic.Win32.122451
McAfee-GW-EditionBehavesLike.Win32.Generic.jc
SophosMal/Generic-R + Troj/Jigsaw-L
IkarusTrojan.MSIL.NanoCore
JiangminTrojan.Generic.crbsl
MaxSecureTrojan.Malware.300983.susgen
AviraHEUR/AGEN.1109336
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.AGeneric
MicrosoftTrojan:MSIL/Confuser.UI
ArcabitGeneric.MSIL.Ransomware.Jigsaw.46D26714
AhnLab-V3Trojan/Win32.Ransomlock.R217840
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGeneric.MSIL.Ransomware.Jigsaw.46D26714
CynetMalicious (score: 100)
McAfeeArtemis!B0152E7C164F
MalwarebytesMalware.AI.849276241
PandaTrj/GdSda.A
TencentMsil.Trojan-banker.Bitstealer.Pauv
YandexTrojan.Agent!m1H29rK6axc
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetMSIL/CoinStealer.AA!tr.pws
WebrootW32.Trojan.Gen
AVGWin32:PWSX-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_90% (D)
Qihoo-360Win32/Ransom.Generic.HgIASOsA

How to remove Trojan:MSIL/Confuser.UI 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 Trojan:MSIL/Confuser.UI 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 Trojan:MSIL/Confuser.UI 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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