MSIL/Agent.UKZ

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

What is MSIL/Agent.UKZ infection?

In this short article you will certainly discover about the interpretation of MSIL/Agent.UKZ as well as its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to require paying the ransom by a target.

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Most of the instances, MSIL/Agent.UKZ virus will certainly advise its targets to launch funds transfer for the function of counteracting the modifications that the Trojan infection has presented to the sufferer’s gadget.

MSIL/Agent.UKZ Summary

These modifications 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.
  • A process attempted to delay the analysis task.;
  • 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
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • The sample wrote data to the system hosts file.;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the sufferer’s disk drive — so the victim can no more make use of the information;
  • Preventing routine accessibility to the sufferer’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/Agent.UKZ

One of the most typical networks where MSIL/Agent.UKZ are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of user winding up on a source that hosts a malicious software application;

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or avoid the device from operating in a correct fashion – while also putting a ransom note that mentions the need for the targets to impact the payment for the function of decrypting the documents or bring back the documents system back to the first problem. In many circumstances, the ransom money note will certainly turn up when the client restarts the PC after the system has already been harmed.

MSIL/Agent.UKZ circulation networks.

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

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications enabled on the target’s gadget. The sharp after that requires the individual to pay the ransom.

    Faulty statements about prohibited content.

    In nations where software piracy is much less prominent, this approach is not as efficient for the cyber frauds. Additionally, the MSIL/Agent.UKZ popup alert may incorrectly claim to be originating from a police organization and also will certainly report having located youngster pornography or various other illegal data on the tool.

    MSIL/Agent.UKZ popup alert might wrongly assert to be obtaining from a law enforcement establishment as well as will report having situated kid porn or various other unlawful data on the gadget. The alert will likewise contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 9A221DAD
md5: a967c13dc03b0e44fd517677ccf233c1
name: A967C13DC03B0E44FD517677CCF233C1.mlw
sha1: c74bf9a8873e4d1b690614df8685caea72a59656
sha256: d897ce47371b7d70a574a5b239b3f5cafa017ad7d21de93ccef7b937b183223e
sha512: f7b1d046ebcbc3eb7be5d1808f052fe00de050702b93d4523aabb27df29239339bbc6d06dc03e10c911fd620aaa203acdcba9c773e030d9e57122f8acf5aa65b
ssdeep: 384:RESy33ZzFFxdqRuhsFXilmszDDtgyo+nooo++S:R6xxdqRYmW7tVo+noo4S
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2016
Assembly Version: 1.0.0.0
InternalName: pornBlocker.exe
FileVersion: 1.0.0.0
CompanyName: SmartSoft, TN.
LegalTrademarks: SmartSoft
ProductName: pornBlocker
ProductVersion: 1.0.0.0
FileDescription: pornBlocker
OriginalFilename: pornBlocker.exe

MSIL/Agent.UKZ also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 0057ac8f1 )
ZillyaTrojan.Blocker.Win32.71307
CrowdStrikewin/malicious_confidence_80% (W)
K7GWTrojan ( 0057ac8f1 )
Cybereasonmalicious.8873e4
ESET-NOD32a variant of MSIL/Agent.UKZ
APEXMalicious
KasperskyHEUR:Trojan-Ransom.MSIL.Blocker.gen
AlibabaTrojan:MSIL/Blocker.af3890d1
BitDefenderThetaGen:NN.ZemsilF.34678.gm0@auQY3Pd
McAfee-GW-EditionArtemis!Trojan
SentinelOneStatic AI – Malicious PE
AviraTR/Agent.rgabt
AhnLab-V3Trojan/Win.Agent.C4414189
McAfeeArtemis!A967C13DC03B
FortinetW32/Blocker.UKZ!tr
Paloaltogeneric.ml

How to remove MSIL/Agent.UKZ 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/Agent.UKZ 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/Agent.UKZ 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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