MSIL/LockScreen.FZ

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

What is MSIL/LockScreen.FZ infection?

In this post you will find regarding the interpretation of MSIL/LockScreen.FZ and its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by on-line scams to demand paying the ransom money by a victim.

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In the majority of the instances, MSIL/LockScreen.FZ virus will advise its targets to launch funds move for the function of counteracting the changes that the Trojan infection has actually presented to the victim’s tool.

MSIL/LockScreen.FZ Summary

These modifications can be as complies with:

  • 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.
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the target’s hard disk drive — so the victim can no more utilize the information;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyzWin32/Ransom.Gimemo.HwMAOu8A
a.tomx.xyzWin32/Ransom.Gimemo.HwMAOu8A

MSIL/LockScreen.FZ

One of the most normal networks whereby MSIL/LockScreen.FZ are infused are:

  • By methods of phishing emails;
  • As a repercussion of user winding up on a resource that organizes a malicious software program;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s computer or protect against the device from functioning in a correct manner – while additionally placing a ransom money note that points out the requirement for the targets to impact the repayment for the purpose of decrypting the papers or recovering the documents system back to the initial problem. In a lot of circumstances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually currently been damaged.

MSIL/LockScreen.FZ circulation channels.

In various corners of the globe, MSIL/LockScreen.FZ expands by leaps and bounds. However, the ransom money notes as well as methods of obtaining the ransom quantity may differ depending on certain regional (local) setups. The ransom notes as well as tricks of extorting the ransom money quantity may vary depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s tool. The sharp after that requires the individual to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In countries where software program piracy is less prominent, this approach is not as reliable for the cyber fraudulences. Conversely, the MSIL/LockScreen.FZ popup alert may incorrectly declare to be originating from a police organization as well as will certainly report having located child pornography or other prohibited data on the tool.

    MSIL/LockScreen.FZ popup alert might incorrectly assert to be deriving from a law enforcement institution and also will report having located child pornography or other prohibited data on the gadget. The alert will in a similar way include a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 0837260C
md5: d6d84e71daa80c31df85fa6449b2c53a
name: D6D84E71DAA80C31DF85FA6449B2C53A.mlw
sha1: 41346c218c25f7d42a099075b0b0ca07bd38efe8
sha256: 1e9946b90de36e098166ba8273f9f40f88fac5aa3e4cd4fc7dd928f07ed73f64
sha512: e5afd2586eeedb3c0934f91275e01bac0fd169ea9f006338245ee0282a44b2de1889dac6a04a253fe363a0821bdfe5e9452c8967f93b840fce52e2de5eef60fb
ssdeep: 3072:jD57bBF8LBoCJ6Gkgp/JgxKk5tPu6zsMRMpxvYF8LBoCG:jDVbfekgp/Jgxp5tPu6z7m8
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2013
Assembly Version: 1.0.0.0
InternalName: YAMAHAM4CL48DIGITALDELAYWORKERANDGUI.exe
FileVersion: 1.0.0.0
ProductName: YAMAHAM4CL48DIGITALDELAYWORKERANDGUI
ProductVersion: 1.0.0.0
FileDescription: YAMAHAM4CL48DIGITALDELAYWORKERANDGUI
OriginalFilename: YAMAHAM4CL48DIGITALDELAYWORKERANDGUI.exe

MSIL/LockScreen.FZ also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanGen:Variant.MSILPerseus.222507
FireEyeGeneric.mg.d6d84e71daa80c31
Qihoo-360Win32/Ransom.Gimemo.HwMAOu8A
ALYacGen:Variant.MSILPerseus.222507
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 700000121 )
BitDefenderGen:Variant.MSILPerseus.222507
K7GWTrojan ( 700000121 )
Cybereasonmalicious.1daa80
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastMSIL:Injector-CZ [Trj]
KasperskyTrojan-Ransom.Win32.Gimemo.bfqm
AlibabaRansom:Win32/Gimemo.6f2631d4
NANO-AntivirusTrojan.Win32.Gimemo.bytiem
AegisLabTrojan.Win32.Gimemo.j!c
TencentWin32.Trojan.Gimemo.Wtnk
Ad-AwareGen:Variant.MSILPerseus.222507
EmsisoftGen:Variant.MSILPerseus.222507 (B)
ComodoMalware@#1s1j8cfx7amwu
F-SecureHeuristic.HEUR/AGEN.1124755
DrWebTrojan.KillProc.27648
McAfee-GW-EditionBehavesLike.Win32.Generic.nc
SophosMal/Generic-S
IkarusTrojan-Ransom.Gimemo
AviraHEUR/AGEN.1124755
Antiy-AVLTrojan[Ransom]/Win32.Gimemo
KingsoftWin32.Troj.Generic_a.a.(kcloud)
MicrosoftTrojan:Win32/Tiggre!rfn
GridinsoftRansom.Win32.LockScreen.sa
ArcabitTrojan.MSILPerseus.D3652B
ZoneAlarmTrojan-Ransom.Win32.Gimemo.bfqm
GDataGen:Variant.MSILPerseus.222507
CynetMalicious (score: 85)
McAfeeArtemis!D6D84E71DAA8
MAXmalware (ai score=83)
MalwarebytesGeneric.Malware/Suspicious
PandaTrj/CI.A
ESET-NOD32a variant of MSIL/LockScreen.FZ
RisingRansom.Gimemo!8.306 (CLOUD)
YandexTrojan.Gimemo!T4JJyrup/5s
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/Gimemo.BFQM!tr
BitDefenderThetaGen:NN.ZemsilF.34608.gm0@am13Dkd
AVGMSIL:Injector-CZ [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)

How to remove MSIL/LockScreen.FZ 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/LockScreen.FZ 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/LockScreen.FZ 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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