MSIL/LockScreen.FZ

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.

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.xyz Win32/Ransom.Gimemo.HwMAOu8A
a.tomx.xyz Win32/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: 0837260Cmd5: d6d84e71daa80c31df85fa6449b2c53aname: D6D84E71DAA80C31DF85FA6449B2C53A.mlwsha1: 41346c218c25f7d42a099075b0b0ca07bd38efe8sha256: 1e9946b90de36e098166ba8273f9f40f88fac5aa3e4cd4fc7dd928f07ed73f64sha512: e5afd2586eeedb3c0934f91275e01bac0fd169ea9f006338245ee0282a44b2de1889dac6a04a253fe363a0821bdfe5e9452c8967f93b840fce52e2de5eef60fbssdeep: 3072:jD57bBF8LBoCJ6Gkgp/JgxKk5tPu6zsMRMpxvYF8LBoCG:jDVbfekgp/Jgxp5tPu6z7m8type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2013Assembly Version: 1.0.0.0InternalName: YAMAHAM4CL48DIGITALDELAYWORKERANDGUI.exeFileVersion: 1.0.0.0ProductName: YAMAHAM4CL48DIGITALDELAYWORKERANDGUIProductVersion: 1.0.0.0FileDescription: YAMAHAM4CL48DIGITALDELAYWORKERANDGUIOriginalFilename: YAMAHAM4CL48DIGITALDELAYWORKERANDGUI.exe

MSIL/LockScreen.FZ also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Variant.MSILPerseus.222507
FireEye Generic.mg.d6d84e71daa80c31
Qihoo-360 Win32/Ransom.Gimemo.HwMAOu8A
ALYac Gen:Variant.MSILPerseus.222507
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 700000121 )
BitDefender Gen:Variant.MSILPerseus.222507
K7GW Trojan ( 700000121 )
Cybereason malicious.1daa80
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast MSIL:Injector-CZ [Trj]
Kaspersky Trojan-Ransom.Win32.Gimemo.bfqm
Alibaba Ransom:Win32/Gimemo.6f2631d4
NANO-Antivirus Trojan.Win32.Gimemo.bytiem
AegisLab Trojan.Win32.Gimemo.j!c
Tencent Win32.Trojan.Gimemo.Wtnk
Ad-Aware Gen:Variant.MSILPerseus.222507
Emsisoft Gen:Variant.MSILPerseus.222507 (B)
Comodo Malware@#1s1j8cfx7amwu
F-Secure Heuristic.HEUR/AGEN.1124755
DrWeb Trojan.KillProc.27648
McAfee-GW-Edition BehavesLike.Win32.Generic.nc
Sophos Mal/Generic-S
Ikarus Trojan-Ransom.Gimemo
Avira HEUR/AGEN.1124755
Antiy-AVL Trojan[Ransom]/Win32.Gimemo
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Tiggre!rfn
Gridinsoft Ransom.Win32.LockScreen.sa
Arcabit Trojan.MSILPerseus.D3652B
ZoneAlarm Trojan-Ransom.Win32.Gimemo.bfqm
GData Gen:Variant.MSILPerseus.222507
Cynet Malicious (score: 85)
McAfee Artemis!D6D84E71DAA8
MAX malware (ai score=83)
Malwarebytes Generic.Malware/Suspicious
Panda Trj/CI.A
ESET-NOD32 a variant of MSIL/LockScreen.FZ
Rising Ransom.Gimemo!8.306 (CLOUD)
Yandex Trojan.Gimemo!T4JJyrup/5s
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Gimemo.BFQM!tr
BitDefenderTheta Gen:NN.ZemsilF.34608.gm0@am13Dkd
AVG MSIL:Injector-CZ [Trj]
Paloalto generic.ml
CrowdStrike win/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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove MSIL/LockScreen.FZ you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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