MSIL/LockScreen.HF

What is MSIL/LockScreen.HF infection?

In this post you will certainly find regarding the meaning of MSIL/LockScreen.HF and also its adverse impact on your computer system. Such ransomware are a kind of malware that is elaborated by online scams to demand paying the ransom by a target.

In the majority of the situations, MSIL/LockScreen.HF virus will advise its sufferers to start funds transfer for the objective of reducing the effects of the changes that the Trojan infection has actually presented to the target’s gadget.

MSIL/LockScreen.HF Summary

These modifications 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Crashed cuckoomon during analysis. Report this error to the Github repo.;
  • 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 papers found on the victim’s hard drive — so the target can no longer utilize the information;
  • Preventing normal accessibility to the victim’s workstation;

MSIL/LockScreen.HF

The most common networks where MSIL/LockScreen.HF Ransomware are infused are:

  • By methods of phishing emails;
  • As a repercussion of customer winding up on a source that hosts a malicious software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s computer or protect against the tool from working in an appropriate fashion – while also placing a ransom money note that discusses the demand for the targets to impact the settlement for the objective of decrypting the documents or recovering the file system back to the first problem. In many circumstances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has currently been harmed.

MSIL/LockScreen.HF distribution channels.

In numerous corners of the world, MSIL/LockScreen.HF expands by jumps and also bounds. However, the ransom notes as well as techniques of obtaining the ransom amount may vary depending upon certain regional (local) settings. The ransom notes and tricks of obtaining the ransom money quantity might vary depending on particular regional (local) settings.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having spotted some unlicensed applications enabled on the sufferer’s gadget. The alert then demands the individual to pay the ransom.

    Faulty declarations concerning prohibited material.

    In countries where software piracy is less popular, this method is not as reliable for the cyber frauds. Conversely, the MSIL/LockScreen.HF popup alert may incorrectly claim to be deriving from a police organization as well as will report having situated child porn or various other unlawful data on the gadget.

    MSIL/LockScreen.HF popup alert might wrongly assert to be obtaining from a legislation enforcement organization and also will report having situated child porn or other prohibited information on the gadget. The alert will in a similar way contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 31352AD3md5: 97a3ec09abd6277bc198a8e841bee7d4name: 97A3EC09ABD6277BC198A8E841BEE7D4.mlwsha1: 553d9ec48fc5b8df4df2c2777b7580f9c638435esha256: 4ba14c9f64a5a6eec81f145d8efaa25e4fdb3fb5aa67414861bddcd77294b682sha512: 0a286608758934454ccd4555645df4954c96acfb6d8818f416a111f1810de90481d7ea5c4a7a3a2c9a62544952d8f67dd63b039f69e76e90843759bb169a0bc4ssdeep: 3072:RdQCou6Go2ou6GorY5Y2nDSLQJtawt9/gW:dDsY5YKD0Q/aq9type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2013Assembly Version: 1.0.0.0InternalName: act.exeFileVersion: 1.0.0.0ProductName: MULTITAPPROCESSORLIBProductVersion: 1.0.0.0FileDescription: MULTITAPPROCESSORLIBOriginalFilename: act.exe

MSIL/LockScreen.HF also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 700000121 )
DrWeb Trojan.KillProc.28062
Cynet Malicious (score: 99)
ALYac Gen:Variant.MSILPerseus.218238
Cylance Unsafe
Zillya Trojan.LockScreen.Win32.10343
Alibaba Ransom:MSIL/Gimemo.f53d952e
K7GW Trojan ( 700000121 )
Cybereason malicious.9abd62
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/LockScreen.HF
APEX Malicious
Avast MSIL:LockScreen-AI [Trj]
Kaspersky Trojan-Ransom.Win32.Gimemo.bgny
BitDefender Gen:Variant.MSILPerseus.218238
NANO-Antivirus Trojan.Win32.Gimemo.cdqagx
MicroWorld-eScan Gen:Variant.MSILPerseus.218238
Tencent Win32.Trojan.Gimemo.Huzb
Ad-Aware Gen:Variant.MSILPerseus.218238
Sophos Mal/Generic-S
Comodo Malware@#2aykskl2kx7ne
BitDefenderTheta Gen:NN.ZemsilF.34690.gm0@aKkWadb
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
FireEye Gen:Variant.MSILPerseus.218238
Emsisoft Gen:Variant.MSILPerseus.218238 (B)
Jiangmin Trojan/Gimemo.hek
Avira HEUR/AGEN.1130182
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.37D936
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:MSIL/Genasom
GData Gen:Variant.MSILPerseus.218238
AhnLab-V3 Trojan/Win32.Gimemo.R77409
McAfee Artemis!97A3EC09ABD6
MAX malware (ai score=100)
VBA32 Trojan.MSIL.gen.16
Panda Trj/CI.A
Rising Ransom.Genasom!8.293 (CLOUD)
Ikarus Trojan-Ransom.Gimemo
Fortinet W32/Gimemo.BGNY!tr
AVG MSIL:LockScreen-AI [Trj]
Paloalto generic.ml

How to remove MSIL/LockScreen.HF virus?

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.HF 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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