Win32/LockScreen.AHP

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

What is Win32/LockScreen.AHP infection?

In this short article you will certainly find regarding the definition of Win32/LockScreen.AHP as well as its negative impact on your computer system. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom money by a target.

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Most of the situations, Win32/LockScreen.AHP infection will certainly advise its targets to initiate funds move for the function of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s tool.

Win32/LockScreen.AHP Summary

These adjustments can be as follows:

  • 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 created a hidden window;
  • Unconventionial language used in binary resources: Russian;
  • The executable is compressed using UPX;
  • Crashed cuckoomon during analysis. Report this error to the Github repo.;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s hard disk — so the sufferer can no longer utilize the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/LockScreen.AHP

The most normal networks whereby Win32/LockScreen.AHP are injected are:

  • By methods of phishing emails;
  • As a consequence of individual winding up on a source that hosts a malicious software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s computer or avoid the gadget from working in a correct fashion – while likewise putting a ransom money note that discusses the demand for the targets to impact the settlement for the objective of decrypting the records or recovering the file system back to the preliminary condition. In a lot of circumstances, the ransom note will come up when the customer restarts the PC after the system has actually currently been harmed.

Win32/LockScreen.AHP circulation networks.

In numerous corners of the globe, Win32/LockScreen.AHP grows by leaps as well as bounds. However, the ransom notes and methods of extorting the ransom money quantity may vary relying on particular neighborhood (local) settings. The ransom money notes and also methods of extorting the ransom amount may differ depending on certain regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having identified some unlicensed applications made it possible for on the sufferer’s gadget. The sharp after that demands the customer to pay the ransom.

    Faulty statements about illegal content.

    In countries where software program piracy is much less preferred, this method is not as efficient for the cyber frauds. Additionally, the Win32/LockScreen.AHP popup alert might falsely claim to be originating from a police organization as well as will report having located child pornography or other unlawful information on the tool.

    Win32/LockScreen.AHP popup alert might falsely declare to be acquiring from a regulation enforcement institution and also will report having situated child pornography or other illegal data on the tool. The alert will likewise contain a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 65FBCE62
md5: 8dbe17773756a56880f8356fc0feb61d
name: 8DBE17773756A56880F8356FC0FEB61D.mlw
sha1: 58ad2881565d3adfcd6ba0a967f01f0a3d2c3df8
sha256: 89da3c914a3488fc2b9ca2929ddf8ba4bb60a292f25c3f9c6d5db6f9e01e8628
sha512: b7f2e6135a9e01d2cf6bbba2cbee58b38787c49848d3bb757acee6bd455c4f515830dbe94dbf3a9c3467a0ef8f4b7f06207063fa10e52cd8ae52863eb4197da9
ssdeep: 6144:5cXeOv/d/ufpjx2DsCdg1bJs/vq5YvlrhiDTf/tcD9Rbhiykqb9J8MebsLBRjQR:6eOvOx2Dkh1BwbhH8tbsLbQH
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/LockScreen.AHP also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004bcce41 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.3724
Cynet Malicious (score: 100)
ALYac Gen:Trojan.Heur3.LPT.EmW@aedozGdcb
Cylance Unsafe
Zillya Trojan.Blocker.Win32.126
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/LockScreen.c03e56ac
K7GW Trojan ( 004bcce41 )
Cybereason malicious.73756a
Cyren W32/Banker.BL.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/LockScreen.AHP
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Agent-336904
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Trojan.Heur3.LPT.EmW@aedozGdcb
NANO-Antivirus Trojan.Win32.Trojan-Ransom.duhbt
ViRobot Trojan.Win32.A.Blocker.495104
MicroWorld-eScan Gen:Trojan.Heur3.LPT.EmW@aedozGdcb
Tencent Win32.Trojan.Lockscreen.Eeru
Ad-Aware Gen:Trojan.Heur3.LPT.EmW@aedozGdcb
Sophos Mal/Generic-S + Troj/Necurs-DW
Comodo Packed.Win32.MUPX.Gen@24tbus
BitDefenderTheta AI:Packer.7E8E874921
TrendMicro TROJ_AGENT_019442.TOMB
McAfee-GW-Edition BehavesLike.Win32.Autorun.gm
FireEye Generic.mg.8dbe17773756a568
Emsisoft Gen:Trojan.Heur3.LPT.EmW@aedozGdcb (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira TR/Crypt.ULPM.Gen
eGambit Unsafe.AI_Score_100%
Microsoft Ransom:Win32/LockScreen.BD
GData Gen:Trojan.Heur3.LPT.EmW@aedozGdcb
AhnLab-V3 Trojan/Win32.Agent.R182331
Acronis suspicious
McAfee GenericR-HMC!8DBE17773756
MAX malware (ai score=84)
VBA32 Hoax.Blocker
Malwarebytes Malware.Heuristic.1003
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_AGENT_019442.TOMB
Rising Ransom.LockScreen!8.83D (CLOUD)
Yandex Trojan.GenAsa!8p4krH/smwM
Ikarus Trojan-Banker.Win32.Banker
MaxSecure Trojan.Malware.3374718.susgen
Fortinet W32/Blocker.APY!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HwUBr1oA

How to remove Win32/LockScreen.AHP virus?

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 Win32/LockScreen.AHP 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 Win32/LockScreen.AHP 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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