Win32/LockScreen.WY

What is Win32/LockScreen.WY infection?

In this article you will certainly find regarding the interpretation of Win32/LockScreen.WY and also its adverse impact on your computer system. Such ransomware are a form of malware that is clarified by on the internet fraudulences to require paying the ransom by a sufferer.

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Most of the instances, Win32/LockScreen.WY virus will certainly instruct its targets to launch funds move for the purpose of reducing the effects of the modifications that the Trojan infection has presented to the victim’s device.

Win32/LockScreen.WY 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;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • 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
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the victim’s hard disk drive — so the victim can no longer make use of the information;
  • Preventing routine access to the sufferer’s workstation;

Win32/LockScreen.WY

The most regular networks where Win32/LockScreen.WY Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of individual ending up on a source that holds a destructive software application;

As quickly as the Trojan is effectively injected, it will either cipher the data on the sufferer’s computer or protect against the gadget from operating in a correct fashion – while additionally placing a ransom money note that discusses the need for the victims to effect the payment for the purpose of decrypting the documents or restoring the file system back to the preliminary problem. In many circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has actually already been damaged.

Win32/LockScreen.WY circulation channels.

In numerous edges of the globe, Win32/LockScreen.WY grows by leaps and also bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom amount might differ depending upon particular local (local) settings. The ransom notes and methods of obtaining the ransom money quantity may differ depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In certain areas, the Trojans often wrongfully report having spotted some unlicensed applications enabled on the sufferer’s gadget. The sharp after that demands the customer to pay the ransom money.

    Faulty declarations concerning illegal content.

    In nations where software piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Additionally, the Win32/LockScreen.WY popup alert might wrongly assert to be stemming from a police organization and also will report having situated child porn or various other prohibited information on the tool.

    Win32/LockScreen.WY popup alert might wrongly claim to be deriving from a regulation enforcement institution and also will report having situated youngster porn or other prohibited data on the device. The alert will in a similar way have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 94930B3F
md5: ef25886d6386efe2c1a3cc030669292b
name: EF25886D6386EFE2C1A3CC030669292B.mlw
sha1: 9091dfa72a423deb031a45810dddd33e797c6aee
sha256: 7ea57e4815d6327035e76676f28a7c951162e642082d90599b80937e4c75734f
sha512: 43eb9c40520714d3b76e38cadab87428a6f5e38619d0e550519f333b809566573db1e5d70d0ef38d225a75cb039a907ce2f9983d834de4f1b70cd431a69fe35d
ssdeep: 1536:egT/tNinnO1richVXkz4o7lAYwDu0UaqG5:LT/tAnO12chmfSYwDu0UI
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.WY also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e4091 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.2482
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ser.Mikey.2065
Cylance Unsafe
Zillya Trojan.LockScreen.Win32.7794
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/HmBlocker.28f320e4
K7GW Trojan ( 0055e4091 )
Cybereason malicious.d6386e
Cyren W32/Ransom.E.gen!Eldorado
ESET-NOD32 a variant of Win32/LockScreen.WY
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Hmblocker-1010
Kaspersky Trojan-Ransom.Win32.HmBlocker.hn
BitDefender Gen:Variant.Ser.Mikey.2065
NANO-Antivirus Trojan.Win32.LockScreen.bkvjh
MicroWorld-eScan Gen:Variant.Ser.Mikey.2065
Tencent Malware.Win32.Gencirc.114c0da1
Ad-Aware Gen:Variant.Ser.Mikey.2065
Sophos ML/PE-A + Mal/EncPk-ZC
Comodo Malware@#uzoibw4ty0je
BitDefenderTheta AI:Packer.950188A21F
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.mh
FireEye Generic.mg.ef25886d6386efe2
Emsisoft Gen:Variant.Ser.Mikey.2065 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Agent.egnl
Avira TR/Ransom.Agent.NW
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Tiggre!rfn
Arcabit Trojan.Ser.Mikey.D811
AegisLab Trojan.Win32.HmBlocker.j!c
GData Gen:Variant.Ser.Mikey.2065
TACHYON Ransom/W32.HmBlocker.91648.C
AhnLab-V3 Trojan/Win32.HmBlocker.C3813
McAfee Artemis!EF25886D6386
MAX malware (ai score=99)
VBA32 BScope.TrojanPSW.Papras
Malwarebytes Malware.Heuristic.1006
Panda Trj/CI.A
Rising Ransom.HmBlocker!8.2A63 (C64:YzY0OuVD0xGmXBTH)
Yandex Trojan.GenAsa!NgJx9KqO+yY
Ikarus Trojan-Ransom.Agent
MaxSecure Trojan.Malware.2136005.susgen
Fortinet W32/Kryptik.219160!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HxQBEpsA

How to remove Win32/LockScreen.WY 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

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.WY 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.WY 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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