Win32:LockScreen-YD [Trj]

What is Win32:LockScreen-YD [Trj] infection?

In this short article you will discover about the interpretation of Win32:LockScreen-YD [Trj] as well as its negative influence on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to require paying the ransom money by a sufferer.

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Most of the situations, Win32:LockScreen-YD [Trj] ransomware will certainly advise its victims to start funds move for the objective of counteracting the changes that the Trojan infection has introduced to the target’s tool.

Win32:LockScreen-YD [Trj] Summary

These modifications can be as adheres to:

  • 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.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the target’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing regular access to the target’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-YD [Trj]

The most typical channels whereby Win32:LockScreen-YD [Trj] Ransomware Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user winding up on a resource that organizes a malicious software;

As soon as the Trojan is successfully injected, it will either cipher the information on the sufferer’s PC or avoid the device from functioning in a proper way – while additionally positioning a ransom note that points out the need for the sufferers to effect the payment for the purpose of decrypting the papers or bring back the file system back to the preliminary condition. In a lot of instances, the ransom note will come up when the client reboots the PC after the system has actually currently been harmed.

Win32:LockScreen-YD [Trj] distribution networks.

In various corners of the world, Win32:LockScreen-YD [Trj] expands by leaps as well as bounds. Nonetheless, the ransom notes as well as methods of extorting the ransom money quantity may vary relying on certain local (regional) setups. The ransom money notes and techniques of obtaining the ransom quantity might differ depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software application.

    In specific areas, the Trojans usually wrongfully report having spotted some unlicensed applications enabled on the sufferer’s tool. The alert then requires the user to pay the ransom money.

    Faulty statements concerning illegal content.

    In countries where software program piracy is less preferred, this technique is not as effective for the cyber fraudulences. Conversely, the Win32:LockScreen-YD [Trj] popup alert may wrongly assert to be originating from a law enforcement establishment as well as will certainly report having situated child pornography or various other illegal information on the device.

    Win32:LockScreen-YD [Trj] popup alert may falsely claim to be acquiring from a law enforcement organization and also will report having situated kid pornography or various other illegal information on the gadget. The alert will in a similar way consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 479DFCEC
md5: d17a5c8dca7a623e7b5b8d40bb102011
name: D17A5C8DCA7A623E7B5B8D40BB102011.mlw
sha1: 918342ed93d10db832e1c4f6ee23b3447e007404
sha256: b850a40c49a859c05b68a843ad02571ae9cb862d7b041528ecf98bdc9d30ba10
sha512: f1818d2992d6d514983618d9466be00066d1946492813173e189abae01cce3a137c1c0ddd18b5b2dd36aa52db8d3d1710ddc6ef424fe77b03bc3dff43bf766da
ssdeep: 1536:FqbZIp412z+cqjXCeFo4VauIGuh/RrPH+H6r:4I6jcqjSso4Va/ZRjH+H6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:LockScreen-YD [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0040f3c81 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.8128
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Urausy.C
ALYac Gen:Heur.VIZ.8
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.877321
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Ransom:Win32/Urausy.900204a6
K7GW Trojan ( 0040f3c81 )
Cybereason malicious.dca7a6
Cyren W32/FakeAlert.WR.gen!Eldorado
Symantec Packed.Generic.417
ESET-NOD32 Win32/LockScreen.APR
APEX Malicious
Avast Win32:LockScreen-YD [Trj]
ClamAV Win.Ransomware.Generickdz-9652427-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.VIZ.8
NANO-Antivirus Trojan.Win32.Winlock.cqpdis
SUPERAntiSpyware Trojan.Agent/Gen-Urausy
MicroWorld-eScan Gen:Heur.VIZ.8
Tencent Win32.Trojan.Lockscreen.Wpje
Ad-Aware Gen:Heur.VIZ.8
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Kryptik.BAQC@4xm2qg
BitDefenderTheta Gen:NN.ZexaF.34670.guW@aWojRBbi
VIPRE Trojan.Win32.FakeAV.ka (v)
McAfee-GW-Edition Ransom-FBXU!D17A5C8DCA7A
Emsisoft Gen:Heur.VIZ.8 (B)
Jiangmin Trojan/Foreign.fki
Webroot W32.Rogue.Gen
Avira HEUR/AGEN.1105182
eGambit Generic.Malware
Kingsoft Win32.Troj.LockScreen.A.(kcloud)
Microsoft VirTool:Win32/Obfuscator.AFQ
Arcabit Trojan.VIZ.8
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Heur.VIZ.8
AhnLab-V3 Trojan/Win32.FakeAV.R66500
Acronis suspicious
McAfee Ransom-FBXU!D17A5C8DCA7A
MAX malware (ai score=100)
VBA32 Trojan.Yakes
Malwarebytes Trojan.FakeAlert.RGenX
Panda Trj/Resdec.HEU
Rising Ransom.Urausy!8.2B7 (CLOUD)
Yandex Trojan.GenAsa!eQtuQmaz4vo
Ikarus Trojan.Win32.Urausy
Fortinet W32/SystemSecurity.AL!tr
AVG Win32:LockScreen-YD [Trj]
Qihoo-360 Win32/Ransom.Urausy.HwgAEpsA

How to remove Win32:LockScreen-YD [Trj] 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 Win32:LockScreen-YD [Trj] 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-YD [Trj] you can always ask me in the comments for getting help.

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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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