Win32/LockScreen.DU

What is Win32/LockScreen.DU infection?

In this post you will certainly locate concerning the meaning of Win32/LockScreen.DU and its negative impact on your computer. Such ransomware are a form of malware that is specified by on-line scams to demand paying the ransom by a target.

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Most of the instances, Win32/LockScreen.DU virus will advise its targets to initiate funds move for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the sufferer’s device.

Win32/LockScreen.DU Summary

These adjustments can be as adheres to:

  • A process attempted to delay the analysis task.;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the papers located on the sufferer’s hard disk drive — so the victim can no longer utilize the information;
  • Preventing routine accessibility to the sufferer’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.DU

One of the most regular channels through which Win32/LockScreen.DU 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 a consequence of user ending up on a resource that hosts a harmful software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the sufferer’s computer or prevent the tool from functioning in an appropriate way – while likewise putting a ransom money note that states the demand for the sufferers to effect the repayment for the purpose of decrypting the documents or bring back the data system back to the preliminary problem. In the majority of instances, the ransom note will certainly come up when the client reboots the PC after the system has already been harmed.

Win32/LockScreen.DU circulation networks.

In various corners of the world, Win32/LockScreen.DU grows by jumps as well as bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom money quantity might differ depending on certain neighborhood (regional) settings. The ransom notes as well as methods of obtaining the ransom amount might vary depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software program.

    In certain locations, the Trojans typically wrongfully report having found some unlicensed applications enabled on the victim’s device. The alert then demands the individual to pay the ransom money.

    Faulty statements regarding unlawful material.

    In countries where software application piracy is less preferred, this method is not as efficient for the cyber frauds. Additionally, the Win32/LockScreen.DU popup alert might wrongly claim to be stemming from a law enforcement organization and also will report having situated kid pornography or various other illegal data on the device.

    Win32/LockScreen.DU popup alert might wrongly assert to be acquiring from a legislation enforcement organization and will report having situated kid pornography or various other unlawful data on the device. The alert will in a similar way consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 55AACC65
md5: 83a0e5d1975ffe8d024ad1fe49aa8c87
name: 83A0E5D1975FFE8D024AD1FE49AA8C87.mlw
sha1: 174b897ba909737ba2e892eeab61e9399f93af9e
sha256: 3263dd953fdc356c7795d108e1bfd0901d05177123b62a25f32d5939781aa315
sha512: 409d675b22f520796badef4dd1c94608fa7622b5f77b7e4b077599435b2d94549c32dd1634b3d80c07ee3f05dcf9ed11c4bd48edebddbe3687c5df16cc458cad
ssdeep: 6144:fRHbDvNQVvT6X+nuRuJxIzHbFTB5l7wAOAOzT0vG:ZHnKVG+nuRugzHxTvl7w
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.DU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.591
Cynet Malicious (score: 100)
ALYac Gen:Trojan.UserStartup.tuW@amegc5l
Cylance Unsafe
Zillya Trojan.PogBlock.Win32.281
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:Win32/PogBlock.920a19ff
Cybereason malicious.1975ff
Cyren W32/Risk.CTBS-8911
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/LockScreen.DU
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
ClamAV Win.Trojan.Pogblock-103
Kaspersky Trojan-Ransom.Win32.PogBlock.fl
BitDefender Gen:Trojan.UserStartup.tuW@amegc5l
NANO-Antivirus Trojan.Win32.Winlock.bdrcer
MicroWorld-eScan Gen:Trojan.UserStartup.tuW@amegc5l
Tencent Win32.Trojan.Pogblock.Eamy
Ad-Aware Gen:Trojan.UserStartup.tuW@amegc5l
Sophos Mal/Generic-S
Comodo Malware@#o7r0do7yh6q6
BitDefenderTheta AI:Packer.66B09AC91E
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_RANSOM.SMM
McAfee-GW-Edition BehavesLike.Win32.Pykse.fc
FireEye Generic.mg.83a0e5d1975ffe8d
Emsisoft Gen:Trojan.UserStartup.tuW@amegc5l (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/PogBlock.lb
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1130296
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.UserStartup.ED7E7E
GData Gen:Trojan.UserStartup.tuW@amegc5l
TACHYON Trojan/W32.PogBlock.315904.D
AhnLab-V3 Trojan/Win32.HDC.C2532
Acronis suspicious
McAfee GenericRXMM-JX!83A0E5D1975F
MAX malware (ai score=99)
VBA32 BScope.Trojan.Agent
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/Ransom.I
TrendMicro-HouseCall TROJ_RANSOM.SMM
Rising Ransom.PogBlock!8.4E51 (CLOUD)
Ikarus Trojan-Ransom.PogBlock
MaxSecure Trojan.Malware.2219790.susgen
Fortinet W32/PogBlock.FL!tr
AVG Win32:TrojanX-gen [Trj]
Qihoo-360 Win32/Ransom.Generic.HwkAj70A

How to remove Win32/LockScreen.DU ransomware?

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.

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Press “Install” button.

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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.DU 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.DU 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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