Win32:LockScreen-DD [Trj]

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

In this article you will certainly discover about the interpretation of Win32:LockScreen-DD [Trj] as well as its negative effect on your computer system. Such ransomware are a form of malware that is elaborated by on-line frauds to require paying the ransom by a sufferer.

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In the majority of the situations, Win32:LockScreen-DD [Trj] infection will certainly advise its victims to start funds transfer for the objective of neutralizing the amendments that the Trojan infection has presented to the target’s device.

Win32:LockScreen-DD [Trj] Summary

These adjustments can be as complies with:

  • 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.
  • Unconventionial language used in binary resources: Russian;
  • Sniffs keystrokes;
  • 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.
  • Ciphering the files situated on the victim’s disk drive — so the target can no more utilize the information;
  • Preventing routine accessibility 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-DD [Trj]

The most regular networks where Win32:LockScreen-DD [Trj] Ransomware 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 repercussion of customer winding up on a resource that holds a destructive software program;

As quickly as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or protect against the gadget from operating in a correct fashion – while also positioning a ransom money note that points out the need for the sufferers to impact the settlement for the purpose of decrypting the documents or restoring the data system back to the preliminary problem. In many circumstances, the ransom money note will turn up when the client reboots the PC after the system has already been damaged.

Win32:LockScreen-DD [Trj] circulation channels.

In various corners of the globe, Win32:LockScreen-DD [Trj] grows by jumps as well as bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money amount may vary relying on certain neighborhood (regional) settings. The ransom money notes and also methods of obtaining the ransom amount might differ depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In particular locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications enabled on the target’s tool. The sharp after that requires the individual to pay the ransom.

    Faulty statements concerning prohibited content.

    In nations where software application piracy is much less preferred, this technique is not as effective for the cyber frauds. Additionally, the Win32:LockScreen-DD [Trj] popup alert may falsely assert to be stemming from a law enforcement institution as well as will certainly report having situated youngster pornography or various other unlawful data on the gadget.

    Win32:LockScreen-DD [Trj] popup alert might incorrectly claim to be acquiring from a regulation enforcement institution and also will report having situated kid porn or various other illegal information on the tool. The alert will in a similar way contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: F9B3D912
md5: df3c991c42830ff6e10108368c96eb11
name: DF3C991C42830FF6E10108368C96EB11.mlw
sha1: 57b3178032c3bd45686c0eae1cc2a614432bd196
sha256: 0ebc81df1e89b7a5854cd5e2e0cc7bf17f6acd9695d04ad8e8721af311e37830
sha512: 51771281f5c34fadd09830f1b33b3036713946f1fc32976591ed51818c2f701586e6f5b8fd22f909597c0ee409f3766681b09df07290ca5a9c30b62395aa47a1
ssdeep: 24576:KW3l0oX3NSWDAt0hWjGySEkHwIGWJaI3pr5m9MITOzNS:h35pRy4GWYI3+TOzNS
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
DrWeb Trojan.Winlock.12627
Cynet Malicious (score: 90)
ALYac Trojan.GenericKD.2663113
Cylance Unsafe
Zillya Trojan.Black.Win32.39473
Sangfor Ransom.Win32.LockScreen.BW
Alibaba Ransom:Win32/LockScreen.7b42acf5
K7GW Riskware ( 0040eff71 )
Cybereason malicious.c42830
Cyren W32/A-1f87b5d9!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:LockScreen-DD [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKD.2663113
NANO-Antivirus Trojan.Win32.AD.dvnjpk
MicroWorld-eScan Trojan.GenericKD.2663113
Tencent Malware.Win32.Gencirc.114c93c3
Ad-Aware Trojan.GenericKD.2663113
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.LockScreen.M
BitDefenderTheta Gen:NN.ZelphiF.34628.sHW@aOO7J@oQ
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_LockScreen.R002C0DK220
McAfee-GW-Edition BehavesLike.Win32.Dropper.th
FireEye Generic.mg.df3c991c42830ff6
Emsisoft Trojan.GenericKD.2663113 (B)
Jiangmin Trojan/Generic.bhqnm
Webroot W32.Trojan.GenKD
Avira TR/AD.LockScreen.M
Antiy-AVL Trojan/Win32.AGeneric
Microsoft Ransom:Win32/LockScreen.BW
Arcabit Trojan.Generic.D28A2C9
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.GenericKD.2663113
AhnLab-V3 Trojan/Win32.Gen
McAfee Artemis!DF3C991C4283
MAX malware (ai score=100)
VBA32 Trojan-Ransom.Winlock.gen
Malwarebytes Generic.Malware/Suspicious
TrendMicro-HouseCall Ransom_LockScreen.R002C0DK220
Rising Ransom.LockScreen!8.83D (CLOUD)
Yandex Trojan.GenAsa!g09UWQPJg2g
Ikarus Trojan.AD.LockScreen
Fortinet W32/Generic!tr
AVG Win32:LockScreen-DD [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.PornoBlocker.HgIASOkA

How to remove Win32:LockScreen-DD [Trj] 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.

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-DD [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-DD [Trj] 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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