Win32/LockScreen.ZC

Written by Robert Bailey

What is Win32/LockScreen.ZC infection?

In this article you will certainly discover about the definition of Win32/LockScreen.ZC as well as its unfavorable influence on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to require paying the ransom by a victim.

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In the majority of the instances, Win32/LockScreen.ZC infection will certainly instruct its targets to start funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

Win32/LockScreen.ZC Summary

These alterations can be as adheres to:

  • Creates RWX memory;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Installs an hook procedure to monitor for mouse events;
  • Sniffs keystrokes;
  • Attempts to restart the guest VM;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files located on the sufferer’s hard drive — so the sufferer can no more use the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Related domains:

edgedl.me.gvt1.com W32/Ransom.E.gen!Eldorado

Win32/LockScreen.ZC

One of the most typical channels through which Win32/LockScreen.ZC are injected are:

  • By methods of phishing e-mails;
  • As a consequence of user winding up on a source that holds a destructive software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or protect against the device from working in a proper manner – while additionally putting a ransom note that points out the need for the sufferers to impact the repayment for the purpose of decrypting the documents or bring back the file system back to the preliminary condition. In most instances, the ransom note will certainly come up when the client restarts the PC after the system has currently been damaged.

Win32/LockScreen.ZC distribution channels.

In various corners of the world, Win32/LockScreen.ZC grows by leaps and bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom quantity may vary depending upon particular local (regional) setups. The ransom notes as well as methods of extorting the ransom quantity might differ depending on certain regional (local) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software.

    In specific areas, the Trojans usually wrongfully report having identified some unlicensed applications made it possible for on the target’s tool. The sharp then demands the customer to pay the ransom money.

    Faulty declarations about prohibited content.

    In countries where software program piracy is much less popular, this technique is not as reliable for the cyber frauds. Conversely, the Win32/LockScreen.ZC popup alert might incorrectly assert to be originating from a law enforcement institution as well as will report having situated kid porn or other unlawful information on the gadget.

    Win32/LockScreen.ZC popup alert might falsely assert to be obtaining from a regulation enforcement establishment and also will certainly report having located child porn or other unlawful information on the device. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 1C276547
md5: b9841a22b5d6c14d1cc5cf8bc71cf14d
name: B9841A22B5D6C14D1CC5CF8BC71CF14D.mlw
sha1: f958541235e552ff191a40ae8f47f8248af3068b
sha256: d0a201f0954196386e86b78082a5d1f46a3ab5f932e16b6cb3e9b014ad9cdc59
sha512: 6d8d012c9158f83074c793e52a933ee813b1445fc0e159543757dd536a845cddca8b0f23c9d099bd76c87f627ebf6dcc814a605cbdacc7b7788140b17324b4fa
ssdeep: 1536:eJZPxSjq3DF0SPnsu9ICGykpM1JowJwV:ePPxaq3DySPnsuaZvM1JowJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.ZC also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055e4091 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.5384
Cynet Malicious (score: 99)
ALYac Dropped:Trojan.Generic.5165977
Cylance Unsafe
Zillya Trojan.LockScreen.Win32.7741
CrowdStrike win/malicious_confidence_100% (D)
Alibaba TrojanDropper:Win32/Wlock.a500d0fe
K7GW Trojan ( 0055e4091 )
Cybereason malicious.2b5d6c
Cyren W32/Ransom.E.gen!Eldorado
Symantec Trojan.Ransomlock.F
ESET-NOD32 a variant of Win32/LockScreen.ZC
APEX Malicious
Avast Win32:LockScreen-DE [Trj]
ClamAV Win.Trojan.Ransom-7360
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Dropped:Trojan.Generic.5165977
NANO-Antivirus Trojan.Win32.HmBlocker.cjpvh
MicroWorld-eScan Dropped:Trojan.Generic.5165977
Tencent Win32.Trojan.Lockscreen.Pgwi
Ad-Aware Dropped:Trojan.Generic.5165977
Sophos ML/PE-A + Mal/EncPk-ZC
Comodo TrojWare.Win32.Trojan.Ransom.~C@465pdo
BitDefenderTheta AI:Packer.97D16EB21F
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.mm
FireEye Generic.mg.b9841a22b5d6c14d
Emsisoft Dropped:Trojan.Generic.5165977 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/HomoBlocker.be
Avira TR/Ransom.Blocker.FY
Antiy-AVL Trojan/Generic.ASMalwS.25A68B
Microsoft TrojanDropper:Win32/Wlock.A
GData Dropped:Trojan.Generic.5165977
AhnLab-V3 Trojan/Win32.HmBlocker.C1445637
Acronis suspicious
McAfee GenericR-KYK!B9841A22B5D6
MAX malware (ai score=100)
VBA32 BScope.TrojanPSW.Papras
Panda Trj/CI.A
Rising Trojan.Generic@ML.97 (RDML:5RgG2M+P1cloQBRbX8V/Jg)
Yandex Trojan.GenAsa!66ZSSs8h8+Q
Ikarus Trojan-Ransom.HmBlocker
Fortinet W32/Agent.XOR!tr
AVG Win32:LockScreen-DE [Trj]
Paloalto generic.ml

How to remove Win32/LockScreen.ZC 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.ZC 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.ZC 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: http://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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