Written by Robert Bailey

What is Win32/LockScreen.GF infection?

In this article you will discover concerning the definition of Win32/LockScreen.GF and also its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on the internet frauds to require paying the ransom by a sufferer.

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Most of the cases, Win32/LockScreen.GF infection will certainly instruct its victims to initiate funds move for the objective of counteracting the amendments that the Trojan infection has presented to the target’s gadget.

Win32/LockScreen.GF Summary

These alterations can be as complies with:

  • A process attempted to delay the analysis task.;
  • Installs itself for autorun at Windows startup;
  • Exhibits possible ransomware file modification behavior;
  • Attempts to modify proxy settings;
  • Anomalous binary characteristics;
  • Ciphering the papers located on the target’s disk drive — so the sufferer can no longer use the data;
  • Preventing routine accessibility to the target’s workstation;


One of the most common networks through which Win32/LockScreen.GF Ransomware are injected are:

  • By methods of phishing e-mails;
  • As an effect of user ending up on a resource that organizes a malicious software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the target’s PC or prevent the device from operating in a proper way – while likewise positioning a ransom money note that points out the need for the victims to effect the repayment for the function of decrypting the papers or bring back the data system back to the preliminary condition. In most circumstances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually already been harmed.

Win32/LockScreen.GF distribution networks.

In different edges of the globe, Win32/LockScreen.GF expands by jumps and also bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom amount may vary relying on certain neighborhood (regional) setups. The ransom notes and methods of obtaining the ransom money amount might vary depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software application.

    In specific areas, the Trojans usually wrongfully report having discovered some unlicensed applications allowed on the target’s gadget. The alert then demands the individual to pay the ransom.

    Faulty statements about unlawful web content.

    In nations where software piracy is less popular, this approach is not as effective for the cyber fraudulences. Alternatively, the Win32/LockScreen.GF popup alert may wrongly claim to be originating from a police establishment and also will report having located kid pornography or other prohibited data on the gadget.

    Win32/LockScreen.GF popup alert might falsely claim to be deriving from a regulation enforcement establishment as well as will report having situated youngster pornography or other unlawful data on the device. The alert will similarly have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: F1C6AC28
md5: 3ce89c7053f655314dd9707d54e6e00c
name: 3CE89C7053F655314DD9707D54E6E00C.mlw
sha1: 44bd89b7ebb26d4356b2303e390e0e03d040e446
sha256: cfd553909ff903adac4e4e3ed3068a3eb61a94873683d31404509875f2643880
sha512: 87e40fc8cc5265da99dedfb28265ba453531c18400926f1872b0b4faaca0409fceda746c7e63f919c0b40477f36f62ae21cb3396789317967e15138efcebfaa8
ssdeep: 6144:rjLiVXcThpIBJHQ6nlobbD34bDSPj75jbnTB1l7QAO5WId2i3IQz:rjLiVqexQciXqDYj75jbTjl7QFd2II
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.GF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.PogBlock.j!c
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.591
ALYac Gen:Trojan.UserStartup.zqW@aWzLugl
Cylance Unsafe
Zillya Trojan.LockScreen.Win32.546
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Ransom:Win32/PogBlock.576f5c68
Cybereason malicious.053f65
Cyren W32/Ransom.C.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/LockScreen.GF
APEX Malicious
Avast Win32:Evo-gen [Susp]
Cynet Malicious (score: 100)
BitDefender Gen:Trojan.UserStartup.zqW@aWzLugl
NANO-Antivirus Trojan.Win32.Winlock.cucyck
MicroWorld-eScan Gen:Trojan.UserStartup.zqW@aWzLugl
Tencent Win32.Trojan.Pogblock.Lose
Ad-Aware Gen:Trojan.UserStartup.zqW@aWzLugl
Sophos Mal/Generic-S
F-Secure Heuristic.HEUR/AGEN.1130296
BitDefenderTheta AI:Packer.9D69FD061E
VIPRE Trojan.Win32.Generic!BT
Emsisoft Gen:Trojan.UserStartup.zqW@aWzLugl (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/
Webroot Trojan:Win32/Ransom.U
Avira HEUR/AGEN.1130296
eGambit Generic.Malware
Antiy-AVL Trojan/Win32.AGeneric
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.UserStartup.EDC88E
GData Gen:Trojan.UserStartup.zqW@aWzLugl
TACHYON Trojan/W32.PogBlock.415232
AhnLab-V3 Trojan/Win32.Xema.C65537
McAfee GenericRXKS-SN!3CE89C7053F6
MAX malware (ai score=100)
VBA32 BScope.Trojan.Agent
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/Ransom.I
TrendMicro-HouseCall TROJ_RANSOM.SMM
Yandex Trojan.GenAsa!kSSkQKZUEpo
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Generic.AC.2611AE!tr
AVG Win32:Evo-gen [Susp]

How to remove Win32/LockScreen.GF 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.GF 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.GF 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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