Win32/LockScreen.AAF

What is Win32/LockScreen.AAF infection?

In this article you will certainly find regarding the definition of Win32/LockScreen.AAF as well as its negative influence on your computer. Such ransomware are a type of malware that is clarified by online frauds to require paying the ransom by a victim.

Most of the cases, Win32/LockScreen.AAF ransomware will instruct its victims to launch funds move for the purpose of counteracting the changes that the Trojan infection has actually introduced to the target’s tool.

Win32/LockScreen.AAF Summary

These modifications can be as complies with:

  • A process created a hidden window;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Attempts to restart the guest VM;
  • 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
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the target’s hard disk drive — so the target can no longer use the information;
  • Preventing regular accessibility to the victim’s workstation;

Win32/LockScreen.AAF

The most regular channels whereby Win32/LockScreen.AAF Ransomware are injected are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a source that organizes a malicious software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or stop the tool from functioning in an appropriate way – while additionally placing a ransom note that mentions the requirement for the sufferers to effect the payment for the function of decrypting the records or bring back the documents system back to the preliminary problem. In most instances, the ransom note will turn up when the client reboots the PC after the system has already been damaged.

Win32/LockScreen.AAF circulation channels.

In various edges of the world, Win32/LockScreen.AAF expands by leaps and also bounds. Nonetheless, the ransom notes and also methods of obtaining the ransom money amount may differ depending upon particular neighborhood (regional) settings. The ransom notes and methods of obtaining the ransom money quantity might vary depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having actually found some unlicensed applications made it possible for on the victim’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty statements regarding illegal material.

    In countries where software piracy is much less prominent, this approach is not as reliable for the cyber scams. Alternatively, the Win32/LockScreen.AAF popup alert may wrongly assert to be originating from a police institution as well as will certainly report having located kid pornography or other prohibited data on the tool.

    Win32/LockScreen.AAF popup alert might incorrectly assert to be deriving from a regulation enforcement organization and will certainly report having located child pornography or various other prohibited data on the gadget. The alert will similarly include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 3B499A13md5: 7f11ae3fc52e4e9071a9e91da6f05006name: 7F11AE3FC52E4E9071A9E91DA6F05006.mlwsha1: f4395f23e37ff27ef6c7e0bb26ad432588b71d85sha256: c640fb95a882ebdb205636b723efa8c7a760601b8fb94ba7c48f09b2cb10fa8dsha512: 968fb2e1c2d25ee525358e22025be2f80d871ab9c75ea6cd72f604ad1c41c2a02075675481b5667b5bfc57ded758d37b495406f4f758b7e460b10ed77fb4b4c4ssdeep: 768:R9gsjKo1pTKUO3cO5FZllNQRjpVM2WlKWbjqy4tid2Wlj:R9ganTocUvNQfVM2BWiy4tiUWZtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/LockScreen.AAF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 001e55521 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.5890
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanDropper.Wlock.AA6
ALYac Gen:Variant.Jaiko.5148
Cylance Unsafe
Zillya Trojan.HmBlocker.Win32.2142
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Ransom:Win32/HmBlocker.a8418a91
K7GW Trojan ( 001e55521 )
Cybereason malicious.fc52e4
Cyren W32/Ransom.E.gen!Eldorado
Symantec Trojan.Ransomlock
ESET-NOD32 a variant of Win32/LockScreen.AAF
APEX Malicious
TotalDefense Win32/RansomLockscreen.T
Avast Win32:Dh-A [Heur]
ClamAV Win.Trojan.Hmblocker-62
Kaspersky Trojan-Ransom.Win32.HmBlocker.un
BitDefender Gen:Variant.Jaiko.5148
NANO-Antivirus Trojan.Win32.HmBlocker.ctbuk
ViRobot Trojan.Win32.A.HmBlocker.48640.A[UPX]
MicroWorld-eScan Gen:Variant.Jaiko.5148
Tencent Win32.Trojan.Hmblocker.Airx
Ad-Aware Gen:Variant.Jaiko.5148
Sophos ML/PE-A
Comodo Malware@#y6urdme1usyp
BitDefenderTheta AI:Packer.A9ADD70A1F
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.pc
FireEye Generic.mg.7f11ae3fc52e4e90
Emsisoft Gen:Variant.Jaiko.5148 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/HmBlocker.cs
Webroot W32.Dropper.Wlock.A
Avira TR/Winlock.I.5
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Jaiko.D141C
AegisLab Trojan.Win32.Zbot.lzoW
GData Gen:Variant.Jaiko.5148
AhnLab-V3 Trojan/Win32.HmBlocker.C78701
McAfee Artemis!7F11AE3FC52E
MAX malware (ai score=100)
VBA32 BScope.Trojan.Winlock
Malwarebytes Malware.Heuristic.1003
Panda Generic Malware
Rising Ransom.HmBlocker!8.2A63 (CLOUD)
Yandex Trojan.GenAsa!AZtTaYFYKmA
Ikarus Trojan.Winlock
MaxSecure Trojan.Malware.1628574.susgen
Fortinet W32/LockScreen.AAFA!tr
AVG Win32:Dh-A [Heur]
Qihoo-360 Win32/Ransom.Ransomlock.HwsBXicA

How to remove Win32/LockScreen.AAF virus?

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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/LockScreen.AAF you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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