What is Win32/LockScreen.AQS infection?

In this post you will locate concerning the definition of Win32/LockScreen.AQS and also its adverse influence on your computer system. Such ransomware are a form of malware that is specified by on the internet fraudulences to require paying the ransom money by a victim.

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Most of the situations, Win32/LockScreen.AQS ransomware will certainly instruct its sufferers to start funds transfer for the purpose of counteracting the changes that the Trojan infection has introduced to the target’s gadget.

Win32/LockScreen.AQS Summary

These adjustments can be as adheres to:

  • 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.
  • A process attempted to delay the analysis task.;
  • Unconventionial language used in binary resources: Russian;
  • Sniffs keystrokes;
  • Steals private information from local Internet browsers;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular accessibility to the sufferer’s workstation;


One of the most common networks where Win32/LockScreen.AQS are injected are:

  • By means of phishing e-mails;
  • As a consequence of customer ending up on a resource that hosts a destructive software;

As soon as the Trojan is successfully infused, it will either cipher the data on the target’s computer or stop the device from functioning in a proper manner – while likewise positioning a ransom note that discusses the requirement for the victims to effect the settlement for the purpose of decrypting the documents or bring back the data system back to the initial problem. In a lot of circumstances, the ransom note will turn up when the customer reboots the PC after the system has already been harmed.

Win32/LockScreen.AQS distribution networks.

In various corners of the globe, Win32/LockScreen.AQS grows by jumps and bounds. However, the ransom notes and techniques of extorting the ransom money quantity might vary depending upon specific regional (regional) settings. The ransom money notes and also tricks of extorting the ransom money quantity may vary depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having actually discovered some unlicensed applications allowed on the sufferer’s tool. The alert after that demands the individual to pay the ransom money.

    Faulty statements concerning illegal web content.

    In nations where software piracy is much less preferred, this technique is not as efficient for the cyber frauds. Alternatively, the Win32/LockScreen.AQS popup alert might wrongly assert to be stemming from a police organization and also will certainly report having located child porn or other unlawful information on the device.

    Win32/LockScreen.AQS popup alert might wrongly claim to be acquiring from a regulation enforcement organization and also will report having situated child porn or other prohibited information on the gadget. The alert will likewise have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 24DE17C1
md5: c3c6f28b2c8393416e7b1910220ee1e7
name: C3C6F28B2C8393416E7B1910220EE1E7.mlw
sha1: 11a5da3231ed4ae8378cb70bf2fd6406e5c0e2d0
sha256: 80978264be64c8326f6683769a831366e5eeeb7397c85e237d538919e815398c
sha512: d59f3d1c37bbc6e455bee77e6fc0a152e4f338347a7a05609f219c16142bfab23aaadee0dbc114f53e886004d85b0e87ffd8328ff8287ca001a584a385b9c4b8
ssdeep: 12288:nXBGG01oDKrj5Q2tzlAW7aBKcrpBzJ8bYvPXBGa:nxX04Krj5HdhyrLttnxR
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.AQS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 00423d861 )
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.31287811
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Alibaba RiskWare:Win32/BadJoke.f0fb07f6
K7GW Trojan ( 00423d861 )
Cybereason malicious.b2c839
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/LockScreen.AQS
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Dropper.Hoax-9843324-0
Kaspersky Hoax.Win32.BadJoke.FakeBlocker.r
BitDefender Trojan.GenericKD.31287811
NANO-Antivirus Riskware.Win32.FakeBlocker.cxthxs
MicroWorld-eScan Trojan.GenericKD.31287811
Tencent Win32.Trojan-psw.Badjoke.Szbi
Ad-Aware Trojan.GenericKD.31287811
Sophos Generic PUA BB (PUA)
Comodo Malware@#3ucw2xay3moye
BitDefenderTheta Gen:NN.ZelphiF.34628.KGZ@aSyC0Pfc
McAfee-GW-Edition BehavesLike.Win32.Worm.hh
Emsisoft Trojan.GenericKD.31287811 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Hoax.BadJoke.efo
Avira HEUR/AGEN.1111033
Microsoft Ransom:Win32/Blocker
Arcabit Trojan.Generic.D1DD6A03
AegisLab Hacktool.Win32.BadJoke.3!c
GData Trojan.GenericKD.31287811
AhnLab-V3 Unwanted/Win32.BadJoke.C2764014
McAfee Artemis!C3C6F28B2C83
MAX malware (ai score=100)
VBA32 Trojan-Ransom.Winlock.gen
Panda Trj/CI.A
Rising Hoax.BadJoke!8.41C (CLOUD)
Ikarus Trojan-Ransom.Delf
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/LockScreen.APP!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Ransom.Generic.HwUBEpsA

How to remove Win32/LockScreen.AQS 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.

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.AQS 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.AQS 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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