Win32/LockScreen.AQH

Written by Robert Bailey

What is Win32/LockScreen.AQH infection?

In this post you will certainly locate about the meaning of Win32/LockScreen.AQH as well as its adverse influence on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom by a sufferer.

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Most of the situations, Win32/LockScreen.AQH ransomware will advise its targets to initiate funds move for the function of counteracting the changes that the Trojan infection has introduced to the sufferer’s device.

Win32/LockScreen.AQH 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;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the victim’s disk drive — so the target can no more utilize the data;
  • Preventing normal access to the sufferer’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.AQH

The most common channels whereby Win32/LockScreen.AQH Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of user winding up on a resource that holds a destructive software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s computer or prevent the tool from functioning in an appropriate fashion – while likewise placing a ransom note that points out the demand for the sufferers to effect the repayment for the objective of decrypting the files or recovering the documents system back to the initial condition. In most circumstances, the ransom note will turn up when the client reboots the COMPUTER after the system has actually currently been harmed.

Win32/LockScreen.AQH distribution networks.

In various edges of the globe, Win32/LockScreen.AQH expands by jumps and also bounds. Nonetheless, the ransom notes and also tricks of obtaining the ransom amount might differ depending on specific regional (regional) settings. The ransom notes and also techniques of obtaining the ransom amount may vary depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software.

    In certain locations, the Trojans frequently wrongfully report having actually detected some unlicensed applications enabled on the victim’s tool. The alert then demands the user to pay the ransom money.

    Faulty statements about unlawful content.

    In nations where software program piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Additionally, the Win32/LockScreen.AQH popup alert might wrongly declare to be stemming from a police organization and will report having located child pornography or other illegal information on the gadget.

    Win32/LockScreen.AQH popup alert may incorrectly claim to be obtaining from a regulation enforcement organization as well as will certainly report having located child pornography or various other unlawful information on the gadget. The alert will similarly include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 5A5479D4
md5: b968f430e70ceff8ec20de6343ac40ba
name: B968F430E70CEFF8EC20DE6343AC40BA.mlw
sha1: dff6fc90a85127933a7224a38a885b80ceea5333
sha256: 924693823399ed4cc07b377e159b0778a08555860b41e66f9c0b9cf9e0d05fec
sha512: 0433f636d5186c099c7e680b06c3d88edf08633385facf332fd7873cdd7478e85c7889dd8c207184e0449ac90aa7f99b21244e90230239989cf4ef1e6069765a
ssdeep: 12288:mQqiP6V19gJUirG8ckVAOE7cifIqmpZZEmCnT61dP:PTS2yKsCmAlEmC21
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.AQH also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.Siggen7.56986
Cynet Malicious (score: 99)
ALYac Gen:Trojan.ShellStartup.WGW@a0@Fi@oc
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Alibaba Trojan:Win32/LockScreen.ee53739c
K7GW Trojan ( 00521dbc1 )
K7AntiVirus Trojan ( 00521dbc1 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/LockScreen.AQH
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Trojan.ShellStartup.WGW@a0@Fi@oc
NANO-Antivirus Trojan.Win32.LockScreen.fhpkjd
MicroWorld-eScan Gen:Trojan.ShellStartup.WGW@a0@Fi@oc
Tencent Win32.Trojan.Lockscreen.Pgcu
Ad-Aware Gen:Trojan.ShellStartup.WGW@a0@Fi@oc
Comodo Malware@#q3z8qcbwdi15
BitDefenderTheta AI:Packer.E886299821
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.bm
FireEye Generic.mg.b968f430e70ceff8
Emsisoft Gen:Trojan.ShellStartup.WGW@a0@Fi@oc (B)
Jiangmin Trojan.Generic.cpyvg
Avira TR/Ransom.ruywk
Microsoft Trojan:Win32/Skeeyah.A!rfn
Arcabit Trojan.ShellStartup.EBD2122
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Trojan.ShellStartup.WGW@a0@Fi@oc
McAfee Artemis!B968F430E70C
MAX malware (ai score=99)
VBA32 BScope.Trojan.Swisyn
Malwarebytes MachineLearning/Anomalous.95%
Panda Trj/GdSda.A
Rising Trojan.LockScreen!8.1AF (CLOUD)
Yandex Trojan.GenAsa!53MLJ3tJKN0
Ikarus Trojan.Win32.LockScreen
Fortinet W32/LockScreen.AQH!tr
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Win32/LockScreen.AQH 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.AQH 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.AQH 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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