Win32/LockScreen.ASO

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/LockScreen.ASO infection?

In this article you will certainly locate concerning the definition of Win32/LockScreen.ASO as well as its unfavorable impact on your computer. Such ransomware are a type of malware that is clarified by on the internet fraudulences to demand paying the ransom by a sufferer.

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Most of the situations, Win32/LockScreen.ASO infection will advise its targets to initiate funds transfer for the purpose of counteracting the changes that the Trojan infection has actually introduced to the victim’s device.

Win32/LockScreen.ASO Summary

These alterations 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Unconventionial language used in binary resources: Russian;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s hard drive — so the target can no more make use of the data;
  • Preventing routine accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzRansom:Win32/LockScreen.1ddd28f4
a.tomx.xyzRansom:Win32/LockScreen.1ddd28f4

Win32/LockScreen.ASO

One of the most common channels through which Win32/LockScreen.ASO are infused are:

  • By ways of phishing emails;
  • As an effect of user winding up on a resource that hosts a malicious software;

As quickly as the Trojan is effectively injected, it will either cipher the information on the victim’s computer or prevent the tool from operating in a proper way – while likewise positioning a ransom note that points out the need for the victims to impact the settlement for the objective of decrypting the records or recovering the file system back to the preliminary problem. In most instances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has actually already been damaged.

Win32/LockScreen.ASO distribution networks.

In numerous edges of the globe, Win32/LockScreen.ASO grows by leaps and also bounds. However, the ransom notes and techniques of extorting the ransom amount may differ depending on certain regional (regional) settings. The ransom notes and methods of obtaining the ransom amount may differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In specific areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations about illegal content.

    In countries where software piracy is less preferred, this technique is not as reliable for the cyber fraudulences. Additionally, the Win32/LockScreen.ASO popup alert may falsely declare to be stemming from a police organization and also will certainly report having located youngster porn or various other illegal data on the tool.

    Win32/LockScreen.ASO popup alert may incorrectly claim to be deriving from a legislation enforcement organization and will report having situated youngster porn or other unlawful data on the device. The alert will similarly consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 241988A5
md5: f65cc7d084d099c86c30efdeea01860c
name: F65CC7D084D099C86C30EFDEEA01860C.mlw
sha1: 777a8a4bd5494bda208cb301c94ec360c68e30b3
sha256: 0f7cbbc858892fda1e32bf3cbcaf1f0f95fe1165c3c98809b84fa786ba2334bb
sha512: 5f3c9167aafa4a8280801280a589b287d48140d6d7eccdda0e237bb6534461c1158a49aaebcb1b348170a8b4cb86271e572a1caff98158764f9fe7dd8eed4a2e
ssdeep: 6144:V14IiZdU3sbN0r9zWVQJoab3tmjMjjDHUPOLHlU+9DD00ifRL9SjGzXjY+wFQm:j4IiZdU8qB1BfUk9/efhuGzXjY+wF
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.ASO also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 7000000f1 )
CynetMalicious (score: 100)
ALYacGen:Variant.Doina.8097
CylanceUnsafe
AlibabaRansom:Win32/LockScreen.1ddd28f4
K7GWTrojan ( 7000000f1 )
Cybereasonmalicious.084d09
CyrenW32/LockScreen.D.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/LockScreen.ASO
APEXMalicious
AvastWin32:Malware-gen
BitDefenderGen:Variant.Doina.8097
MicroWorld-eScanGen:Variant.Doina.8097
TencentWin32.Trojan.Lockscreen.Ecka
Ad-AwareGen:Variant.Doina.8097
SophosMal/Generic-S
ComodoMalware@#39li91mf4vtp5
BitDefenderThetaAI:Packer.EBEA690118
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Worm.gh
FireEyeGeneric.mg.f65cc7d084d099c8
EmsisoftGen:Variant.Doina.8097 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojanSpy.KeyLogger.nth
AviraTR/Graftor.26937.28
MicrosoftRansom:Win32/LockScreen.BW
ArcabitTrojan.Doina.D1FA1
AegisLabTrojan.Win32.Jacard.4!c
GDataGen:Variant.Doina.8097
AhnLab-V3Malware/Gen.Generic.C2825235
McAfeeArtemis!F65CC7D084D0
MAXmalware (ai score=87)
VBA32BScope.TrojanDropper.Dapato
RisingRansom.LockScreen!8.83D (CLOUD)
YandexTrojan.LockScreen!at3I81fOVxs
IkarusTrojan.VBS.Runner
MaxSecureTrojan.Malware.300983.susgen
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/LockScreen.ASO 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.ASO 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.ASO 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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