Win32:LockScreen-AAJ [Trj]

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

What is Win32:LockScreen-AAJ [Trj] infection?

In this article you will discover about the meaning of Win32:LockScreen-AAJ [Trj] and also its negative effect on your computer. Such ransomware are a form of malware that is clarified by on the internet fraudulences to require paying the ransom money by a victim.

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Most of the cases, Win32:LockScreen-AAJ [Trj] ransomware will instruct its targets to start funds transfer for the purpose of neutralizing the modifications that the Trojan infection has actually presented to the sufferer’s tool.

Win32:LockScreen-AAJ [Trj] Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • Attempts to stop active services;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Attempts to disable UAC;
  • Attempts to modify or disable Security Center warnings;
  • Attempts to modify UAC prompt behavior;
  • Anomalous binary characteristics;
  • Attempts to modify user notification settings;
  • Ciphering the documents found on the target’s hard disk drive — so the victim can no longer use the information;
  • Preventing normal accessibility to the target’s workstation;

Win32:LockScreen-AAJ [Trj]

One of the most regular channels where Win32:LockScreen-AAJ [Trj] Trojans are injected are:

  • By means of phishing e-mails;
  • As an effect of individual ending up on a resource that holds a destructive software;

As quickly as the Trojan is successfully injected, it will either cipher the information on the target’s computer or protect against the tool from functioning in a correct way – while additionally placing a ransom note that points out the requirement for the targets to effect the repayment for the function of decrypting the papers or recovering the documents system back to the preliminary condition. In many instances, the ransom note will certainly turn up when the customer reboots the PC after the system has already been damaged.

Win32:LockScreen-AAJ [Trj] distribution networks.

In different corners of the globe, Win32:LockScreen-AAJ [Trj] grows by leaps and also bounds. However, the ransom money notes and methods of extorting the ransom amount might vary depending upon certain neighborhood (local) setups. The ransom notes as well as techniques of obtaining the ransom amount might differ depending on particular neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having actually identified some unlicensed applications enabled on the victim’s device. The alert then requires the customer to pay the ransom money.

    Faulty statements about unlawful content.

    In nations where software application piracy is much less preferred, this method is not as effective for the cyber frauds. Alternatively, the Win32:LockScreen-AAJ [Trj] popup alert might falsely claim to be deriving from a police institution as well as will certainly report having situated youngster porn or various other unlawful information on the device.

    Win32:LockScreen-AAJ [Trj] popup alert might wrongly claim to be acquiring from a regulation enforcement establishment and will report having situated kid pornography or other unlawful information on the gadget. The alert will likewise contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 6830F51D
md5: 9a46e4c8a2fdc3cfb4d625fc2afda010
name: 9A46E4C8A2FDC3CFB4D625FC2AFDA010.mlw
sha1: dae7b8c54a38114146cac61db6575c801a3d6e36
sha256: b317277165e76dad3b2e5c95d12004ca002472286fb1d66c11fc7ad41535de37
sha512: ac97c5c71034e71237877e3f9a96f351e3c8bd1abe2157a26f10a761e04927adead697747c2537e8515c4f2ab0f82210545b0dbf71854113ab058589cad44674
ssdeep: 12288:IhFlPVWAMB6RhrqOX+inmCA16jutAfU4XUFl:IhFld1MB6RFqm+inm56juKfU4kFl
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:LockScreen-AAJ [Trj] also known as:

GridinSoftTrojan.Ransom.Gen
CynetMalicious (score: 100)
ALYacGen:Variant.Fugrafa.78058
CylanceUnsafe
ZillyaTrojan.FakeAV.Win32.281569
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
AlibabaAdWare:Win32/SystemSecurity.8be57761
Cybereasonmalicious.8a2fdc
CyrenW32/S-e6109aed!Eldorado
SymantecTrojan.FakeAV!gen105
ESET-NOD32Win32/Adware.SystemSecurity.AL
APEXMalicious
AvastWin32:LockScreen-AAJ [Trj]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Fugrafa.78058
NANO-AntivirusTrojan.Win32.FakeAV.cvwrhm
SUPERAntiSpywareTrojan.Agent/Gen-Winwebsec
MicroWorld-eScanGen:Variant.Fugrafa.78058
TencentWin32.Trojan.Fakeav.Htvq
Ad-AwareGen:Variant.Fugrafa.78058
SophosML/PE-A + Mal/FakeAV-OY
VIPRETrojan.Win32.Winwebsec.z (fs)
McAfee-GW-EditionBehavesLike.Win32.Swizzor.gc
FireEyeGeneric.mg.9a46e4c8a2fdc3cf
EmsisoftGen:Variant.Fugrafa.78058 (B)
SentinelOneStatic AI – Suspicious PE
WebrootTrojan.Dropper.Gen
AviraTR/Winwebsec.AJ.91
Antiy-AVLTrojan/Generic.ASMalwS.1DC039
KingsoftWin32.Troj.FakeAV.rh.(kcloud)
MicrosoftRogue:Win32/Winwebsec
ArcabitTrojan.Fugrafa.D130EA
GDataGen:Variant.Fugrafa.78058
TACHYONTrojan/W32.FakeAV.507904.E
AhnLab-V3Trojan/Win32.FakeAV.R68394
Acronissuspicious
McAfeeFake-SecTool!9A46E4C8A2FD
MAXmalware (ai score=100)
VBA32OScope.Malware-Cryptor.Hlux
PandaTrj/Genetic.gen
RisingTrojan.Generic@ML.82 (RDMK:tlWIJSqrOsmaiKpLZGi4NQ)
YandexTrojan.FakeAV!7985VbKFluQ
IkarusTrojan.Win32.FakeAV
MaxSecureTrojan.Malware.300983.susgen
FortinetRiskware/SystemSecurity
AVGWin32:LockScreen-AAJ [Trj]
Qihoo-360Win32/Ransom.PornoBlocker.HwcBEpsA

How to remove Win32:LockScreen-AAJ [Trj] 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.

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-AAJ [Trj] 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-AAJ [Trj] 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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