Trojan-Ransom.LockScreen (A)

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

What is Trojan-Ransom.LockScreen (A) infection?

In this short article you will discover about the meaning of Trojan-Ransom.LockScreen (A) and also its adverse effect on your computer system. Such ransomware are a kind of malware that is elaborated by online fraudulences to require paying the ransom money by a victim.

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In the majority of the instances, Trojan-Ransom.LockScreen (A) infection will instruct its sufferers to start funds transfer for the function of counteracting the modifications that the Trojan infection has actually introduced to the victim’s device.

Trojan-Ransom.LockScreen (A) 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 an hook procedure to monitor for mouse events;
  • Sniffs keystrokes;
  • 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.
  • Ciphering the papers found on the target’s hard drive — so the target can no longer use the data;
  • Preventing normal accessibility 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.
Similar behavior
Related domains
z.whorecord.xyz Ransom:Win32/HmBlocker.40f800d4
a.tomx.xyz Ransom:Win32/HmBlocker.40f800d4

Trojan-Ransom.LockScreen (A)

The most regular channels through which Trojan-Ransom.LockScreen (A) Ransomware Trojans are infused are:

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

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s computer or stop the device from operating in a proper fashion – while also positioning a ransom money note that points out the demand for the victims to impact the payment for the objective of decrypting the records or bring back the file system back to the initial problem. In the majority of circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has actually already been harmed.

Trojan-Ransom.LockScreen (A) circulation networks.

In various edges of the world, Trojan-Ransom.LockScreen (A) grows by jumps as well as bounds. However, the ransom notes and also methods of extorting the ransom money quantity might differ relying on particular neighborhood (regional) setups. The ransom money notes as well as methods of obtaining the ransom money quantity might vary depending on specific regional (local) setups.

Ransomware injection

For example:

    Faulty notifies about unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the target’s tool. The sharp then requires the customer to pay the ransom money.

    Faulty statements concerning illegal web content.

    In countries where software piracy is much less preferred, this method is not as efficient for the cyber scams. Additionally, the Trojan-Ransom.LockScreen (A) popup alert might incorrectly declare to be stemming from a law enforcement organization and will report having situated kid porn or other illegal information on the device.

    Trojan-Ransom.LockScreen (A) popup alert might incorrectly assert to be obtaining from a regulation enforcement establishment and also will report having located youngster pornography or other prohibited information on the gadget. The alert will in a similar way consist of a need for the customer to pay the ransom.

Technical details

File Info:

crc32: A84A0CB0
md5: 0ac20402bf7da88caf66bce4748629fd
name: 0AC20402BF7DA88CAF66BCE4748629FD.mlw
sha1: 0dfb4fa67f96de226e2b4a25da21d4a639056b7c
sha256: 4f904a1c05594c3970f78b726607ae8577de6f8c6a78c04bd6aa84dcef4906b1
sha512: fea2bbe6e3c88b69ea9be699a42aab725a9b3e0dbadee330edd8d964a0b8ba3c851b056cf414a3b9944a56ad8ed736c7a82205ae2d69aafb6cfaef65fd338149
ssdeep: 768:WrIIoJq4Ae2OBb+HtEldN8I+RWF8IXYt9Vszzx+8h1XMkT43IiEDQJnVvxLEsVEx:WrNDBuAI+oWII2zfJMkaFVJ5v/jDkU0
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan-Ransom.LockScreen (A) also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.2829
Cynet Malicious (score: 100)
ALYac Gen:Trojan.Heur.JP.guY@ayWGzugk
Cylance Unsafe
Zillya Trojan.HmBlocker.Win32.666
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/HmBlocker.40f800d4
K7GW Trojan ( 0055e4091 )
K7AntiVirus Trojan ( 0055e4091 )
Cyren W32/Ransom.F.gen!Eldorado
Symantec Trojan.Ransomlock
ESET-NOD32 a variant of Win32/LockScreen.ABE
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Hmblocker-950
Kaspersky Trojan-Ransom.Win32.HmBlocker.amz
BitDefender Gen:Trojan.Heur.JP.guY@ayWGzugk
NANO-Antivirus Trojan.Win32.HmBlocker.diwyb
ViRobot Trojan.Win32.A.HmBlocker.100000.E
SUPERAntiSpyware Trojan.Agent/Gen-Undef
MicroWorld-eScan Gen:Trojan.Heur.JP.guY@ayWGzugk
Tencent Win32.Trojan.Hmblocker.Iis
Ad-Aware Gen:Trojan.Heur.JP.guY@ayWGzugk
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Trojan.Ransom.~B@465pcw
BitDefenderTheta AI:Packer.DFF280591F
VIPRE VirTool.Win32.Obfuscator.hg!b1 (v)
TrendMicro TROJ_RANSOM.MO
McAfee-GW-Edition BehavesLike.Win32.Generic.nm
FireEye Generic.mg.0ac20402bf7da88c
Emsisoft Trojan-Ransom.LockScreen (A)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/HmBlocker.gz
Webroot W32.Malware.Gen
Avira TR/Fraud.Gen2
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.26F96C
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Trafog!rts
Arcabit Trojan.Heur.JP.ED61B3
AegisLab Trojan.Win32.HmBlocker.lkxD
ZoneAlarm Trojan-Ransom.Win32.HmBlocker.amz
GData Gen:Trojan.Heur.JP.guY@ayWGzugk
TACHYON Trojan/W32.HmBlocker.100000.F
AhnLab-V3 Trojan/Win32.HmBlocker.R2657
McAfee Ransom-AA
MAX malware (ai score=100)
VBA32 Hoax.HmBlocker
Panda Generic Malware
TrendMicro-HouseCall TROJ_RANSOM.MO
Yandex Trojan.GenAsa!4W9AXsFdovc
Ikarus Trojan-Ransom.HmBlocker
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/HmBlocker.AMZ!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Trojan-Ransom.LockScreen (A) ransomware?

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

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 Trojan-Ransom.LockScreen (A) 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 Trojan-Ransom.LockScreen (A) 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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