Win32/LockScreen.AMI

Written by Robert Bailey

What is Win32/LockScreen.AMI infection?

In this post you will certainly locate about the interpretation of Win32/LockScreen.AMI and also its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom by a target.

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In the majority of the situations, Win32/LockScreen.AMI ransomware will certainly advise its sufferers to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the target’s gadget.

Win32/LockScreen.AMI Summary

These adjustments can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • Detects Sandboxie through the presence of a library;
  • 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
  • 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 files situated on the target’s disk drive — so the target can no more use the information;
  • 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.
Similar behavior
Related domains
z.whorecord.xyz Ransom.Win32.PornoAsset.dbxp
a.tomx.xyz Ransom.Win32.PornoAsset.dbxp

Win32/LockScreen.AMI

One of the most typical networks through which Win32/LockScreen.AMI Ransomware Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of customer winding up on a resource that organizes a harmful software;

As soon as the Trojan is effectively infused, it will either cipher the data on the victim’s PC or stop the device from working in a correct manner – while additionally positioning a ransom note that discusses the need for the sufferers to effect the repayment for the objective of decrypting the records or restoring the file system back to the preliminary problem. In many circumstances, the ransom note will show up when the client restarts the PC after the system has already been damaged.

Win32/LockScreen.AMI circulation channels.

In numerous edges of the world, Win32/LockScreen.AMI expands by leaps as well as bounds. However, the ransom money notes and also methods of obtaining the ransom quantity might vary depending on certain neighborhood (local) settings. The ransom money notes and also techniques of obtaining the ransom amount may vary depending on particular neighborhood (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s gadget. The alert after that requires the user to pay the ransom.

    Faulty statements concerning unlawful content.

    In nations where software program piracy is less popular, this technique is not as effective for the cyber scams. Conversely, the Win32/LockScreen.AMI popup alert might wrongly assert to be deriving from a police establishment and also will certainly report having located child porn or other unlawful data on the device.

    Win32/LockScreen.AMI popup alert may falsely declare to be obtaining from a law enforcement organization and also will certainly report having situated kid pornography or various other illegal data on the tool. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: CA7FB6C5
md5: 5819f80dc066a9ce8ffc48cc916302a3
name: 5819F80DC066A9CE8FFC48CC916302A3.mlw
sha1: 6914b49d4514df17f72372ee689eb9f9e8d86c43
sha256: a34b511719bf58f302827f24050530ccde8e7fc61f7def1095faade639dbebbb
sha512: 643e6eb91861a2fdbd1a28447103cce9656b62909c5fe102e28fbfcad27b86f21be7d966ecc374fd53a3161389f74924b3542916e4581912e03a3d1013409618
ssdeep: 3072:Oz+92mhTMMJ/cPiq5bVioBi21PJ8qJBGCogYpxEy6s3De:Oz+92mhAMJ/cPl3iogHqHYgYzcGe
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.AMI also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004e8e511 )
DrWeb Trojan.MulDrop4.37305
Cynet Malicious (score: 99)
ALYac Trojan.GenericKD.6339100
Cylance Unsafe
Sangfor Ransom.Win32.PornoAsset.dbxp
Alibaba Ransom:Win32/LockScreen.f0406778
K7GW Trojan ( 004e8e511 )
Cybereason malicious.dc066a
Symantec Trojan.Gen
ESET-NOD32 Win32/LockScreen.AMI
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Malware.Zusy-7725353-0
Kaspersky Trojan-Ransom.Win32.PornoAsset.dbxp
BitDefender Trojan.GenericKD.6339100
NANO-Antivirus Trojan.Win32.LockScreen.crqpjo
MicroWorld-eScan Trojan.GenericKD.6339100
Tencent Win32.Trojan.Pornoasset.Sueb
Ad-Aware Trojan.GenericKD.6339100
Sophos Mal/Generic-S
Comodo Suspicious@#1zuc7pzh49k9r
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Trojan-FBZM!5819F80DC066
FireEye Generic.mg.5819f80dc066a9ce
Emsisoft Trojan.GenericKD.6339100 (B)
Avira TR/Dropper.Gen2
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Meredrop
AegisLab Trojan.Win32.PornoAsset.j!c
GData Trojan.GenericKD.6339100
AhnLab-V3 Malware/Win32.Generic.C2321225
McAfee Trojan-FBZM!5819F80DC066
MAX malware (ai score=97)
Panda Trj/CI.A
Fortinet W32/LockScreen.AMI
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/LockScreen.AMI virus?

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 Win32/LockScreen.AMI 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.AMI 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: http://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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