Trojan-Ransom.Locky (A)

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

In this post you will discover concerning the meaning of Trojan-Ransom.Locky (A) and also its adverse influence on your computer. Such ransomware are a form of malware that is specified by online scams to demand paying the ransom by a target.

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In the majority of the situations, Trojan-Ransom.Locky (A) ransomware will advise its sufferers to start funds move for the function of counteracting the changes that the Trojan infection has introduced to the target’s device.

Trojan-Ransom.Locky (A) Summary

These alterations can be as complies with:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (3 unique times);
  • 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;
  • Enumerates services, possibly for anti-virtualization;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Creates a copy of itself;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s disk drive — so the sufferer can no more use the information;
  • Preventing normal access to the victim’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
microsoft-com.mail.protection.outlook.com Gen:Heur.Ransom.Lukitos.1

Trojan-Ransom.Locky (A)

One of the most normal channels through which Trojan-Ransom.Locky (A) Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of customer ending up on a resource that organizes a harmful software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or protect against the tool from operating in a proper fashion – while additionally positioning a ransom money note that states the need for the sufferers to impact the repayment for the purpose of decrypting the files or recovering the file system back to the first condition. In most instances, the ransom money note will come up when the client reboots the COMPUTER after the system has already been harmed.

Trojan-Ransom.Locky (A) circulation networks.

In different edges of the world, Trojan-Ransom.Locky (A) expands by jumps and also bounds. Nevertheless, the ransom notes and methods of extorting the ransom money quantity might vary relying on certain regional (regional) settings. The ransom notes as well as techniques of extorting the ransom quantity might differ depending on specific regional (local) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having detected some unlicensed applications enabled on the victim’s tool. The alert then requires the customer to pay the ransom.

    Faulty statements concerning unlawful content.

    In nations where software piracy is less preferred, this technique is not as efficient for the cyber scams. Additionally, the Trojan-Ransom.Locky (A) popup alert may incorrectly declare to be stemming from a law enforcement institution as well as will report having located kid porn or various other illegal data on the device.

    Trojan-Ransom.Locky (A) popup alert may falsely declare to be deriving from a law enforcement establishment and will certainly report having situated youngster porn or various other unlawful data on the device. The alert will in a similar way have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 05C89CB7
md5: 8404f6d12209e19edfbfb85aaa83ca6b
name: 8404F6D12209E19EDFBFB85AAA83CA6B.mlw
sha1: ed28ab1b0858ed2420b5cc5cb7185846d283c5fe
sha256: d3a3bd453a75351e918a94d4f7fa06efb8c4e8159ef26585f2ad588f0d429a61
sha512: 53d6e9321cdcf2073f3b0a18ddf593b26b55d94c875d512191b330854a02859463a3a9440eeca5ad885cf506cfec386b4dcf6b286c5b2b964c9987557b01a56b
ssdeep: 1536:ddBbnBsHkwAhCnAXy1EpBOZILxxEIdd8ORpRI+X5goy5uuuuuuuuuuuuuuuuuuu:nBbqEwAhuQBHuApRvJTy
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Siggen10.47573
MicroWorld-eScan Gen:Heur.Ransom.Lukitos.1
FireEye Generic.mg.8404f6d12209e19e
CAT-QuickHeal Ransom.Exxroute.A4
ALYac Gen:Heur.Ransom.Lukitos.1
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 0051679a1 )
BitDefender Gen:Heur.Ransom.Lukitos.1
K7GW Trojan ( 0051679a1 )
CrowdStrike win/malicious_confidence_100% (D)
TrendMicro Ransom_CERBER.SMALY0
BitDefenderTheta Gen:NN.ZexaF.34634.@tW@aeoisSi
Cyren W32/S-b5c6bae6!Eldorado
Symantec Packed.Generic.493
TrendMicro-HouseCall Ransom_CERBER.SMALY0
Avast Win32:Trojan-gen
ClamAV Win.Ransomware.Tofsee-9515908-1
Kaspersky HEUR:Trojan-Dropper.Win32.Agent.pef
Rising Trojan.Kryptik!1.B3B3 (CLASSIC)
Ad-Aware Gen:Heur.Ransom.Lukitos.1
Sophos Mal/Elenoocka-E
VIPRE Lookslike.Win32.Sirefef.wa (v)
Invincea ML/PE-A + Mal/Elenoocka-E
McAfee-GW-Edition BehavesLike.Win32.Ransomware.rh
Emsisoft Trojan-Ransom.Locky (A)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Locky.dki
MaxSecure Trojan.Malware.121218.susgen
Avira HEUR/AGEN.1120889
Microsoft Backdoor:Win32/Tofsee.T
Gridinsoft Trojan.Heur!.03012021
Arcabit Trojan.Ransom.Lukitos.1
ZoneAlarm HEUR:Trojan-Dropper.Win32.Agent.pef
GData Gen:Heur.Ransom.Lukitos.1
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Lukitus3.Exp
Acronis suspicious
McAfee Ransomware-GFC!8404F6D12209
MAX malware (ai score=89)
VBA32 Trojan.FakeAV.01657
Malwarebytes Trojan.MalPack
APEX Malicious
ESET-NOD32 a variant of Win32/Kryptik.FWKV
Tencent Malware.Win32.Gencirc.10b0fe33
Yandex Trojan.GenAsa!6w0IfacqLUI
Ikarus Trojan-Ransom.Locky
Fortinet W32/GenKryptik.CRPN!tr
AVG Win32:Trojan-gen
Cybereason malicious.12209e
Qihoo-360 HEUR/QVM19.1.3E7F.Malware.Gen

How to remove Trojan-Ransom.Locky (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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.Locky (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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan-Ransom.Locky (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/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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