Worm:Win32/Gamarue!ml

Written by Robert Bailey

What is Worm:Win32/Gamarue!ml infection?

In this article you will certainly find concerning the interpretation of Worm:Win32/Gamarue!ml as well as its adverse effect on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a target.

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Most of the situations, Worm:Win32/Gamarue!ml virus will certainly advise its targets to launch funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Worm:Win32/Gamarue!ml Summary

These alterations 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Sniffs keystrokes;
  • 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
  • Ciphering the files situated on the victim’s disk drive — so the victim can no more use the data;
  • Preventing routine access 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.

Worm:Win32/Gamarue!ml

The most normal networks whereby Worm:Win32/Gamarue!ml Ransomware 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 an effect of user ending up on a resource that holds a malicious software;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or protect against the gadget from operating in an appropriate way – while additionally placing a ransom money note that discusses the demand for the sufferers to impact the settlement for the objective of decrypting the records or restoring the data system back to the first problem. In the majority of circumstances, the ransom money note will show up when the customer restarts the PC after the system has actually currently been harmed.

Worm:Win32/Gamarue!ml circulation networks.

In different edges of the globe, Worm:Win32/Gamarue!ml expands by leaps and bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom amount may vary depending upon certain regional (local) settings. The ransom notes and also techniques of obtaining the ransom amount might differ depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software.

    In specific areas, the Trojans often wrongfully report having actually detected some unlicensed applications allowed on the target’s gadget. The alert then requires the user to pay the ransom money.

    Faulty statements concerning prohibited material.

    In countries where software application piracy is less preferred, this technique is not as reliable for the cyber fraudulences. Alternatively, the Worm:Win32/Gamarue!ml popup alert might falsely declare to be deriving from a law enforcement institution and also will certainly report having located youngster porn or various other unlawful data on the tool.

    Worm:Win32/Gamarue!ml popup alert may wrongly declare to be obtaining from a legislation enforcement organization as well as will certainly report having situated child pornography or other illegal data on the device. The alert will likewise consist of a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 246DBC0E
md5: 38f89c82a0b3e741144f46f60056a388
name: 38F89C82A0B3E741144F46F60056A388.mlw
sha1: fe50c86ddb34a2dcb55130e84a632055a12b1aaf
sha256: 807b24de2c23925c22da6a4ec8f405d7fed1f15f17ed3015a103d53c08c154d9
sha512: beca541e89ae15d4ab31123c33821be23a4dbc357aa63de72b66940d606fe066d957d659c237496d78473550e201bfa8ca6a19d75e9977f782320a32ddc34feb
ssdeep: 768:BIpqhmTfOdNofX5gnSBH6/qqdJfdrmSLpe9XpIIPDuryy0DzokzyczZ4dEnEfv8n:6eOOdcgnSBaHJ3IZDDur+okzLZK7Jg
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

Translation: 0x0409 0x04b0
LegalCopyright: The world's largest Armenian singles and dating community with video chat. Browse the profiles and photos of Armenian men and women for free.
InternalName: Project1
FileVersion: 1.00
CompanyName: The world's largest Armenian singles and dating community with video chat. Browse the profiles and photos of Armenian men and women for free.
LegalTrademarks: The world's largest Armenian singles and dating community with video chat. Browse the profiles and photos of Armenian men and women for free.
Comments: The world's largest Armenian singles and dating community with video chat. Browse the profiles and photos of Armenian men and women for free.
ProductName: The world's largest Armenian singles and dating community with video chat. Browse the profiles and photos of Armenian men and women for free.
ProductVersion: 1.00
FileDescription: The world's largest Armenian singles and dating community with video chat. Browse the profiles and photos of Armenian men and women for free.
OriginalFilename: Project1.exe

Worm:Win32/Gamarue!ml also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.VbCrypt.229
Cynet Malicious (score: 100)
ALYac Gen:Trojan.ProcessHijack.emNfaG2Kyiii
Sangfor Trojan.Win32.Dropper.Gen
CrowdStrike win/malicious_confidence_100% (D)
Cybereason malicious.2a0b3e
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/LockScreen.AKW
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Trojan.ProcessHijack.emNfaG2Kyiii
NANO-Antivirus Trojan.Win32.Gimemo.xpfxq
ViRobot Trojan.Win32.A.Gimemo.68746[UPX]
MicroWorld-eScan Gen:Trojan.ProcessHijack.emNfaG2Kyiii
Tencent Win32.Trojan.Gimemo.voy
Ad-Aware Gen:Trojan.ProcessHijack.emNfaG2Kyiii
Sophos Mal/Generic-S
Comodo Malware@#36d5m48sahzhd
BitDefenderTheta Gen:NN.ZevbaF.34628.emNfaG2Kyiii
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.kc
FireEye Generic.mg.38f89c82a0b3e741
Emsisoft Gen:Trojan.ProcessHijack.emNfaG2Kyiii (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira TR/Dropper.Gen
Microsoft Worm:Win32/Gamarue!ml
AegisLab Trojan.Win32.Gimemo.j!c
GData Gen:Trojan.ProcessHijack.emNfaG2Kyiii
AhnLab-V3 Trojan/Win32.Gimemo.R36321
McAfee Artemis!38F89C82A0B3
MAX malware (ai score=81)
VBA32 Hoax.Gimemo
Malwarebytes Malware.Heuristic.1003
Panda Trj/Genetic.gen
Rising Trojan.VBInject!1.65F7 (CLOUD)
Yandex Trojan.Gimemo!QI7DAHXXBz0
Ikarus Trojan-Ransom.Gimemo
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Genasom.HwsBEpsA

How to remove Worm:Win32/Gamarue!ml 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 Worm:Win32/Gamarue!ml 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 Worm:Win32/Gamarue!ml 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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