What is Ransom:Win32/Phobos.G!MTB infection?

In this short article you will certainly locate about the definition of Ransom:Win32/Phobos.G!MTB as well as its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to require paying the ransom money by a sufferer.

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Most of the cases, Ransom:Win32/Phobos.G!MTB ransomware will certainly instruct its victims to start funds transfer for the objective of reducing the effects of the changes that the Trojan infection has introduced to the target’s tool.

Ransom:Win32/Phobos.G!MTB Summary

These modifications 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.
  • 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.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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 hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Ciphering the documents located on the sufferer’s hard disk drive — so the target can no longer make use of the data;
  • Preventing regular 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.


One of the most regular networks whereby Ransom:Win32/Phobos.G!MTB Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of individual winding up on a resource that organizes a harmful software;

As quickly as the Trojan is successfully infused, it will either cipher the data on the sufferer’s computer or prevent the device from working in a correct way – while additionally putting a ransom money note that states the demand for the sufferers to effect the settlement for the function of decrypting the documents or recovering the data system back to the preliminary problem. In most instances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has actually already been harmed.

Ransom:Win32/Phobos.G!MTB distribution networks.

In different edges of the globe, Ransom:Win32/Phobos.G!MTB grows by leaps and also bounds. However, the ransom money notes and also techniques of extorting the ransom amount might differ relying on certain neighborhood (local) setups. The ransom notes and techniques of obtaining the ransom money quantity might vary depending on particular regional (local) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software program.

    In particular areas, the Trojans often wrongfully report having detected some unlicensed applications enabled on the victim’s device. The sharp after that demands the customer to pay the ransom.

    Faulty declarations concerning unlawful content.

    In countries where software application piracy is much less prominent, this approach is not as efficient for the cyber frauds. Additionally, the Ransom:Win32/Phobos.G!MTB popup alert might wrongly declare to be originating from a police institution and also will certainly report having located kid pornography or various other prohibited data on the device.

    Ransom:Win32/Phobos.G!MTB popup alert may falsely declare to be acquiring from a legislation enforcement institution as well as will report having situated kid porn or various other illegal data on the gadget. The alert will similarly contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 1EA83596
md5: 3c1f8811f2bed2b0737da5cdbe5beed1
name: 3C1F8811F2BED2B0737DA5CDBE5BEED1.mlw
sha1: 18231ae37a8ad9d919a64b091360a62ddd0bab85
sha256: 19c75381a91f336b6b8ca34ac5502d4a72709354b9f151175720184a1aa25116
sha512: 3f5e5dbf7c061352ade2f5cac0b4c6a790dd0723c259ea33ac32244567327116d19f1f61cf4852f986fe3622ec30ce04658f056e0f77be643f6419029cd23a69
ssdeep: 3072:m1r6eDtuSOqMSfPrCvxCZ4C8Pkr7IbTXRqgrdaGZQdJ2OV+MCGHwztW:m1r6iuSBPrCvxCZ4C8PkrChqgrdQuMY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Phobos.G!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.29362
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanRansom.Blocker
ALYac Trojan.Ransom.Phobos
Cylance Unsafe
Zillya Trojan.Blocker.Win32.48432
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Phobos.bb03f781
K7GW Trojan ( 005578141 )
K7AntiVirus Trojan ( 005578141 )
Cyren W32/Ransom.AWDH-1836
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.Phobos.C
Zoner Trojan.Win32.84031
APEX Malicious
Avast Other:Malware-gen [Trj]
Kaspersky Trojan-Ransom.Win32.Blocker.mdic
BitDefender Trojan.AgentWDCR.UQK
NANO-Antivirus Trojan.Win32.Blocker.fzjulh
MicroWorld-eScan Trojan.AgentWDCR.UQK
Tencent Win32.Trojan.Blocker.Ljul
Ad-Aware Trojan.AgentWDCR.UQK
Sophos Mal/Generic-S + Troj/Phobo-G
Comodo Malware@#21wbuaku5ke1d
BitDefenderTheta Gen:NN.ZexaF.34670.kiW@a80Qb0h
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.PHOBOS.AT
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.3c1f8811f2bed2b0
Emsisoft Trojan.AgentWDCR.UQK (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Trojan.Gen
Avira TR/Blocker.nyavn
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Phobos.G!MTB
GData Win32.Trojan.Agent.S12EF1
AhnLab-V3 Malware/Win32.Generic.C3465425
Acronis suspicious
McAfee Trojan-Ransom.g
MAX malware (ai score=100)
VBA32 Malware-Cryptor.Limpopo
Malwarebytes Ransom.Phobos
Panda Trj/WLT.E
TrendMicro-HouseCall Ransom.Win32.PHOBOS.AT
Rising Downloader.Dofoil!8.322 (KTSE)
Yandex Trojan.Blocker!dIe+1BO5mtk
Ikarus Trojan.Win32.Krypt
Fortinet W32/Blocker.G!tr.ransom
AVG Other:Malware-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HxQBGocA

How to remove Ransom:Win32/Phobos.G!MTB 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 Ransom:Win32/Phobos.G!MTB 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 Ransom:Win32/Phobos.G!MTB you can always ask me in the comments for getting help.

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  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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