Ransom:Win32/MedusaLocker.A!MTB (MedusaLocker Ransomware)

Written by Robert Bailey

What is Ransom:Win32/MedusaLocker.A!MTB infection?

In this short article you will find concerning the meaning of Ransom:Win32/MedusaLocker.A!MTB and also its adverse impact on your computer. Such ransomware are a type of malware that is specified by on-line frauds to demand paying the ransom by a victim.

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Most of the situations, Ransom:Win32/MedusaLocker.A!MTB ransomware will certainly instruct its sufferers to launch funds move for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s tool.

Ransom:Win32/MedusaLocker.A!MTB Summary

These adjustments can be as adheres to:

  • Performs some HTTP requests;
  • 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.
  • Creates a copy of itself;
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Attempts to modify UAC prompt behavior;
  • Ciphering the documents found on the sufferer’s hard drive — so the target can no longer make use of the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Generic.Ransom.MedusaLocker.942644D7
a.tomx.xyz Generic.Ransom.MedusaLocker.942644D7
redirector.gvt1.com Generic.Ransom.MedusaLocker.942644D7
r1—sn-4g5e6ne6.gvt1.com Generic.Ransom.MedusaLocker.942644D7
update.googleapis.com Generic.Ransom.MedusaLocker.942644D7


One of the most normal networks where Ransom:Win32/MedusaLocker.A!MTB Ransomware are injected are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a resource that hosts a harmful software;

As quickly as the Trojan is effectively infused, it will either cipher the information on the target’s PC or protect against the device from functioning in an appropriate fashion – while likewise putting a ransom note that points out the demand for the targets to effect the repayment for the purpose of decrypting the papers or restoring the data system back to the first condition. In most circumstances, the ransom note will turn up when the client reboots the PC after the system has already been harmed.

Ransom:Win32/MedusaLocker.A!MTB circulation networks.

In various corners of the globe, Ransom:Win32/MedusaLocker.A!MTB grows by leaps and also bounds. Nevertheless, the ransom notes as well as methods of extorting the ransom amount may differ depending upon certain neighborhood (local) settings. The ransom notes and also techniques of extorting the ransom money amount might differ depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software program.

    In particular locations, the Trojans typically wrongfully report having found some unlicensed applications enabled on the target’s device. The alert then requires the user to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In nations where software piracy is much less prominent, this method is not as effective for the cyber fraudulences. Conversely, the Ransom:Win32/MedusaLocker.A!MTB popup alert may incorrectly claim to be stemming from a law enforcement establishment and also will report having located kid pornography or various other prohibited information on the device.

    Ransom:Win32/MedusaLocker.A!MTB popup alert may wrongly assert to be deriving from a legislation enforcement institution as well as will certainly report having located kid pornography or various other unlawful information on the gadget. The alert will likewise have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: BE269DBA
md5: 115b22d9cff82d75c28e43f83f55c663
name: 115B22D9CFF82D75C28E43F83F55C663.mlw
sha1: 8c0c54194a88551feec78c5a8416411ed17c4fce
sha256: fbf6c8f0857d888385f6bc0d46523ebcc1634e06d0e96411fc43a8ae4213d1f3
sha512: 9f1a50d735fb30ca0464ad8746929c416d5fee3ee14dfb2fab43abb3e7000e0bf478dc337b8e4fe6c2f8ec6fc2ccc17b73c9429df6799bc91faa04710a0051de
ssdeep: 12288:cPJ4U0TYQivI2qZ7aSgLwkFVpzUvest4ZEbjJLuwJVoM7:JzTYVQ2qZ7aSgLwuVfstRJLjYM
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/MedusaLocker.A!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.SerenaKR.Trojan
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader33.34694
MicroWorld-eScan Generic.Ransom.MedusaLocker.942644D7
FireEye Generic.mg.115b22d9cff82d75
McAfee GenericRXKP-XE!115B22D9CFF8
Malwarebytes Ransom.Medusa
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0055a9531 )
BitDefender Generic.Ransom.MedusaLocker.942644D7
K7GW Trojan ( 0055a9531 )
Cybereason malicious.9cff82
BitDefenderTheta Gen:NN.ZexaF.34780.QuW@aK8T6Ili
Cyren W32/Ransom.OB.gen!Eldorado
Symantec Ransom.Cryptolocker
TrendMicro-HouseCall Ransom.Win32.MEDUSALOCKER.SMTH
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Ransomware.MedusaLocker-9811280-1
Kaspersky Trojan-Ransom.Win32.Medusa.aj
Alibaba Ransom:Win32/MedusaLocker.075a5b0a
NANO-Antivirus Trojan.Win32.Filecoder.hjdojw
ViRobot Trojan.Win32.Medusa.694784
Tencent Malware.Win32.Gencirc.10cdcb68
Ad-Aware Generic.Ransom.MedusaLocker.942644D7
Emsisoft Generic.Ransom.MedusaLocker.942644D7 (B)
Comodo Malware@#37m33z9xzg2si
F-Secure Trojan.TR/AD.MedusaRansom.yvkui
TrendMicro Ransom.Win32.MEDUSALOCKER.SMTH
McAfee-GW-Edition BehavesLike.Win32.OxyPump.jh
Sophos Mal/Generic-S
Jiangmin Trojan.DelShad.vv
Webroot W32.Trojan.Gen
Avira TR/AD.MedusaRansom.yvkui
Antiy-AVL Trojan[Ransom]/Win32.Ako
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/MedusaLocker.A!MTB
Gridinsoft Ransom.Win32.Gen.ko!s1
Arcabit Generic.Ransom.MedusaLocker.942644D7
ZoneAlarm Trojan-Ransom.Win32.Medusa.aj
GData Win32.Trojan-Ransom.Filecoder.BO
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.RL_Generic.R335910
VBA32 Trojan.DelShad
MAX malware (ai score=100)
Panda Trj/GdSda.A
APEX Malicious
ESET-NOD32 a variant of Win32/Filecoder.MedusaLocker.C
Rising Ransom.Medusa!1.C21A (CLASSIC)
Yandex Trojan.Filecoder!IKimDDCJuYs
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_96%
Fortinet W32/Filecoder.NYA!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.294

How to remove Ransom:Win32/MedusaLocker.A!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 GridinSoft2

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.3.

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/MedusaLocker.A!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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:Win32/MedusaLocker.A!MTB you can always ask me in the comments for getting help.

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  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. 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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