Ransom.Medusa

Written by Robert Bailey

What is Ransom.Medusa infection?

In this post you will certainly discover concerning the interpretation of Ransom.Medusa and also its unfavorable impact on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to require paying the ransom by a victim.

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Most of the cases, Ransom.Medusa virus will certainly advise its targets to start funds transfer for the objective of counteracting the modifications that the Trojan infection has introduced to the sufferer’s tool.

Ransom.Medusa Summary

These alterations can be as follows:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to stop active services;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Modifies boot configuration settings;
  • Installs itself for autorun at Windows startup;
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Attempts to disable UAC;
  • Attempts to modify UAC prompt behavior;
  • Generates some ICMP traffic;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the target’s hard disk — so the sufferer can no longer utilize the data;
  • Preventing normal accessibility to the sufferer’s workstation;

Ransom.Medusa

One of the most typical networks where Ransom.Medusa Ransomware are infused are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a source that organizes a harmful software program;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s computer or avoid the gadget from functioning in an appropriate manner – while additionally putting a ransom note that states the need for the targets to impact the payment for the objective of decrypting the papers or bring back the data system back to the preliminary condition. In the majority of circumstances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has actually currently been harmed.

Ransom.Medusa circulation networks.

In numerous edges of the world, Ransom.Medusa grows by leaps and bounds. Nevertheless, the ransom notes and also methods of extorting the ransom quantity may vary depending on particular regional (regional) settings. The ransom notes as well as tricks of extorting the ransom money quantity may vary depending on particular neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having discovered some unlicensed applications allowed on the victim’s tool. The sharp then requires the individual to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In countries where software program piracy is less preferred, this approach is not as effective for the cyber frauds. Alternatively, the Ransom.Medusa popup alert may wrongly assert to be stemming from a law enforcement institution as well as will certainly report having located kid porn or various other unlawful data on the tool.

    Ransom.Medusa popup alert might falsely declare to be acquiring from a legislation enforcement establishment and also will report having located kid porn or various other unlawful data on the tool. The alert will in a similar way have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 97F2BE46
md5: 19ddac9782acd73f66c5fe040e86ddee
name: tmp617t86ed
sha1: 24ceba1e2951cde8e41939da21c6ba3030fc531d
sha256: dde3c98b6a370fb8d1785f3134a76cb465cd663db20dffe011da57a4de37aa95
sha512: e7be7472241fdd26db48dbd0311afe821905f6d59dfb56e3dc035944b7346b0767a8af76d110c5f60c0ba0183ca3791e56d9b3c8b9ba887afa111aafc949c1d4
ssdeep: 12288:vN3K5e8nbwFigzk6VVMqX8aQNRMcauV9B/rtiPnA40Q8:hCXbwFigzkQVdXvlcayDh49
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.Medusa also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malwareA
DrWeb Trojan.DownLoader30.27698
MicroWorld-eScan Trojan.GenericKD.41897391
FireEye Generic.mg.19ddac9782acd73f
CAT-QuickHeal Ransom.Medusa.S13913779
McAfee Ransomware-GRC!19DDAC9782AC
Malwarebytes Ransom.Medusa
Zillya Trojan.Filecoder.Win32.10593
Sangfor Malware
K7AntiVirus Trojan ( 0055936b1 )
Alibaba Trojan:Win32/DelShad.b0dd11e0
K7GW Trojan ( 0055936b1 )
Cybereason malicious.e2951c
Invincea heuristic
BitDefenderTheta Gen:NN.ZexaF.34128.PuW@a0ApMFmi
Symantec Trojan.Gen.2
ESET-NOD32 a variant of Win32/Filecoder.MedusaLocker.C
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-Ransom.Win32.Medusa.a
BitDefender Trojan.GenericKD.41897391
NANO-Antivirus Trojan.Win32.DelShad.gdgfzg
Avast Win32:Malware-gen
Tencent Malware.Win32.Gencirc.10b88231
TACHYON Ransom/W32.MedusaLocker.676864
Sophos Mal/Ransom-FX
Comodo Malware@#1wd2g85h9bo7y
F-Secure Heuristic.HEUR/AGEN.1123940
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.MEDUSALOCKER.A
McAfee-GW-Edition BehavesLike.Win32.BrowseFox.jh
Emsisoft Trojan.FileCoder (A)
Ikarus Trojan-Ransom.Medusalocker
Jiangmin Trojan.DelShad.if
Webroot W32.Ransom.Gen
Avira HEUR/AGEN.1123940
Antiy-AVL Trojan/Win32.DelShad
Microsoft Ransom:Win32/Ako!MSR
Arcabit Trojan.Generic.D27F4DAF
AegisLab Trojan.Win32.Medusa.tqU6
ZoneAlarm Trojan-Ransom.Win32.Medusa.a
GData Win32.Trojan-Ransom.Filecoder.BO
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.FileCoder.R295566
ALYac Trojan.Ransom.Filecoder
MAX malware (ai score=100)
VBA32 Trojan.DelShad
Cylance Unsafe
TrendMicro-HouseCall Ransom.Win32.MEDUSALOCKER.A
Rising Ransom.Medusa!1.BE63 (CLOUD)
Yandex Trojan.DelShad!
MaxSecure Trojan.Malware.74630872.susgen
Fortinet W32/Filecoder.NYA!tr.ransom
Ad-Aware Trojan.GenericKD.41897391
AVG Win32:Malware-gen
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.369

How to remove Ransom.Medusa 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 Ransom.Medusa 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.Medusa 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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