What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan:Win32/MarsStealer.MB!MTB detection name usually means that your computer is in big danger. This virus can correctly be named as ransomware – virus which ciphers your files and asks you to pay for their decryption. Stopping it requires some specific steps that must be done as soon as possible.
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Trojan:Win32/MarsStealer.MB!MTB detection is a virus detection you can spectate in your system. It generally appears after the provoking actions on your computer – opening the dubious e-mail, clicking the banner in the Web or setting up the program from suspicious sources. From the moment it shows up, you have a short time to act until it starts its harmful action. And be sure – it is better not to wait for these malicious things.

What is Trojan:Win32/MarsStealer.MB!MTB virus?

Trojan:Win32/MarsStealer.MB!MTB is ransomware-type malware. It looks for the files on your computer, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware also does a lot of damage to your system. It alters the networking setups in order to avoid you from reading the removal manuals or downloading the anti-malware program. Sometimes, Trojan:Win32/MarsStealer.MB!MTB can additionally prevent the setup of anti-malware programs.

Trojan:Win32/MarsStealer.MB!MTB Summary

In total, Trojan:Win32/MarsStealer.MB!MTB ransomware actions in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Marathi;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Attempts to modify proxy settings;
  • Encrypting the files kept on the target’s disk drives — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a headache for the last 4 years. It is difficult to realize a more damaging malware for both individual users and corporations. The algorithms utilized in Trojan:Win32/MarsStealer.MB!MTB (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually exists, and possibly will exist. However, that malware does not do all these unpleasant things without delay – it may take up to a few hours to cipher all of your files. Thus, seeing the Trojan:Win32/MarsStealer.MB!MTB detection is a clear signal that you need to begin the elimination procedure.

Where did I get the Trojan:Win32/MarsStealer.MB!MTB?

Usual ways of Trojan:Win32/MarsStealer.MB!MTB injection are standard for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free program, so-called bait emails and hacktools. Bait emails are a quite modern strategy in malware distribution – you get the email that mimics some normal notifications about shippings or bank service conditions modifications. Within the email, there is an infected MS Office file, or a link which opens the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks fairly simple, however, still demands a lot of awareness. Malware can hide in various places, and it is far better to prevent it even before it gets into your computer than to rely on an anti-malware program. Common cybersecurity awareness is just an essential thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may keep you a great deal of time and money which you would spend while looking for a fix guide.

Trojan:Win32/MarsStealer.MB!MTB malware technical details

File Info:

name: 15F6BFF3E16513CC146C.mlw
path: /opt/CAPEv2/storage/binaries/138fab8184f8312d1cd983a8708d851da78ecbc965b375cddce78274709d1033
crc32: A83827D8
md5: 15f6bff3e16513cc146c9b8f8894794b
sha1: a7a0bfdb93a88597f7c9498823c2af6e13c12896
sha256: 138fab8184f8312d1cd983a8708d851da78ecbc965b375cddce78274709d1033
sha512: c76f108c0a16d22e6aa123ab43b4928e6a38ec9e68362519e246ad38449e265a4506f45f5682dbdc4b4b9265702a17a9b32e5e4cf6b51e2e15a398907318425b
ssdeep: 3072:a8yLFA7+uU3UFtA2l9sAHZlvZaCgcKdpgn7YinbmYlNjqSwO:DyLO7+uhFtA2LsivccKYnZbmYbC
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17544D02235A08831C4B3497098758B956A7BB8225B3454CB57E8167F1EF37C22FB9F1B
sha3_384: a0094bef1c1fbcf649c937a78f00a73a5c205e83ebbe1a8025454a8d03ce05971617c688987d54efe51db676e9a9c225
ep_bytes: e891340000e989feffff8bff558bec51
timestamp: 2021-04-30 15:12:39

Version Info:

Copyrighz: Copyright (C) 2022, pazkarte

Trojan:Win32/MarsStealer.MB!MTB also known as:

Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 00589d2d1 )
K7AntiVirusTrojan ( 00589d2d1 )
AvastRansomX-gen [Ransom]
CynetMalicious (score: 100)
RisingTrojan.Generic@AI.95 (RDMK:cmRtazq81BtXYmHe4X4rB8YfAjbo)
SentinelOneStatic AI – Malicious PE
AVGRansomX-gen [Ransom]

How to remove Trojan:Win32/MarsStealer.MB!MTB?

Trojan:Win32/MarsStealer.MB!MTB malware is incredibly difficult to remove by hand. It places its data in a variety of places throughout the disk, and can get back itself from one of the parts. In addition, countless changes in the windows registry, networking configurations and Group Policies are pretty hard to locate and revert to the original. It is better to make use of a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus elimination goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated practically every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal for getting rid of malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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