What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.SS!MTB detection usually means that your system is in big danger. This malware can correctly be named as ransomware – virus which encrypts your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.SS!MTB detection is a malware detection you can spectate in your system. It often appears after the provoking procedures on your computer – opening the dubious email messages, clicking the advertisement in the Web or mounting the program from unreliable sources. From the second it appears, you have a short time to act before it begins its destructive action. And be sure – it is better not to wait for these destructive actions.

What is Ransom:Win32/StopCrypt.SS!MTB virus?

Ransom:Win32/StopCrypt.SS!MTB is ransomware-type malware. It searches for the documents on your computer, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware additionally does a lot of harm to your system. It changes the networking settings in order to prevent you from looking for the elimination articles or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt.SS!MTB can also prevent the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SS!MTB Summary

In summary, Ransom:Win32/StopCrypt.SS!MTB ransomware activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Georgian;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • CAPE detected the Tofsee malware family;
  • Deletes executed files from disk;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files located on the victim’s drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a nightmare for the last 4 years. It is challenging to imagine a more hazardous malware for both individual users and companies. The algorithms utilized in Ransom:Win32/StopCrypt.SS!MTB (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these horrible things immediately – it can require up to a few hours to cipher all of your files. Hence, seeing the Ransom:Win32/StopCrypt.SS!MTB detection is a clear signal that you should start the removal procedure.

Where did I get the Ransom:Win32/StopCrypt.SS!MTB?

Typical methods of Ransom:Win32/StopCrypt.SS!MTB distribution are basic for all other ransomware variants. Those are one-day landing websites where victims are offered to download the free app, so-called bait emails and hacktools. Bait emails are a quite modern method in malware distribution – you receive the email that mimics some standard notifications about shipments or bank service conditions updates. Inside of the email, there is a malicious MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

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

Avoiding it looks quite easy, however, still requires tons of awareness. Malware can hide in different places, and it is better to stop it even before it gets into your computer than to rely upon an anti-malware program. Common cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a computer remains on YouTube videos. That can keep you a great deal of money and time which you would certainly spend while seeking a fix guide.

Ransom:Win32/StopCrypt.SS!MTB malware technical details

File Info:

name: 10CBD44BE53B6C9E1883.mlw
path: /opt/CAPEv2/storage/binaries/fdc66142f0d6e1c346f720539c850ca7a30c27d734771711ed50b33eb0782e66
crc32: 19889D4C
md5: 10cbd44be53b6c9e1883a165c7fb3314
sha1: 45b4eb7538f2ed7fde6fa738080b7eecfa3a91d0
sha256: fdc66142f0d6e1c346f720539c850ca7a30c27d734771711ed50b33eb0782e66
sha512: 9fd53e3ca9201c498b3d493be7ccc2f2279d6bb66e7a010d7419095ae5d97846e89a8576c4c819f1d2372b3510fc256b1dd3273213b8c2d17f532537e74072e5
ssdeep: 6144:N2FQtMv7x95GyqL8vIUyi1DLrBrwVfquS0:wFgaT5GyqL8AFiFBd
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CE44C021B692C8B1C4052270C466CFA15BBEECF5596486473BA81B9F6FE32C056B731F
sha3_384: 27b36b9de90400711d6853056c7eae72e7aed99174fad0e8c536b978021784a630ca4a5cb746ebe5e0a5048591dabeb7
ep_bytes: e81a530000e978feffff5859870424ff
timestamp: 2021-09-14 18:40:01

Version Info:

InternationalName: povgwaoci.iwe
Copyright: Copyright (C) 2022, somoklos

Ransom:Win32/StopCrypt.SS!MTB also known as:

CrowdStrikewin/malicious_confidence_100% (D)
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Kryptik.HRCO
AvastWin32:CrypterX-gen [Trj]
EmsisoftGen:Variant.Jaik.99366 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=84)
CynetMalicious (score: 100)
RisingTrojan.Generic@AI.100 (RDML:lG8OXpXLnOpPh16JGV1/UQ)
AVGWin32:CrypterX-gen [Trj]

How to remove Ransom:Win32/StopCrypt.SS!MTB?

Ransom:Win32/StopCrypt.SS!MTB malware is extremely hard to remove by hand. It stores its documents in a variety of locations throughout the disk, and can restore itself from one of the elements. Furthermore, various changes in the windows registry, networking settings and also Group Policies are really hard to discover and revert to the original. It is much better to make use of a special tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware removal goals.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its detection databases updated practically every hour. Moreover, it does not have such problems and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for taking out 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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