What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.MZG!MTB detection name usually means that your computer is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some unusual steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.MZG!MTB detection is a malware detection you can spectate in your system. It frequently appears after the provoking procedures on your PC – opening the dubious e-mail, clicking the banner in the Internet or installing the program from untrustworthy resources. From the moment it appears, you have a short time to do something about it before it begins its malicious activity. And be sure – it is much better not to await these malicious things.

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

Ransom:Win32/StopCrypt.MZG!MTB is ransomware-type malware. It searches for the files on your computer, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus also does a ton of damage to your system. It changes the networking settings in order to avoid you from looking for the elimination articles or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt.MZG!MTB can additionally stop the setup of anti-malware programs.

Ransom:Win32/StopCrypt.MZG!MTB Summary

In summary, Ransom:Win32/StopCrypt.MZG!MTB virus actions in the infected PC 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;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • Enumerates the modules from a process (may be used to locate base addresses in process injection);
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Kyrgyz;
  • Authenticode signature is invalid;
  • CAPE detected the RedLine malware family;
  • Ciphering the documents located 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 security tools

Ransomware has actually been a horror story for the last 4 years. It is difficult to imagine a more hazardous virus for both individuals and organizations. The algorithms utilized in Ransom:Win32/StopCrypt.MZG!MTB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy already exists, and possibly will exist. However, that malware does not do all these horrible things immediately – it may require up to a few hours to cipher all of your documents. Thus, seeing the Ransom:Win32/StopCrypt.MZG!MTB detection is a clear signal that you must start the removal process.

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

Typical tactics of Ransom:Win32/StopCrypt.MZG!MTB distribution are basic for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free program, so-called bait emails and hacktools. Bait e-mails are a quite new method in malware spreading – you get the email that imitates some routine notifications about shipments or bank service conditions shifts. Inside of the email, there is a corrupted MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly easy, but still needs a lot of focus. Malware can hide in different spots, and it is far better to prevent it even before it invades your PC than to depend on an anti-malware program. Essential cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a PC stays on YouTube videos. That may save you a lot of time and money which you would certainly spend while trying to find a solution.

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

File Info:

name: 26BE3C0C5533FFDFD776.mlw
path: /opt/CAPEv2/storage/binaries/8978ac77fcf0acbcfd44eef20ffad25b3a168fedc926f6f729060ae33c0bccdb
crc32: 3EC83487
md5: 26be3c0c5533ffdfd776e8798d9f624b
sha1: b7015b77ac7580e7589fe09807730993f049bab7
sha256: 8978ac77fcf0acbcfd44eef20ffad25b3a168fedc926f6f729060ae33c0bccdb
sha512: b6b4d121944a0f721bb5a83892020c190263f2b9222fc1151db5279922b646289d6a664500d662328af368ffcdcc3f01ce443f7d23cc9dfbbc72dc511090b59a
ssdeep: 6144:y0cLSwGD+NMHy2BQpbG6Sl227kN9zanQWoLzJg6oHvG7ITsqYigavwVfG:y0cuwGD+NMHyZG602l9zrVzJ1n7u7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18EA4E0D07690C8B1D49D3D728915CBE05B7BF872D6A49407FB34972E1EB23D0CA6631A
sha3_384: 83808bf47dccc7e667728751aa8dc393f61fe970ff13f3e6827be3dc0169f3bd489bca707c4c6b45633091bdbaf4c1d9
ep_bytes: e8215d0000e978feffff832544c94500
timestamp: 2020-08-07 03:17:57

Version Info:

InternationalName: bomgveoci.iwa
Copyright: Copyrighz (C) 2021, fudkorta
Translations: 0x0121 0x03ca

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

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 003e58dd1 )
K7GWTrojan ( 003e58dd1 )
CrowdStrikewin/malicious_confidence_100% (W)
ESET-NOD32a variant of Win32/Kryptik.HOEL
AvastWin32:CrypterX-gen [Trj]
SophosML/PE-A + Mal/Agent-AWV
EmsisoftTrojan.GenericKD.48173347 (B)
CynetMalicious (score: 100)
MAXmalware (ai score=81)
RisingMalware.Heuristic!ET#82% (RDMK:cmRtazoNX8bJHgF3+hSXRdyuunvH)
SentinelOneStatic AI – Malicious PE
AVGWin32:CrypterX-gen [Trj]

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

Ransom:Win32/StopCrypt.MZG!MTB malware is very difficult to remove manually. It stores its files in several locations throughout the disk, and can recover itself from one of the parts. Moreover, various changes in the registry, networking configurations and also Group Policies are fairly hard to locate and return to the initial. It is far better to use a specific program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination reasons.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated nearly every hour. Additionally, it does not have such bugs and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for getting rid of malware of any form.

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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