Ransom:Win32/StopCrypt.PAX!MTB

Spectating the Ransom:Win32/StopCrypt.PAX!MTB detection name means that your system is in big danger. This virus can correctly be identified as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Deleteing it requires some specific steps that must be taken as soon as possible.

Ransom:Win32/StopCrypt.PAX!MTB detection is a malware detection you can spectate in your system. It often appears after the provoking actions on your PC – opening the suspicious email messages, clicking the banner in the Internet or mounting the program from unreliable resources. From the instance it shows up, you have a short time to do something about it until it starts its harmful activity. And be sure – it is better not to wait for these malicious things.

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

Ransom:Win32/StopCrypt.PAX!MTB is ransomware-type malware. It looks for the files on your disk drive, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware additionally does a lot of damage to your system. It alters the networking settings in order to prevent you from reading the removal articles or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt.PAX!MTB can also block the setup of anti-malware programs.

Ransom:Win32/StopCrypt.PAX!MTB Summary

In summary, Ransom:Win32/StopCrypt.PAX!MTB malware activities 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;
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • HTTPS urls from behavior.;
  • Enumerates running processes;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Marathi;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Writes a potential ransom message to disk;
  • Behavioural detection: Injection (inter-process);
  • Behavioural detection: Transacted Hollowing;
  • Created a process from a suspicious location;
  • Collects and encrypts information about the computer likely to send to C2 server;
  • Installs itself for autorun at Windows startup;
  • STOP ransomware registry artifacts detected;
  • Likely virus infection of existing system binary;
  • CAPE detected the STOP malware family;
  • Attempts to modify proxy settings;
  • Creates a known STOP-Djvu ransomware decryption instruction / key file.;
  • Creates a known STOP ransomware variant mutex;
  • STOP ransomware command line behavior detected;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files kept on the target’s drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a major problem for the last 4 years. It is difficult to picture a more harmful malware for both individuals and organizations. The algorithms used in Ransom:Win32/StopCrypt.PAX!MTB (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. But that malware does not do all these terrible things immediately – it can take up to several hours to cipher all of your documents. Thus, seeing the Ransom:Win32/StopCrypt.PAX!MTB detection is a clear signal that you need to begin the clearing procedure.

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

Standard tactics of Ransom:Win32/StopCrypt.PAX!MTB spreading are basic for all other ransomware examples. Those are one-day landing websites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a pretty new strategy in malware distribution – you receive the email that mimics some routine notifications about shippings or bank service conditions changes. Within the e-mail, there is a malicious MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

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

Avoiding it looks fairly uncomplicated, however, still demands tons of focus. Malware can hide in different places, and it is better to stop it even before it goes into your computer than to trust in an anti-malware program. Standard cybersecurity knowledge is just an essential item in the modern-day world, even if your interaction with a computer stays on YouTube videos. That can save you a great deal of time and money which you would certainly spend while trying to find a solution.

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

File Info:

name: E24D92BC223E310CFC79.mlwpath: /opt/CAPEv2/storage/binaries/def17ae9bec980437e990d3e312ef23b9742ed93ef6a45e02f0135ffc14a6719crc32: 0C7044DEmd5: e24d92bc223e310cfc79676032042ec1sha1: 6fa14e279731ab14cf2245d338f5920722ad0413sha256: def17ae9bec980437e990d3e312ef23b9742ed93ef6a45e02f0135ffc14a6719sha512: 5e5f44495e6ee1c42eec000dae27287b01eadb31b77ac4f647d061085fe0f66540504a10b8a155b286a13e3a694b2daaabc0e54a131384aed0931a98e05bbed1ssdeep: 24576:MidlusOV7pAR5KwRhnFiTm14M2V7Z5Wu:MiXXZglTm14MO7ZEutype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D705121172918075E2A70D321438DAA64A7BBA336B344DDF73E4037A2E75BD28E74367sha3_384: 8961ac0524d3b45b0d6f797f95d3dc3ea0fe48b47dbafd81fcf7ba3d8d4d15d3119e97657c21ea1420ffde0700f3311dep_bytes: e8393d0000e989feffff8bff558bec83timestamp: 2021-09-02 02:44:04

Version Info:

FileVersion: 8.71.86.86Copyrighz: Copyright (C) 2022, pazkarteProjectVersion: 28.81.74.73

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

Bkav W32.AIDetect.malware1
tehtris Generic.Malware
ClamAV Win.Malware.Filerepmalware-9941437-0
FireEye Generic.mg.e24d92bc223e310c
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Cybereason malicious.79731a
Cyren W32/Kryptik.GKN.gen!Eldorado
Symantec Packed.Generic.525
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Kryptik.HPKT
APEX Malicious
Cynet Malicious (score: 100)
Avast PWSX-gen [Trj]
McAfee-GW-Edition BehavesLike.Win32.Generic.bc
Sophos ML/PE-A
SentinelOne Static AI – Malicious PE
Microsoft Ransom:Win32/StopCrypt.PAX!MTB
Acronis suspicious
Malwarebytes Trojan.MalPack.GS
Rising Trojan.Agent!8.B1E (TFE:dGZlOgW9/EXDKenZ8Q)
Ikarus Trojan.Bulta
MaxSecure Trojan.Malware.300983.susgen
AVG PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)

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

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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