Ransom:Win32/StopCrypt.MZF!MTB

Spectating the Ransom:Win32/StopCrypt.MZF!MTB detection name usually means that your system is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be taken as soon as possible.

Ransom:Win32/StopCrypt.MZF!MTB detection is a virus detection you can spectate in your computer. It frequently appears after the preliminary procedures on your computer – opening the untrustworthy e-mail messages, clicking the banner in the Web or mounting the program from dubious sources. From the instance it appears, you have a short time to do something about it before it starts its malicious activity. And be sure – it is better not to await these harmful actions.

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

Ransom:Win32/StopCrypt.MZF!MTB is ransomware-type malware. It looks for the files on your disks, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware also does a lot of harm to your system. It changes the networking setups in order to avoid you from checking out the elimination tutorials or downloading the anti-malware program. In some cases, Ransom:Win32/StopCrypt.MZF!MTB can even block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.MZF!MTB Summary

In total, Ransom:Win32/StopCrypt.MZF!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;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Chinese;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Ciphering the files kept on the victim’s drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a nightmare for the last 4 years. It is challenging to imagine a more hazardous virus for both individual users and businesses. The algorithms utilized in Ransom:Win32/StopCrypt.MZF!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 currently exists, and possibly will exist. But that virus does not do all these bad things without delay – it can take up to a few hours to cipher all of your documents. Hence, seeing the Ransom:Win32/StopCrypt.MZF!MTB detection is a clear signal that you must begin the clearing procedure.

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

Typical ways of Ransom:Win32/StopCrypt.MZF!MTB injection are standard for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait emails are a pretty new tactic in malware distribution – you receive the e-mail that simulates some routine notifications about shipments or bank service conditions updates. Inside of the e-mail, there is a corrupted MS Office file, or a web 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 fairly simple, but still needs a lot of attention. Malware can hide in various spots, and it is far better to prevent it even before it goes into your computer than to rely upon an anti-malware program. Simple cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a computer remains on YouTube videos. That may keep you a lot of money and time which you would spend while seeking a solution.

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

File Info:

name: 3CAB009FCA0C8A4F5FB3.mlwpath: /opt/CAPEv2/storage/binaries/60a3322cbdb5caf90c4545ff16d22d685b3570749c26c184c38c3e74c26b8167crc32: 83F028C1md5: 3cab009fca0c8a4f5fb3ae33103470bdsha1: df124db9dd161f0830936fc20e7a6071c92c9ff0sha256: 60a3322cbdb5caf90c4545ff16d22d685b3570749c26c184c38c3e74c26b8167sha512: 42586e2adb0b7b186ae50b7d7c7eb6ba1c9a10dac224cd3df108a24aa427fc4f51dd20fca74205450f92e4b58cc1a9ec897dea1c2c62bf75dca3fc695341a5a1ssdeep: 3072:MBuaYDomPPSPbQbclLXkhYsza8y7+Rx6VoKk2vWrxpzbgqru:MtmPPSkbcyhYs28y7+zvKFvuzbgwutype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1CD54AD31F5EBC871C49305358821DAA19A3AF8317A65958F3764173E5F30E8C8AE637Esha3_384: a1f5e65f8f41523a01c83b3d14489a8dbef24b63e40fff7f4f7b8f221af55c5baa97d4b438a404c97a8cad60bbcb1a86ep_bytes: e8c25e0000e978feffffcccccccccccctimestamp: 2020-07-21 18:29:12

Version Info:

InternationalName: bomgvioci.iwaCopyright: Copyrighz (C) 2021, fudkortProjectVersion: 3.10.70.17Translation: 0x0129 0x0794

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

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Injuke.trXd
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.38502940
FireEye Generic.mg.3cab009fca0c8a4f
ALYac Trojan.GenericKD.38502940
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0053d5971 )
Alibaba TrojanSpy:Win32/Stealer.a388b1e6
K7GW Trojan ( 0053d5971 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/Qbot.FK.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HNZI
APEX Malicious
ClamAV Win.Trojan.Generic-9935605-0
Kaspersky HEUR:Trojan-Spy.Win32.Stealer.gen
BitDefender Trojan.GenericKD.38502940
Avast Win32:CrypterX-gen [Trj]
Ad-Aware Trojan.GenericKD.38502940
Sophos Mal/Generic-R + Mal/Agent-AWV
F-Secure Trojan.TR/AD.MalwareCrypter.ssazf
DrWeb Trojan.PWS.Stealer.26952
TrendMicro TROJ_GEN.R002C0PAD22
McAfee-GW-Edition BehavesLike.Win32.Injector.dm
Emsisoft Trojan.GenericKD.38502940 (B)
Ikarus Trojan.Win32.Crypt
GData Win32.Trojan.BSE.16VOW5Z
Avira TR/AD.MalwareCrypter.ssazf
MAX malware (ai score=80)
Antiy-AVL Trojan/Win32.SGeneric
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Arcabit Trojan.Generic.D24B821C
Microsoft Ransom:Win32/StopCrypt.MZF!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.MalPE.R464704
McAfee GenericRXAA-AA!3CAB009FCA0C
VBA32 BScope.TrojanSpy.Stealer
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall TROJ_GEN.R002C0PAD22
Rising Trojan.Kryptik!1.DB29 (CLOUD)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_50%
Fortinet W32/GenKryptik.ERHN!tr
BitDefenderTheta Gen:NN.ZexaF.34160.rqW@a0kjQ4mG
AVG Win32:CrypterX-gen [Trj]
Cybereason malicious.9dd161
Panda Trj/GdSda.A
MaxSecure Trojan.Malware.300983.susgen

How to remove Ransom:Win32/StopCrypt.MZF!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.

Leave a Comment