Ransom:Win32/StopCrypt.MZD!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.MZD!MTB detection name means that your computer is in big danger. This computer virus can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.
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Ransom:Win32/StopCrypt.MZD!MTB detection is a malware detection you can spectate in your system. It frequently shows up after the provoking activities on your computer – opening the dubious e-mail, clicking the banner in the Web or installing the program from unreliable resources. From the instance it appears, you have a short time to take action until it begins its malicious activity. And be sure – it is much better not to wait for these harmful things.

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

Ransom:Win32/StopCrypt.MZD!MTB is ransomware-type malware. It looks for the files on your disk, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this virus additionally does a ton of harm to your system. It changes the networking settings in order to stop you from reading the removal manuals or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt.MZD!MTB can even block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.MZD!MTB Summary

In summary, Ransom:Win32/StopCrypt.MZD!MTB malware actions in the infected system 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;
  • 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: Hungarian;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Encrypting the documents located on the target’s drives — so the victim cannot check 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 major problem for the last 4 years. It is hard to realize a more damaging virus for both individual users and companies. The algorithms used in Ransom:Win32/StopCrypt.MZD!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 terrible things immediately – it may take up to several hours to cipher all of your documents. Hence, seeing the Ransom:Win32/StopCrypt.MZD!MTB detection is a clear signal that you should begin the clearing procedure.

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

Routine ways of Ransom:Win32/StopCrypt.MZD!MTB spreading are common for all other ransomware variants. Those are one-day landing websites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a relatively modern strategy in malware spreading – you get the email that mimics some normal notifications about shippings or bank service conditions shifts. Inside of the e-mail, there is a corrupted 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 uncomplicated, however, still requires a lot of awareness. Malware can hide in various places, and it is much better to stop it even before it goes into your computer than to rely on an anti-malware program. Common cybersecurity awareness is just an essential item in the modern-day 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 searching for a fixing guide.

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

File Info:

name: FACE20745D3BCC0FD074.mlw
path: /opt/CAPEv2/storage/binaries/97de04afaebf401c629c9b854c13360dde3af5b188a80a0cdfc4609b6b2cef70
crc32: 7F509AFF
md5: face20745d3bcc0fd07410735d0a133a
sha1: 2028fc5a9514755128d0cc8fc63e43124bef9829
sha256: 97de04afaebf401c629c9b854c13360dde3af5b188a80a0cdfc4609b6b2cef70
sha512: ff44b91b382e6c5d9b16e2c8b55681152707d8d6f72369dfbac14bffb7e12e6815566dfea3b02cd502815f841fe823f80a38e8fce56eeb09e6f1df027681164c
ssdeep: 6144:1nLwN44xArT+04xNZ8GdWAViUR3WUHvT3e57ITsq:1nkNDxq+0h2s7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B184F1C1BAD2C571C262387184A6BF501A7B78B2D9B1C10B3B77579E1FB07C04A627E6
sha3_384: c8d075504d01970374c2377ef93e2ddff05e2877af06eacffe6cbbb62cb6e4713733ccad3766b81ba1beecd11c170fcb
ep_bytes: e885310000e979feffff8bff558bec8b
timestamp: 2021-02-01 03:47:14

Version Info:

InternationalName: bomgvioci.iwa
Copyright: Copyrighz (C) 2021, fudkort
ProjectVersion: 3.14.72.77
Translation: 0x0129 0x07bc

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

Bkav W32.AIDetect.malware1
Lionic Trojan.Multi.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Siggen3.9601
MicroWorld-eScan Trojan.GenericKD.38372728
FireEye Generic.mg.face20745d3bcc0f
McAfee Lockbit-FSWW!FACE20745D3B
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0058c5671 )
Alibaba Trojan:Win32/Raccrypt.990ce70d
K7GW Trojan ( 0058c5671 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZexaF.34114.yuW@aO!aWpaK
Cyren W32/Kryptik.FWV.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HNVD
TrendMicro-HouseCall Ransom_StopCrypt.R002C0DLV21
Paloalto generic.ml
ClamAV Win.Dropper.Lockbit-9917808-0
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Trojan.GenericKD.38372728
Avast Win32:CrypterX-gen [Trj]
Ad-Aware Trojan.GenericKD.38372728
Sophos Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
SentinelOne Static AI – Malicious PE
Emsisoft Trojan.GenericKD.38372728 (B)
Ikarus Trojan.Win32.Crypt
GData Trojan.GenericKD.38372728
Jiangmin Trojan.Stop.crp
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Arcabit Trojan.Generic.D2498578
Microsoft Ransom:Win32/StopCrypt.MZD!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.FSWW.R461226
Acronis suspicious
ALYac Trojan.GenericKD.38372728
VBA32 BScope.Trojan.Convagent
Malwarebytes Trojan.MalPack.GS
APEX Malicious
Rising Malware.Heuristic!ET#90% (RDMK:cmRtazrYR6xPTsN41CEU8IjlJ7qn)
MAX malware (ai score=84)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.ERHN!tr
AVG Win32:CrypterX-gen [Trj]
Cybereason malicious.a95147
Panda Trj/GdSda.A

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

Ransom:Win32/StopCrypt.MZD!MTB malware is extremely hard to delete manually. It stores its data in numerous locations throughout the disk, and can recover itself from one of the parts. Moreover, a range of alterations in the registry, networking settings and Group Policies are pretty hard to identify and return to the original. It is much better to make use of a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for virus elimination objectives.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated almost every hour. Furthermore, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for clearing away 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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