Ransom:Win32/StopCrypt.KS!MTB Virus Removal

Seeing the Ransom:Win32/StopCrypt.KS!MTB detection name usually means that your PC 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 peculiar steps that must be taken as soon as possible.

Ransom:Win32/StopCrypt.KS!MTB detection is a malware detection you can spectate in your system. It usually appears after the provoking activities on your computer – opening the untrustworthy email messages, clicking the banner in the Internet or installing the program from unreliable resources. From the instance it appears, you have a short time to take action before it begins its destructive action. And be sure – it is better not to await these harmful actions.

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

Ransom:Win32/StopCrypt.KS!MTB is ransomware-type malware. It looks for the files on your disks, encrypts 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 damage to your system. It alters the networking setups in order to stop you from reading the removal guides or downloading the antivirus. In some cases, Ransom:Win32/StopCrypt.KS!MTB can even prevent the launching of anti-malware programs.

Ransom:Win32/StopCrypt.KS!MTB Summary

In total, Ransom:Win32/StopCrypt.KS!MTB malware actions in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Sample contains Overlay data;
  • Presents an Authenticode digital signature;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Saami;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Accessed credential storage registry keys;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Encrypting the documents kept on the target’s disk drives — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of security tools

Ransomware has actually been a headache for the last 4 years. It is challenging to realize a more damaging virus for both individual users and businesses. The algorithms used in Ransom:Win32/StopCrypt.KS!MTB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy already exists, and possibly will exist. But that virus does not do all these unpleasant things without delay – it may take up to several hours to cipher all of your documents. Thus, seeing the Ransom:Win32/StopCrypt.KS!MTB detection is a clear signal that you should begin the elimination process.

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

Typical ways of Ransom:Win32/StopCrypt.KS!MTB distribution are typical for all other ransomware variants. Those are one-day landing websites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern method in malware spreading – you get the e-mail that simulates some standard notifications about shipments or bank service conditions changes. Inside of the email, there is an infected 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.

Preventing it looks pretty simple, but still needs a lot of focus. Malware can hide in different spots, and it is better to prevent it even before it gets into your PC than to depend on an anti-malware program. Simple cybersecurity awareness is just an essential item in the modern world, even if your relationship with a computer stays on YouTube videos. That may save you a great deal of money and time which you would spend while seeking a solution.

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

File Info:

name: 4A4F1AE2232ADFCA73B1.mlwpath: /opt/CAPEv2/storage/binaries/a7032f8b9aea271601db6674a9e4c43dfd0d7625dea6da8294768e7fdfce90decrc32: 93E92B86md5: 4a4f1ae2232adfca73b1ee2dcc114ad3sha1: 38f9ff0612971ae67a218c692613118defd55316sha256: a7032f8b9aea271601db6674a9e4c43dfd0d7625dea6da8294768e7fdfce90desha512: 8ea9dd373c94e79732990bd7f30c5ef8425f9826bdaaa465716ee89cf370c10dfe2f0b39b539c7d5d9da513bf85a7aee1d1eadb3d11c1ca355a2d69cdb81da93ssdeep: 98304:Ia3inGKt/6ZpALsWXm8odTyyYqR3xqmOW:z6/6Iy8oYuYpWtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14C16334332907CA5F6235F325F2E86E96B0EFC804E9473DA2A191E1F4D7067AD623716sha3_384: 433c8420948be60a7f33ec049443d128717a5c10e1f86ef6d7a9bfe81402eb6b4b63b6a59bec1db6e4ada1e738eb4f24ep_bytes: e8293a0000e989feffffff350c538100timestamp: 2023-03-12 03:53:19

Version Info:

FileDescriptions: NutsInternalName: Buckiyarn.exeLegalTrademark1: GurumessLegalTrademarks2: GunshuttingOriginalFilename: Buskebaser.exeProductVersion: 76.47.92.28Translation: 0x0709 0x04e2

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

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Windigo.l!c
tehtris Generic.Malware
MicroWorld-eScan Trojan.GenericKD.70271945
Skyhigh Artemis!Trojan
McAfee GenericRXWL-IR!4A4F1AE2232A
Malwarebytes Trojan.MalPack.GS
Sangfor Trojan.Win32.Save.a
BitDefender Trojan.GenericKD.70271945
Cybereason malicious.612971
Symantec ML.Attribute.HighConfidence
Elastic Windows.Trojan.Smokeloader
ESET-NOD32 a variant of Win32/Kryptik.HVEQ
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Dropper.Tofsee-10013797-0
Kaspersky HEUR:Trojan-Spy.Win32.Windigo.gen
Alibaba Ransom:Win32/StopCrypt.50f00ff9
ViRobot Trojan.Win.Z.Windigo.4348792
Rising [email protected] (RDML:R+eiz+CxVtjXQOsuweoa8g)
Sophos Mal/Generic-S
F-Secure Heuristic.HEUR/AGEN.1305378
DrWeb Trojan.PackedENT.147
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.4a4f1ae2232adfca
Emsisoft Trojan.GenericKD.70271945 (B)
Ikarus Trojan-Ransom.StopCrypt
Webroot W32.Windigo
Varist W32/Kryptik.LAE.gen!Eldorado
Avira HEUR/AGEN.1305378
Kingsoft malware.kb.a.998
Microsoft Ransom:Win32/StopCrypt.KS!MTB
Arcabit Trojan.Generic.D43043C9
ZoneAlarm HEUR:Trojan-Spy.Win32.Windigo.gen
GData Trojan.GenericKD.70271945
Google Detected
AhnLab-V3 Trojan/Win.Amadey.R611968
MAX malware (ai score=81)
DeepInstinct MALICIOUS
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R06CH07K723
Tencent Trojan.Win32.Obfuscated.gen
SentinelOne Static AI – Suspicious PE
Fortinet W32/Kryptik.HVEG!tr
AVG Win32:BotX-gen [Trj]
Avast Win32:BotX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom:Win32/StopCrypt.KS!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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