Ransom:Win32/StopCrypt.PK!MTB

Seeing the Ransom:Win32/StopCrypt.PK!MTB detection means that your PC is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.

Ransom:Win32/StopCrypt.PK!MTB detection is a malware detection you can spectate in your computer. It frequently shows up after the provoking actions on your PC – opening the suspicious email, clicking the banner in the Internet or installing the program from untrustworthy sources. From the instance it shows up, you have a short time to do something about it until it begins its malicious activity. And be sure – it is much better not to await these destructive actions.

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

Ransom:Win32/StopCrypt.PK!MTB is ransomware-type malware. It searches for the files on your disks, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware also does a lot of damage to your system. It modifies the networking settings in order to avoid you from reading the elimination manuals or downloading the anti-malware program. Sometimes, Ransom:Win32/StopCrypt.PK!MTB can additionally block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.PK!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.PK!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;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • HTTPS urls from behavior.;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Spanish (Paraguay);
  • 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;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • CAPE detected the STOP malware family;
  • Attempts to modify proxy settings;
  • Anomalous binary characteristics;
  • Encrypting the files kept on the target’s drives — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of security tools

Related domains:

wpad.local-net HEUR:Trojan-Ransom.Win32.Stop.gen
api.2ip.ua HEUR:Trojan-Ransom.Win32.Stop.gen

Ransomware has actually been a nightmare for the last 4 years. It is hard to realize a more harmful malware for both individual users and organizations. The algorithms utilized in Ransom:Win32/StopCrypt.PK!MTB (generally, 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 actually exists, and possibly will exist. But that malware does not do all these unpleasant things immediately – it may take up to a few hours to cipher all of your documents. Thus, seeing the Ransom:Win32/StopCrypt.PK!MTB detection is a clear signal that you have to begin the clearing process.

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

Standard ways of Ransom:Win32/StopCrypt.PK!MTB spreading are standard for all other ransomware variants. Those are one-day landing web pages where users are offered to download and install the free software, so-called bait e-mails and hacktools. Bait emails are a quite new strategy in malware distribution – you receive the email that mimics some normal notifications about shipments or bank service conditions modifications. Within the email, there is a malicious 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 requires tons of recognition. Malware can hide in different places, and it is better to prevent it even before it invades your system than to rely upon an anti-malware program. Standard cybersecurity awareness is just an essential thing in the modern world, even if your interaction with a PC stays on YouTube videos. That can save you a lot of money and time which you would certainly spend while looking for a fix guide.

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

File Info:

name: C030F577A0E1CDC22E11.mlwpath: /opt/CAPEv2/storage/binaries/4f3677685dc2ab9b76b5d3e9e213d31b2f3e45e9c2a6c25e547b020eb8c92deacrc32: 774E391Fmd5: c030f577a0e1cdc22e11fcf41b1c0443sha1: 17a52df477d311e77bee1754dfe4607c1900d05dsha256: 4f3677685dc2ab9b76b5d3e9e213d31b2f3e45e9c2a6c25e547b020eb8c92deasha512: 25616aa703a314939e3fb8c66173039956c5b98283d3922f5313aeb5da8d76d55a3e6c92c935d795b2734a4fec968679f4337ef33a74607480349d0b214e28ccssdeep: 24576:z29OoiMqc8ivTbTYuWUoVH8ZsFIL0vnSh8koeUFia:a9BwDuWUq4sF40PJ2utype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12D05021067A1C034F5B612F49A7997B8B53F3EA09B6490CF92E512FA5B356E1EC3034Bsha3_384: 0584395bbdf6506f63e1b89d06e65e41e34d49f54f64c2a670a5665134ef02289f353570dccc9811d06917dc99ab71cbep_bytes: 8bff558bece8462c0000e8110000005dtimestamp: 2020-12-22 11:28:10

Version Info:

Translation: 0x0252 0x0011

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

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.Win32.Malicious.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.47208338
FireEye Generic.mg.c030f577a0e1cdc2
McAfee Packed-GDT!C030F577A0E1
Cylance Unsafe
Zillya Trojan.Stop.Win32.2647
Sangfor Trojan.Win32.Save.a
K7AntiVirus Riskware ( 00584baa1 )
Alibaba Malware:Win32/km_24afe.None
K7GW Riskware ( 00584baa1 )
Cybereason malicious.477d31
Baidu Win32.Trojan.Kryptik.jm
Cyren W32/Kryptik.FNY.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HMYX
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Generic-9903804-0
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Trojan.GenericKD.47208338
Avast Win32:BotX-gen [Trj]
Tencent Win32.Trojan.Stop.Sumy
Ad-Aware Trojan.GenericKD.47208338
Sophos ML/PE-A + Troj/Krypt-DI
DrWeb Trojan.Siggen15.28174
TrendMicro Ransom_StopCrypt.R002C0DKN21
McAfee-GW-Edition BehavesLike.Win32.Packed.cc
Emsisoft Trojan.Crypt (A)
Ikarus Trojan.Agent
GData Trojan.GenericKD.47208338
Jiangmin Trojan.Stop.cho
MaxSecure Trojan.Malware.300983.susgen
Avira TR/AD.InstaBot.pjrjp
Antiy-AVL Trojan/Generic.ASMalwS.34BC639
Kingsoft Win32.Troj.Undef.(kcloud)
ViRobot Trojan.Win32.Z.Stop.840256
Microsoft Ransom:Win32/StopCrypt.PK!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Packed/Win.GDV.R446319
Acronis suspicious
ALYac Trojan.Ransom.Stop
MAX malware (ai score=80)
VBA32 TrojanRansom.Stop
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall Ransom_StopCrypt.R002C0DKN21
Rising Trojan.Kryptik!1.D9FE (CLASSIC)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_75%
Fortinet W32/GenKryptik.FMHL!tr
AVG Win32:BotX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_80% (W)

How to remove NAME?

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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