Ransom:Win32/StopCrypt.PAF!MTB

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

Ransom:Win32/StopCrypt.PAF!MTB detection is a malware detection you can spectate in your computer. It generally shows up after the preliminary activities on your computer – opening the dubious e-mail, clicking the banner in the Internet or installing the program from dubious resources. From the instance it appears, you have a short time to take action before it begins its malicious action. And be sure – it is better not to wait for these malicious things.

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

Ransom:Win32/StopCrypt.PAF!MTB is ransomware-type malware. It searches for the documents on your disk drive, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus additionally does a ton of harm to your system. It changes the networking settings in order to stop you from looking for the elimination guides or downloading the anti-malware program. Sometimes, Ransom:Win32/StopCrypt.PAF!MTB can also block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.PAF!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.PAF!MTB ransomware 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;
  • The binary contains an unknown PE section name indicative of packing;
  • 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;
  • Ciphering the files located on the target’s drive — so the victim cannot open these documents;
  • 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 difficult to picture a more damaging virus for both individual users and corporations. The algorithms used in Ransom:Win32/StopCrypt.PAF!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 malware does not do all these unpleasant things without delay – it may take up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.PAF!MTB detection is a clear signal that you must start the removal procedure.

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

Ordinary ways of Ransom:Win32/StopCrypt.PAF!MTB distribution are basic for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a relatively modern strategy in malware distribution – you receive the e-mail that imitates some standard notifications about deliveries or bank service conditions updates. 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 quite simple, however, still needs tons of attention. Malware can hide in different spots, and it is much better to stop it even before it goes into your system than to depend on an anti-malware program. Standard cybersecurity knowledge is just an important item in the modern-day world, even if your interaction with a PC stays on YouTube videos. That may keep you a lot of money and time which you would certainly spend while trying to find a fix guide.

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

File Info:

name: B550316670C31D8F504B.mlwpath: /opt/CAPEv2/storage/binaries/77129196060be9eb3bca0c32bf15ca853c2d9d0e77eb05fd2383ee57b81115decrc32: F4D1CBCDmd5: b550316670c31d8f504bbc8895464e32sha1: bb101dd32c17ffcc5e941d28cd0aac2a561fe50esha256: 77129196060be9eb3bca0c32bf15ca853c2d9d0e77eb05fd2383ee57b81115desha512: 7840d683a2c08e2ec631985cdcfcac18ce7a37ea95da92a3b1584cb7ef882189afc236b0e27b9e2f86e8c76b6408e416d0752bcaec2bf582fae60342aaecd68essdeep: 3072:qxmaeoP/qEskN7X+U5GDVPsHxk6ZCzxQbv6hs:qvbquNaa+Pzxovltype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16144AE227AE0C43EC6F7593574B0CAA46E3BB9125A71814F376917EE6F332918E25307sha3_384: d49a0aaa385f6c72809899a769d71ccb563cec819b40b20388002074d6d173eab02a416cbab5812e2d743483b6c30c18ep_bytes: e849320000e978feffffcccccccccccctimestamp: 2021-06-09 12:02:52

Version Info:

InternationalName: bomgvioci.iwaCopyright: Copyrighz (C) 2021, fudkortProjectVersion: 3.14.70.27Translation: 0x0129 0x0794

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

Bkav W32.AIDetect.malware1
Lionic Trojan.Multi.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Siggen16.26460
MicroWorld-eScan Trojan.GenericKD.47834081
FireEye Generic.mg.b550316670c31d8f
ALYac Trojan.GenericKD.47834081
Malwarebytes Trojan.MalPack.GS
Sangfor Trojan.Win32.Save.a
Alibaba Ransom:Win32/StopCrypt.2a6d579d
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZexaF.34114.quW@a0KWeJaK
Cyren W32/Kryptik.FWV.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.HNXF
TrendMicro-HouseCall TROJ_GEN.R002H06A522
Paloalto generic.ml
ClamAV Win.Dropper.Tofsee-9919472-0
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Trojan.GenericKD.47834081
Avast Win32:CrypterX-gen [Trj]
Ad-Aware Trojan.GenericKD.47834081
Emsisoft Trojan.GenericKD.47834081 (B)
McAfee-GW-Edition BehavesLike.Win32.Generic.dt
Sophos Mal/Generic-R + Mal/Agent-AWV
Ikarus Trojan.Win32.Crypt
GData Trojan.GenericKD.47834081
Avira TR/Crypt.Agent.ircus
Arcabit Trojan.Generic.D2D9E3E1
Microsoft Ransom:Win32/StopCrypt.PAF!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.MalPE.R462691
Acronis suspicious
McAfee Packed-GEE!B550316670C3
MAX malware (ai score=85)
Cylance Unsafe
APEX Malicious
Rising Ransom.Stop!8.10810 (CLOUD)
SentinelOne Static AI – Malicious PE
Fortinet W32/GenKryptik.ERHN!tr
AVG Win32:CrypterX-gen [Trj]
Cybereason malicious.32c17f
Panda Trj/GdSda.A

How to remove Ransom:Win32/StopCrypt.PAF!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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