Ransom:Win32/StopCrypt.PAY!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.PAY!MTB malware detection usually means that your PC is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some specific steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.PAY!MTB detection is a virus detection you can spectate in your system. It generally appears after the provoking procedures on your computer – opening the dubious e-mail, clicking the banner in the Internet or mounting the program from unreliable resources. From the instance it appears, you have a short time to take action before it starts its malicious activity. And be sure – it is far better not to await these harmful effects.

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

Ransom:Win32/StopCrypt.PAY!MTB is ransomware-type malware. It looks for the files on your computer, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus also does a ton of damage to your system. It alters the networking setups in order to prevent you from looking for the removal manuals or downloading the antivirus. In some cases, Ransom:Win32/StopCrypt.PAY!MTB can even block the setup of anti-malware programs.

Ransom:Win32/StopCrypt.PAY!MTB Summary

In summary, Ransom:Win32/StopCrypt.PAY!MTB ransomware actions in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Enumerates services, possibly for anti-virtualization;
  • Installs itself for autorun at Windows startup;
  • Installs itself for autorun at Windows startup;
  • CAPE detected the Tofsee malware family;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the target’s drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a major problem for the last 4 years. It is hard to picture a more damaging virus for both individuals and companies. The algorithms utilized in Ransom:Win32/StopCrypt.PAY!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 already exists, and possibly will exist. However, that virus does not do all these terrible things instantly – it can require up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.PAY!MTB detection is a clear signal that you should start the elimination process.

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

Typical ways of Ransom:Win32/StopCrypt.PAY!MTB spreading are usual for all other ransomware variants. Those are one-day landing websites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a quite modern strategy in malware distribution – you receive the email that imitates some standard notifications about shipments or bank service conditions updates. Within the e-mail, there is a malicious 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 easy, but still demands a lot of attention. Malware can hide in different spots, and it is far better to stop it even before it gets into your PC than to rely on an anti-malware program. General cybersecurity awareness is just an important thing in the modern-day world, even if your relationship with a computer stays on YouTube videos. That may keep you a lot of money and time which you would spend while looking for a solution.

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

File Info:

name: 5F55F19C3B8B10A19A00.mlw
path: /opt/CAPEv2/storage/binaries/c75311ec4549dd2f54d08eb9c0652328e6170db0e89337b462ccca141fdccbaa
crc32: F7D2650D
md5: 5f55f19c3b8b10a19a005b41bc0a80be
sha1: afa0bb3f823141d275417fb99e6045dac043e7c4
sha256: c75311ec4549dd2f54d08eb9c0652328e6170db0e89337b462ccca141fdccbaa
sha512: ca36a50a5ab0604669457d30ffb9ce483e72f5fa109a7393caf40d6dcffba0c1e5cbb20572c0698a289871c900d70293647d5b59dcd9b2bd7b63405a18f73fb5
ssdeep: 98304:sjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj:
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17AD66BDA6BE1D945E5E64E30B83997E8523BFC829830A21EE254FF0F3CB17911592353
sha3_384: 3f4beb5c9f6d25c585fe11e89646d6c63a405d41e59bfc6480334f9b92827a128c7a1875848f4d76d832406943df0a28
ep_bytes: e8712f0000e978feffff8bff558bec8b
timestamp: 2021-06-26 19:25:13

Version Info:

FileVersion: 21.79.125.49
InternationalName: povgwaoci.iwe
Copyrighz: Copyrighz (C) 2021, fuzkorta
Translations: 0x0127 0x010f

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

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.84207
FireEye Generic.mg.5f55f19c3b8b10a1
CAT-QuickHeal Ransom.Stop.P5
ALYac Trojan.GenericKDZ.84207
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0058eae71 )
K7GW Trojan ( 0058eae71 )
BitDefenderTheta Gen:NN.ZexaF.34606.@t0@aScS4gce
Cyren W32/Kryptik.EYC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HOMC
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Bingoml.gen
BitDefender Trojan.GenericKDZ.84207
NANO-Antivirus Trojan.Win32.Kryptik.jmxxha
Avast Win32:AceCrypter-F [Cryp]
Tencent Trojan.Win32.Bingoml.16000307
Ad-Aware Trojan.GenericKDZ.84207
Emsisoft Trojan.Crypt (A)
DrWeb Trojan.MulDrop19.53567
Zillya Trojan.Kryptik.Win32.3704517
TrendMicro Mal_Tofsee
McAfee-GW-Edition BehavesLike.Win32.Lockbit.rh
Sophos Mal/Generic-R + Mal/Agent-AWV
Ikarus Trojan.Win32.Crypt
GData Trojan.GenericKDZ.84207
Jiangmin TrojanDropper.Agent.gqbv
MAX malware (ai score=87)
Antiy-AVL Trojan/Generic.ASMalwS.3533F82
Microsoft Ransom:Win32/StopCrypt.PAY!MTB
AhnLab-V3 Infostealer/Win.SmokeLoader.R473956
Acronis suspicious
McAfee GenericRXRX-VG!5F55F19C3B8B
VBA32 BScope.Trojan.DiskWriter
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall Mal_Tofsee
Rising Malware.Obscure!1.A3BB (RDMK:cmRtazoNaK6nTvYlynlseWJuQy5n)
SentinelOne Static AI – Malicious PE
Fortinet W32/Azorult.7BBD!tr
AVG Win32:AceCrypter-F [Cryp]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)

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

Ransom:Win32/StopCrypt.PAY!MTB malware is incredibly hard to delete manually. It places its data in a variety of locations throughout the disk, and can restore itself from one of the elements. Moreover, a number of modifications in the windows registry, networking settings and Group Policies are fairly hard to locate and change to the initial. It is much better to use a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus removal reasons.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated almost every hour. Additionally, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for removing malware of any kind.

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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