Ransom:Win32/StopCrypt.SLD!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.SLD!MTB malware detection usually means that your system 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. Removing it requires some specific steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.SLD!MTB detection is a malware detection you can spectate in your computer. It frequently appears after the preliminary procedures on your computer – opening the dubious email, clicking the banner in the Internet or setting up the program from dubious resources. From the instance it appears, you have a short time to take action until it starts its destructive action. And be sure – it is far better not to await these harmful effects.

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

Ransom:Win32/StopCrypt.SLD!MTB is ransomware-type malware. It looks for the files on your disk drive, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a lot of harm to your system. It modifies the networking setups in order to avoid you from checking out the elimination guidelines or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt.SLD!MTB can also stop the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SLD!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.SLD!MTB malware activities in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Kannada;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Encrypting the files kept on the victim’s drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a horror story for the last 4 years. It is hard to imagine a more damaging virus for both individuals and corporations. The algorithms utilized in Ransom:Win32/StopCrypt.SLD!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 malware does not do all these horrible things instantly – it can take up to a few hours to cipher all of your files. Thus, seeing the Ransom:Win32/StopCrypt.SLD!MTB detection is a clear signal that you should start the elimination procedure.

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

Routine ways of Ransom:Win32/StopCrypt.SLD!MTB distribution are common for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait emails and hacktools. Bait e-mails are a pretty modern strategy in malware spreading – you get the e-mail that mimics some normal notifications about shipments or bank service conditions modifications. Inside of the e-mail, there is a corrupted MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks fairly uncomplicated, but still requires a lot of recognition. Malware can hide in different places, and it is much better to prevent it even before it gets into your PC than to depend on an anti-malware program. Standard cybersecurity awareness is just an essential thing in the modern-day world, even if your interaction with a computer stays on YouTube videos. That can keep you a lot of time and money which you would certainly spend while searching for a solution.

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

File Info:

name: 434FD7EAB4E51B1F33B5.mlw
path: /opt/CAPEv2/storage/binaries/4af380902f4ac48c1e931921983ce253febd6cef41fa034daebe7a4ab128c546
crc32: 90EB37F1
md5: 434fd7eab4e51b1f33b557997f111ec6
sha1: f29ba41a2169572337fa941c2101b79e3161e0e0
sha256: 4af380902f4ac48c1e931921983ce253febd6cef41fa034daebe7a4ab128c546
sha512: 699a670700b2c32ef2dcb87c57fed1fabe73de8d49bf71a8447aa04b9d1c2c9ae1e02197845de097d6e9876cb46a4f2ee658f4a1d64d5852b806e71d29140ec0
ssdeep: 6144:986eO7NdsPYIVKrEa71s2uSJAigaLwVf:98pMNdIYGKEobuIt
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A724D011B6E28871E46D2D704C609BE1577FBC215A7090BBE7A4672E2EB33D04EB534E
sha3_384: 4e72b09ed345ed8e77d41db6d1c68bc85e4283cc38256dcc4fbd27a1a121ba4f866c2bb6abe7ebe9a6eebe80186fbad5
ep_bytes: e8cb400000e989feffff6a0aff15a810
timestamp: 2022-02-26 16:59:24

Version Info:

FileVersions: 98.55.22.41
Copyright: Copyright (C) 2022, soboklos
ProjectVersion: 74.85.66.75

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

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
FireEye Generic.mg.434fd7eab4e51b1f
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Cyren W32/Kryptik.HGS.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Kaspersky VHO:Trojan.Win32.Convagent.gen
Avast FileRepMalware [Misc]
McAfee-GW-Edition BehavesLike.Win32.Swizzor.dc
Trapmine malicious.moderate.ml.score
Sophos ML/PE-A
SentinelOne Static AI – Malicious PE
Google Detected
Microsoft Ransom:Win32/StopCrypt.SLD!MTB
Cynet Malicious (score: 100)
McAfee Artemis!434FD7EAB4E5
Malwarebytes Malware.AI.15583812
Rising [email protected] (RDML:z5YN+znDolCimAuRhFcAlA)
MaxSecure Trojan.Malware.300983.susgen
AVG FileRepMalware [Misc]
Cybereason malicious.a21695

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

Ransom:Win32/StopCrypt.SLD!MTB malware is incredibly difficult to eliminate by hand. It puts its data in numerous places throughout the disk, and can get back itself from one of the parts. Furthermore, a lot of alterations in the windows registry, networking setups and Group Policies are pretty hard to find and change to the original. It is much better to use a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for malware removal goals.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated just about every hour. Furthermore, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for getting rid of 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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