Ransom:Win32/StopCrypt.SLY!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.SLY!MTB detection name means that your computer is in big danger. This virus can correctly be identified as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.SLY!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 e-mail, clicking the advertisement in the Internet or installing the program from suspicious resources. From the moment it shows up, you have a short time to do something about it until it starts its destructive activity. And be sure – it is better not to await these destructive actions.

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

Ransom:Win32/StopCrypt.SLY!MTB is ransomware-type malware. It looks for the documents on your disk drives, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this malware also does a lot of damage to your system. It modifies the networking setups in order to avoid you from looking for the elimination guidelines or downloading the anti-malware program. Sometimes, Ransom:Win32/StopCrypt.SLY!MTB can also block the setup of anti-malware programs.

Ransom:Win32/StopCrypt.SLY!MTB Summary

In total, Ransom:Win32/StopCrypt.SLY!MTB malware actions 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: Korean;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • CAPE detected the Loki malware family;
  • Detects Bochs through the presence of a registry key;
  • Creates a copy of itself;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Collects information to fingerprint the system;
  • Encrypting the documents kept on the victim’s disk — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a horror story for the last 4 years. It is challenging to imagine a more harmful virus for both individuals and companies. The algorithms utilized in Ransom:Win32/StopCrypt.SLY!MTB (usually, 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. However, that malware does not do all these horrible things without delay – it can take up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.SLY!MTB detection is a clear signal that you have to start the elimination process.

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

Ordinary tactics of Ransom:Win32/StopCrypt.SLY!MTB distribution are common for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait emails are a quite new method in malware distribution – you get the email that mimics some routine notifications about shipments or bank service conditions changes. Within the email, there is an infected MS Office file, or a web link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks quite easy, however, still demands tons of recognition. Malware can hide in various places, and it is much better to stop it even before it gets into your PC than to depend on an anti-malware program. Simple cybersecurity knowledge is just an essential item in the modern-day world, even if your relationship with a PC stays on YouTube videos. That may save you a great deal of time and money which you would certainly spend while searching for a solution.

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

File Info:

name: 73E4FDB8FFA978E0A952.mlw
path: /opt/CAPEv2/storage/binaries/f14b3f97cf2f06713acf6a3ae4ebb7e5f94e92a25fe9d85f6b4ee5ddf383e052
crc32: 660E2C59
md5: 73e4fdb8ffa978e0a952568c9086f39e
sha1: 2f12900acd8b0c23b535dceba138df70e9c7572a
sha256: f14b3f97cf2f06713acf6a3ae4ebb7e5f94e92a25fe9d85f6b4ee5ddf383e052
sha512: 3dd7342f3c8c1d02bd36430f926ffa9a33fd14fa8d3ea62a5b341f618d76558d8ec8dcae69e0c322478bd58dc7fd931b0f28073c7c2cc738b93404605294847e
ssdeep: 6144:2yrTeVFo8v+U6VfJY5uX7JGhIL/zcGEsFc4Ok4GEGQBC:1TGL+U6xJSs7JwIL/zrc3NGxY
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16B649D10BB91C035F1B611F846B69378B93E7EA1AB6450CF52D42AEE5B346E0EC3174B
sha3_384: 9c2195c90b1f6f7d87ebe9dc6ebdf9e173d51aa66758141ca8a4df67d855633b24a45daadda8e629b615be62f04f4953
ep_bytes: 8bff558bece8f6b70000e8110000005d
timestamp: 2021-06-09 03:03:46

Version Info:

Translations: 0x0139 0x00aa

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

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Siggen18.41962
MicroWorld-eScan Gen:Heur.Mint.Zard.52
FireEye Generic.mg.73e4fdb8ffa978e0
McAfee Packed-GDT!73E4FDB8FFA9
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Cybereason malicious.acd8b0
Cyren W32/Kryptik.HLA.gen!Eldorado
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Kryptik.HQQH
APEX Malicious
ClamAV Win.Malware.Pwsx-9964521-0
Kaspersky VHO:Trojan-Ransom.Win32.Convagent.gen
BitDefender Trojan.GenericKDZ.91521
Avast Win32:DropperX-gen [Drp]
Ad-Aware Gen:Heur.Mint.Zard.52
Emsisoft Gen:Heur.Mint.Zard.52 (B)
TrendMicro Ransom.Win32.STOP.SMYXBFX.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
Trapmine malicious.high.ml.score
Sophos ML/PE-A
Ikarus Trojan.Win32.Raccrypt
GData Gen:Heur.Mint.Zard.52
Google Detected
MAX malware (ai score=80)
Antiy-AVL Trojan/Generic.ASCommon.2BA
ZoneAlarm VHO:Trojan-Ransom.Win32.Convagent.gen
Microsoft Ransom:Win32/StopCrypt.SLY!MTB
Cynet Malicious (score: 100)
ALYac Gen:Heur.Mint.Zard.52
VBA32 BScope.Backdoor.Mokes
Malwarebytes Trojan.MalPack.GS
Rising Trojan.Kryptik!8.8 (TFE:5:U8buHHPhMdR)
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.HQQH!tr
AVG Win32:DropperX-gen [Drp]
CrowdStrike win/malicious_confidence_100% (D)

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

Ransom:Win32/StopCrypt.SLY!MTB malware is very hard to erase manually. It puts its documents in multiple places throughout the disk, and can restore itself from one of the elements. Additionally, numerous changes in the windows registry, networking settings and Group Policies are quite hard to discover and return to the initial. It is much better to utilize a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for malware elimination objectives.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated almost every hour. Furthermore, it does not have such bugs and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable 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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