Ransom:Win32/StopCrypt.SLO!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.SLO!MTB detection usually means that your computer is in big danger. This computer virus can correctly be identified as ransomware – virus which ciphers your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.SLO!MTB detection is a malware detection you can spectate in your computer. It usually shows up after the provoking procedures on your computer – opening the untrustworthy e-mail, clicking the banner in the Internet or installing the program from untrustworthy resources. From the moment it shows up, you have a short time to act until it begins its destructive activity. And be sure – it is better not to await these malicious things.

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

Ransom:Win32/StopCrypt.SLO!MTB is ransomware-type malware. It looks for the documents on your disk, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this virus also does a ton of harm to your system. It changes the networking settings in order to prevent you from reading the removal guidelines or downloading the anti-malware program. Sometimes, Ransom:Win32/StopCrypt.SLO!MTB can even prevent the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SLO!MTB Summary

In total, Ransom:Win32/StopCrypt.SLO!MTB virus activities in the infected PC 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;
  • Uses Windows utilities for basic functionality;
  • Deletes executed files from disk;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the documents kept on the victim’s disk — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a nightmare for the last 4 years. It is difficult to imagine a more hazardous malware for both individual users and organizations. The algorithms used in Ransom:Win32/StopCrypt.SLO!MTB (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy already exists, and possibly will exist. However, that malware does not do all these unpleasant things immediately – it may require up to several hours to cipher all of your documents. Hence, seeing the Ransom:Win32/StopCrypt.SLO!MTB detection is a clear signal that you need to start the clearing procedure.

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

Usual methods of Ransom:Win32/StopCrypt.SLO!MTB distribution are usual 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 emails are a pretty modern tactic in malware spreading – you receive the e-mail that imitates some routine notifications about shipments or bank service conditions modifications. Within the e-mail, there is a corrupted MS Office file, or a web 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 easy, however, still needs tons of attention. Malware can hide in various places, and it is far better to stop it even before it invades your computer than to depend on an anti-malware program. Standard cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a computer remains on YouTube videos. That may save you a lot of time and money which you would spend while looking for a solution.

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

File Info:

name: 14A34E59D3BE5682784D.mlw
path: /opt/CAPEv2/storage/binaries/a60af39f6197f95f9c3a60acb4ecd5e176ec1356f78da118392104e9ea7bd791
crc32: CFB6298A
md5: 14a34e59d3be5682784d7e86c4c39d68
sha1: 5fb489bc275fc0e9ba4f1ed256925132b4a0cd92
sha256: a60af39f6197f95f9c3a60acb4ecd5e176ec1356f78da118392104e9ea7bd791
sha512: 6c5f97522c7ecba2d65b439ac83b6adcd2dee3bf64cab42cc312173847aa8bdeac677840c95f64999f58426737974e57609acf2e44cbf46251c99b6bd0d2975e
ssdeep: 6144:9kkzwF2iJi2skk6D3KQHmBwA/4c05Ha43fG4dMTcIDLjp+n3ErwVfxz:9jzwAmi2dn3PHmBwAp6HNG4dMRrp+0o
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A574D06176A0C830E4A536308832DFA01ABEFD5669745A4B77B4375A7E733C02AB135F
sha3_384: 0af28a31a1a95ef7f1e783616d2c35c820b2b24c0533a5bf99ae8b0f4580393a70c2f7f438ba133e7cb8f4ae4dead02b
ep_bytes: e8535a0000e989feffffcccccccccccc
timestamp: 2021-07-16 20:15:06

Version Info:

FileVersions: 48.90.13.84
Copyrighz: Copyright (C) 2022, pozkarte
ProjectVersion: 94.4.7.88

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

Bkav W32.AIDetect.malware1
tehtris Generic.Malware
ClamAV Win.Dropper.Tofsee-9957066-0
FireEye Generic.mg.14a34e59d3be5682
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00516fdf1 )
K7GW Trojan ( 00516fdf1 )
Cyren W32/Kryptik.GVX.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky UDS:DangerousObject.Multi.Generic
Avast BotX-gen [Trj]
Sophos ML/PE-A + Mal/Agent-AWV
Trapmine malicious.moderate.ml.score
Ikarus Trojan.Crypter
Microsoft Ransom:Win32/StopCrypt.SLO!MTB
Google Detected
Malwarebytes Trojan.MalPack.GS
Rising [email protected] (RDML:jjkX591ufwp8U01WGxkTtg)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
AVG BotX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)

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

Ransom:Win32/StopCrypt.SLO!MTB malware is extremely difficult to remove by hand. It puts its data in multiple locations throughout the disk, and can get back itself from one of the parts. In addition, countless changes in the registry, networking configurations and Group Policies are fairly hard to identify and return to the original. It is far better to utilize a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus elimination objectives.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated practically every hour. Additionally, it does not have such problems and weakness as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for taking out malware of any type.

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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