What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.SU!MTB detection name means that your system is in big danger. This malware can correctly be named as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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Ransom:Win32/StopCrypt.SU!MTB detection is a malware detection you can spectate in your computer. It generally appears after the preliminary activities on your computer – opening the dubious e-mail, clicking the banner in the Internet or setting up the program from untrustworthy resources. From the instance it appears, you have a short time to do something about it before it begins its harmful activity. And be sure – it is better not to await these malicious things.

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

Ransom:Win32/StopCrypt.SU!MTB is ransomware-type malware. It looks for the files on your disk drives, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus also does a ton of harm to your system. It modifies the networking setups in order to avoid you from reading the removal manuals or downloading the anti-malware program. In rare cases, Ransom:Win32/StopCrypt.SU!MTB can also block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SU!MTB Summary

In summary, Ransom:Win32/StopCrypt.SU!MTB ransomware 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: Rhaeto (Romance);
  • 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;
  • Ciphering 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 anti-virus programs

Ransomware has actually been a horror story for the last 4 years. It is challenging to imagine a more damaging virus for both individual users and corporations. The algorithms utilized in Ransom:Win32/StopCrypt.SU!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 virus does not do all these bad things immediately – it may take up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.SU!MTB detection is a clear signal that you need to start the removal procedure.

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

Common ways of Ransom:Win32/StopCrypt.SU!MTB spreading are usual for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a pretty new strategy in malware spreading – you receive the e-mail that simulates some normal notifications about shipments or bank service conditions changes. Inside of the e-mail, there is an infected 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.

Preventing it looks fairly easy, however, still needs a lot of attention. Malware can hide in various places, and it is better to stop it even before it goes into your computer than to trust in an anti-malware program. Common cybersecurity awareness is just an important item in the modern-day world, even if your relationship with a computer stays on YouTube videos. That can keep you a lot of time and money which you would spend while searching for a solution.

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

File Info:

name: 5084F792AF7414D54142.mlw
path: /opt/CAPEv2/storage/binaries/302e71a71d7d1b2ef74a8ed6716d40c911cae6cb100de4bb63c6c530df3c53d8
crc32: 2E2F6E96
md5: 5084f792af7414d541425cabd5d03235
sha1: d0c21fde6d461450299c5a0eb881ee8c658af4c2
sha256: 302e71a71d7d1b2ef74a8ed6716d40c911cae6cb100de4bb63c6c530df3c53d8
sha512: e691a9c35a34de527cdabed76d112b66ce9cbbcf1135bc2b1606cda9fab18abcaf4021aba19531ada92acc4ae2fe2ebc6ff2c2b83c918aa9df9dd0d7034e544d
ssdeep: 6144:6Sc7IudNkLLGNZfZcyzIh1Nuoh2nHFCD:6V7IUNYwfZTINvIFC
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17224CF2236C0C072D65617748D16D7B5ABBBB8710B3696CBBBC40A6C4F253D2AF39346
sha3_384: 33422ec48bd85cd6136f068a725eb55a4ab56d5142f52126e403bc681abe09e5f68e5e22b21af0e918998f4a42036d97
ep_bytes: e8cf7c0000e979feffff8bff558bec8b
timestamp: 2021-04-25 19:04:12

Version Info:

Translations: 0x0118 0x007e

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

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 005999fb1 )
K7GWTrojan ( 005999fb1 )
ESET-NOD32a variant of Win32/Kryptik.HRFB
AvastWin32:DropperX-gen [Drp]
EmsisoftGen:Variant.Mikey.141766 (B)
SophosML/PE-A + Troj/Krypt-QV
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=88)
CynetMalicious (score: 100)
RisingTrojan.Kryptik!1.E086 (CLASSIC)
AVGWin32:DropperX-gen [Drp]

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

Ransom:Win32/StopCrypt.SU!MTB malware is very hard to eliminate manually. It stores its documents in numerous locations throughout the disk, and can recover itself from one of the parts. Furthermore, a number of alterations in the windows registry, networking setups and Group Policies are really hard to identify and revert to the initial. It is better to utilize a specific app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware elimination reasons.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated practically every hour. In addition, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal 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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