What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.SD!MTB malware detection usually means that your computer is in big danger. This malware can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some specific steps that must be done as soon as possible.
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Ransom:Win32/StopCrypt.SD!MTB detection is a virus detection you can spectate in your computer. It usually shows up after the provoking actions on your PC – opening the suspicious e-mail, clicking the banner in the Internet or mounting the program from suspicious sources. From the second it appears, you have a short time to do something about it before it starts its harmful action. And be sure – it is better not to wait for these destructive effects.

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

Ransom:Win32/StopCrypt.SD!MTB is ransomware-type malware. It searches for the documents on your disk drives, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this malware additionally does a lot of damage to your system. It modifies the networking setups in order to avoid you from checking out the removal articles or downloading the anti-malware program. In rare cases, Ransom:Win32/StopCrypt.SD!MTB can also block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SD!MTB Summary

In summary, Ransom:Win32/StopCrypt.SD!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: Korean;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • CAPE detected the DanaBot malware family;
  • Ciphering the files kept on the target’s disk drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a nightmare for the last 4 years. It is difficult to realize a more damaging malware for both individuals and organizations. The algorithms used in Ransom:Win32/StopCrypt.SD!MTB (typically, 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 currently exists, and possibly will exist. However, that virus does not do all these horrible things instantly – it may take up to a few hours to cipher all of your files. Therefore, seeing the Ransom:Win32/StopCrypt.SD!MTB detection is a clear signal that you have to start the elimination process.

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

Usual methods of Ransom:Win32/StopCrypt.SD!MTB distribution are typical for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a pretty modern method in malware spreading – you get the e-mail that mimics some standard notifications about shippings or bank service conditions changes. Inside of the email, there is a malicious 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 tons of awareness. Malware can hide in various places, and it is far better to stop it even before it invades your computer than to trust in an anti-malware program. Standard cybersecurity awareness is just an essential thing in the modern world, even if your relationship with a computer stays on YouTube videos. That can keep you a great deal of time and money which you would certainly spend while seeking a solution.

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

File Info:

name: 30E3CA0246BE5A1FD57B.mlw
path: /opt/CAPEv2/storage/binaries/09ca5de12b8bc7fd323eaffee324023f4d8b7b858749fe329d5e828da205b768
crc32: 3E10C416
md5: 30e3ca0246be5a1fd57b9652dbc05918
sha1: aa090e17a3b7dc1a580016cffec203c788d3e075
sha256: 09ca5de12b8bc7fd323eaffee324023f4d8b7b858749fe329d5e828da205b768
sha512: 19eb1ee713448e0e0150b741da747df84c47a1b33436570987c800ba5eca41f2546e1f73d4eb2e3248129aeb15f5aa2a17928fed5b72e13fba3610d99a32b6b7
ssdeep: 49152:CM72BzIzaO8oRpUn0bkFbHcUvoUQ+2JjEJBwoo2c81BGmnijb:CM72ICoRpw0QbHcUvoUWZEJBEF83
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14BC523087D20D079F5B312F2896F927CEA7E76A12B6094CF31E05AEA35255E1EC31397
sha3_384: 5db0a1f347f1d70cc20a5db7921a8e9041c51543998e7d4be3d65fb446e938615e94b42078085f9b6b5c8af7e401a5e9
ep_bytes: 8bff558bece8965b0000e8110000005d
timestamp: 2022-02-09 22:27:53

Version Info:

Translations: 0x0136 0x00aa

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

Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Kryptik.HQSE
AvastWin32:DropperX-gen [Drp]
EmsisoftGen:Variant.Babar.96464 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=84)
CynetMalicious (score: 100)
RisingTrojan.Generic@AI.100 (RDML:HZ4Ay/aSm3NipaB1PZQ6GA)
AVGWin32:DropperX-gen [Drp]
CrowdStrikewin/malicious_confidence_70% (D)

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

Ransom:Win32/StopCrypt.SD!MTB malware is incredibly hard to delete by hand. It stores its documents in a variety of places throughout the disk, and can get back itself from one of the elements. Furthermore, a number of modifications in the registry, networking configurations and also Group Policies are quite hard to locate and revert to the original. It is better to make use of a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated almost every hour. Moreover, 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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