What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.SY!MTB detection name usually means that your PC is in big danger. This computer virus can correctly be identified as ransomware – virus which encrypts your files and asks you to pay for their decryption. Stopping it requires some specific steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.SY!MTB detection is a malware detection you can spectate in your computer. It generally shows up after the preliminary actions on your PC – opening the dubious email, clicking the banner in the Internet or installing the program from suspicious sources. From the moment it shows up, you have a short time to act until it starts its harmful activity. And be sure – it is better not to await these harmful actions.

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

Ransom:Win32/StopCrypt.SY!MTB is ransomware-type malware. It looks for the files on your disk, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this malware additionally does a ton of harm to your system. It modifies the networking setups in order to stop you from looking for the removal tutorials or downloading the anti-malware program. Sometimes, Ransom:Win32/StopCrypt.SY!MTB can also block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SY!MTB Summary

In total, Ransom:Win32/StopCrypt.SY!MTB ransomware actions 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: Tswana;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Ciphering the documents located on the victim’s disks — 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-malware programs

Ransomware has actually been a horror story for the last 4 years. It is difficult to realize a more harmful virus for both individuals and organizations. The algorithms used in Ransom:Win32/StopCrypt.SY!MTB (generally, 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 terrible things instantly – it can require up to several hours to cipher all of your files. Therefore, seeing the Ransom:Win32/StopCrypt.SY!MTB detection is a clear signal that you must begin the clearing process.

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

Usual ways of Ransom:Win32/StopCrypt.SY!MTB spreading are typical for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free app, so-called bait e-mails and hacktools. Bait emails are a quite new strategy in malware spreading – you receive the e-mail that imitates some routine notifications about deliveries or bank service conditions updates. Inside of the email, there is a malicious 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 quite easy, however, still needs tons of focus. Malware can hide in different places, and it is much better to prevent it even before it invades your system than to depend on an anti-malware program. Standard cybersecurity knowledge is just an essential item in the modern world, even if your interaction with a computer stays on YouTube videos. That can save you a lot of time and money which you would certainly spend while seeking a fixing guide.

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

File Info:

name: B61CD68ED130AB405202.mlw
path: /opt/CAPEv2/storage/binaries/c80baa0b7a14e76d06a6a0a9622dbfc165097e22e21117e2e4a803472033fa0d
crc32: 0125BA13
md5: b61cd68ed130ab4052023da89782f56c
sha1: 96edcb8e17f4831dcc253d5dd1f4c1d857452607
sha256: c80baa0b7a14e76d06a6a0a9622dbfc165097e22e21117e2e4a803472033fa0d
sha512: 14d7850b16fb6b154c8d1ebe8085e4ee8d883bacd0bda96fe5cac2c9ff2d571cb60e4bb503472a5ae8125fbef7d5053fb4b227a13bb7b4a43159bb040965bea2
ssdeep: 3072:AXii+vTUl8TJC/O87bCeRU5FvDlS6XYA6z4vBxLmGdRTun9cl5d0/pNxhsntp:05+voW8X+5Fv+yxrRKniWJhU
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10A44E0217692C072C49614748865EBA0AF7AB4702979885BF7A42B7E4F333C05BF735B
sha3_384: cd946a8081119a5ef2d0ed9673318b068022e258f0115eb9b50dce27a084a3aee7a40d5b28d7bfed3fcec6bbc9cbd875
ep_bytes: e8bc4f0000e978feffff8bff51c701a4
timestamp: 2022-01-30 06:43:19

Version Info:

InternationalName: povgwaoci.iwe
Copyright: Copyright (C) 2022, somoklos

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

K7AntiVirusTrojan ( 0059a01d1 )
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Kryptik.HRIC
AvastWin32:PWSX-gen [Trj]
SophosML/PE-A + Troj/Krypt-RQ
EmsisoftTrojan.GenericKDZ.93063 (B)
SentinelOneStatic AI – Suspicious PE
CynetMalicious (score: 100)
RisingTrojan.Generic@AI.90 (RDML:9nfTxf1by8/Pu2iWCCdvrA)
AVGWin32:PWSX-gen [Trj]

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

Ransom:Win32/StopCrypt.SY!MTB malware is incredibly hard to erase manually. It puts its files in a variety of locations throughout the disk, and can recover itself from one of the elements. Furthermore, numerous alterations in the registry, networking configurations and also Group Policies are fairly hard to find and change to the original. It is far better to make use of a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for malware elimination reasons.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated nearly every hour. Moreover, it does not have such bugs and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware suitable for taking out 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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