What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.SLS!MTB malware detection usually means that your PC is in big danger. This malware can correctly be identified as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.
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Ransom:Win32/StopCrypt.SLS!MTB detection is a malware detection you can spectate in your computer. It usually shows up after the preliminary activities on your PC – opening the untrustworthy email, clicking the advertisement in the Internet or mounting the program from dubious resources. From the instance it shows up, you have a short time to take action before it begins its harmful action. And be sure – it is better not to wait for these malicious effects.

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

Ransom:Win32/StopCrypt.SLS!MTB is ransomware-type malware. It searches for the documents on your computer, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus also does a ton of damage to your system. It changes the networking setups in order to avoid you from reading the removal manuals or downloading the antivirus. In some cases, Ransom:Win32/StopCrypt.SLS!MTB can even block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SLS!MTB Summary

In total, Ransom:Win32/StopCrypt.SLS!MTB ransomware actions in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Presents an Authenticode digital signature;
  • 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 RedLine malware family;
  • Anomalous binary characteristics;
  • Encrypting the documents kept on the target’s disk drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a nightmare for the last 4 years. It is challenging to imagine a more damaging malware for both individuals and companies. The algorithms utilized in Ransom:Win32/StopCrypt.SLS!MTB (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy currently exists, and possibly will exist. However, that malware does not do all these terrible things without delay – it can require up to a few hours to cipher all of your files. Hence, seeing the Ransom:Win32/StopCrypt.SLS!MTB detection is a clear signal that you should begin the elimination process.

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

Standard tactics of Ransom:Win32/StopCrypt.SLS!MTB injection are typical for all other ransomware examples. Those are one-day landing sites where users are offered to download the free program, so-called bait e-mails and hacktools. Bait emails are a relatively modern strategy in malware spreading – you get the e-mail that imitates some standard notifications about deliveries or bank service conditions modifications. Inside of the e-mail, there is a malicious MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly easy, however, still requires a lot of awareness. Malware can hide in different places, and it is much better to prevent it even before it invades your computer than to depend on an anti-malware program. General cybersecurity awareness is just an essential thing in the modern-day world, even if your interaction with a PC remains on YouTube videos. That may save you a lot of money and time which you would spend while searching for a solution.

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

File Info:

name: 3F1A613B3864B16751BC.mlw
path: /opt/CAPEv2/storage/binaries/3315862908238da5679c1a2bdfddf8f02e7c3cab51b3202add77c51212208ce8
crc32: B2190175
md5: 3f1a613b3864b16751bccafd222e1030
sha1: 22e26746f04710409cd24cf81225f03cdb6bfe3a
sha256: 3315862908238da5679c1a2bdfddf8f02e7c3cab51b3202add77c51212208ce8
sha512: 0f5ce06ce25de94d834045598c5108d2f3ef76c5cad3138ca0c6a37b3c54363182a3f42cdfbb5ca4ccc851f98f7cd2e74e0c1779177bee778c0d0afc3bb972a7
ssdeep: 12288:J9mnKot7ZtJJ6MDxBme+sDRSwq8O2m+mVqp8w8:J4nhtZtWuie+sDRSWPaI8
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CD84C040B6B0D03DF4B712F47DB682A8793A7EA15B2055CB62D63AEE56342D0DDB430B
sha3_384: 87cddace666c44ee7065cab09a59f2ed6ba61512c1e4263245738715a3063b1f4b6432a3e1cab8af8a067eba78d04e2f
ep_bytes: 8bff558bece8a6530000e8110000005d
timestamp: 2021-05-23 13:52:57

Version Info:

Translations: 0x0164 0x0365

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

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 0058e4621 )
K7GWTrojan ( 0058e4621 )
ESET-NOD32a variant of Win32/Kryptik.HQMO
CynetMalicious (score: 100)
EmsisoftGen:Variant.Jaik.92178 (B)
MAXmalware (ai score=85)
AvastPWSX-gen [Trj]
RisingTrojan.Generic@AI.92 (RDML:tNoEAp8I2fPEJ/Ii3zr9GQ)
SentinelOneStatic AI – Malicious PE
AVGPWSX-gen [Trj]
CrowdStrikewin/malicious_confidence_60% (D)

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

Ransom:Win32/StopCrypt.SLS!MTB malware is very hard to eliminate manually. It puts its documents in multiple locations throughout the disk, and can recover itself from one of the elements. In addition, numerous alterations in the windows registry, networking settings and also Group Policies are pretty hard to identify and return to the initial. It is much better to make use of a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for virus elimination reasons.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated just about every hour. Additionally, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for clearing away 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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