What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.SLZ!MTB detection name usually means that your PC is in big danger. This virus can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.SLZ!MTB detection is a virus detection you can spectate in your computer. It generally appears after the preliminary activities on your computer – opening the dubious e-mail messages, clicking the banner in the Web or installing the program from dubious sources. From the second it appears, you have a short time to take action before it starts its harmful activity. And be sure – it is much better not to wait for these harmful things.

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

Ransom:Win32/StopCrypt.SLZ!MTB is ransomware-type malware. It looks for the files on your disk, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus additionally does a ton of damage to your system. It alters the networking settings in order to prevent you from checking out the elimination articles or downloading the antivirus. In rare cases, Ransom:Win32/StopCrypt.SLZ!MTB can even stop the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SLZ!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.SLZ!MTB virus 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: Georgian;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings;
  • Encrypting the files kept on the target’s drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a major problem for the last 4 years. It is difficult to imagine a more harmful virus for both individual users and businesses. The algorithms used in Ransom:Win32/StopCrypt.SLZ!MTB (generally, 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. But that malware does not do all these bad things without delay – it may take up to several hours to cipher all of your documents. Hence, seeing the Ransom:Win32/StopCrypt.SLZ!MTB detection is a clear signal that you should begin the elimination procedure.

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

General tactics of Ransom:Win32/StopCrypt.SLZ!MTB injection are typical for all other ransomware variants. Those are one-day landing websites where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a quite new tactic in malware spreading – you receive the e-mail that mimics some normal notifications about shipments or bank service conditions changes. Within the email, there is a malicious MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

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

Avoiding it looks quite simple, but still demands a lot of focus. Malware can hide in different places, and it is far better to stop it even before it invades your computer than to depend on an anti-malware program. Simple cybersecurity knowledge is just an essential thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That may save you a lot of time and money which you would certainly spend while trying to find a solution.

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

File Info:

name: B72B7B629DB4155FF26B.mlw
path: /opt/CAPEv2/storage/binaries/80d85c444235c596f86fbfa1e84d53f3c75e59ebd53422a2923a20a62a500662
crc32: F4654C6A
md5: b72b7b629db4155ff26b933057f08e4e
sha1: 30944f8fc1a8f6f3b23720da9fdad8a5add5dae2
sha256: 80d85c444235c596f86fbfa1e84d53f3c75e59ebd53422a2923a20a62a500662
sha512: 1d76583f39cd35d572d2c982522af5c4a3cea1683172f1b2ec0f928977606471a4a3406383ad66940322ce5c002831ecf6789c1fd0ae3cbe58cab86080f73dc4
ssdeep: 6144:7wLG2wEFdIXj8vSse2awAPpEfCzDt4q8dbMA5u61XPB/GwLgo9DIyKanMBLIP:Ea2wpiSBzDYMA5V1XPBBRDInaMBLG
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B1E412267A80C075C85760B29864F7D56EBDA4320CA457CB7F642A7F5F30BE26B7120E
sha3_384: aee314f84f8c04b7b0d3af735e41013492466823dbf6a75f6ba91e081193ef16bd2dd961452f311f6a2f4bf05656ef6c
ep_bytes: e8d4400000e979feffff8bff558bec8b
timestamp: 2022-03-05 17:01:24

Version Info:

Copyright: Copyright (C) 2022, soboklos

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

Elasticmalicious (high confidence)
K7AntiVirusRiskware ( 00584baa1 )
K7GWRiskware ( 00584baa1 )
ESET-NOD32a variant of Win32/Kryptik.HQQL
CynetMalicious (score: 100)
AvastWin32:CrypterX-gen [Trj]
EmsisoftGen:Heur.Mint.Zard.52 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=83)
RisingMalware.Obscure/Heur!1.A89F (CLASSIC)
AVGWin32:CrypterX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

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

Ransom:Win32/StopCrypt.SLZ!MTB malware is very difficult to delete by hand. It stores its documents in several places throughout the disk, and can get back itself from one of the elements. Additionally, a number of alterations in the registry, networking settings and also Group Policies are fairly hard to find and change to the initial. It is far better to make use of a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for malware elimination purposes.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated almost every hour. In addition, it does not have such bugs and weakness 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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