What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.ST!MTB detection means that your PC is in big danger. This computer 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.ST!MTB detection is a virus detection you can spectate in your computer. It frequently appears after the preliminary procedures on your PC – opening the untrustworthy email messages, clicking the advertisement in the Internet or setting up the program from untrustworthy sources. From the moment it shows up, you have a short time to do something about it before it begins its destructive activity. And be sure – it is better not to wait for these malicious actions.

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

Ransom:Win32/StopCrypt.ST!MTB is ransomware-type malware. It searches for the documents on your computer, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus additionally does a ton of damage to your system. It modifies the networking setups in order to stop you from looking for the elimination manuals or downloading the antivirus. In rare cases, Ransom:Win32/StopCrypt.ST!MTB can even prevent the launching of anti-malware programs.

Ransom:Win32/StopCrypt.ST!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.ST!MTB malware actions in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Performs HTTP requests potentially not found in PCAP.;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Attempts to modify proxy settings;
  • Encrypting the files located on the victim’s disk — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a headache for the last 4 years. It is hard to picture a more harmful malware for both individual users and companies. The algorithms utilized in Ransom:Win32/StopCrypt.ST!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 actually exists, and possibly will exist. But that malware does not do all these horrible things instantly – it may require up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.ST!MTB detection is a clear signal that you have to start the removal process.

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

Usual ways of Ransom:Win32/StopCrypt.ST!MTB injection are basic for all other ransomware examples. Those are one-day landing websites where victims are offered to download and install the free app, so-called bait emails and hacktools. Bait emails are a quite modern method in malware spreading – you get the email that imitates some routine notifications about shipments or bank service conditions updates. Inside of the email, there is a corrupted MS Office file, or a web 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 pretty uncomplicated, but still needs tons of attention. Malware can hide in different places, and it is much better to prevent it even before it invades your system than to rely upon an anti-malware program. Standard cybersecurity knowledge is just an important thing in the modern world, even if your interaction with a computer stays on YouTube videos. That can keep you a great deal of time and money which you would spend while trying to find a fixing guide.

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

File Info:

name: 5467934EB31DC7A24C37.mlw
path: /opt/CAPEv2/storage/binaries/eace9d6f2be6f377e9a834aed0f2c7b31252e911a65c482366b7a9cb9828d42a
crc32: EC62B91D
md5: 5467934eb31dc7a24c37350fb86c53f8
sha1: 9b918a71a3c09ff5337ef6fca03e0bd57215785b
sha256: eace9d6f2be6f377e9a834aed0f2c7b31252e911a65c482366b7a9cb9828d42a
sha512: 299b6ef60fd443b231450d430193018e18b625e4ba902dd57b6f445886e56dbeddcd5bfc067bb203ccc24f20b971c088279aa2dce4fe23f27e797572673b6f2d
ssdeep: 6144:1hw3RLBDbjUwXZJhyogJX8M12aQlMSYPppsuMXnh4:1hw3RNbjU4iogJX8naOMrkZq
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17774F10339C0C871EA6A61358D75D6746BFBBC7506368A877BE812AC4F657D29E30383
sha3_384: f650b380323c47ff20b0e48d2453eed3b454be42a2b1fdcb0dc74e1cead83ce4da6e71c9f1f66cd7ce480afc361de870
ep_bytes: e850680000e979feffff8bff558bec8b
timestamp: 2021-06-18 04:45:37

Version Info:

Translations: 0x0148 0x007e

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

K7GWRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Kryptik.HRDA
CynetMalicious (score: 100)
AvastCrypterX-gen [Trj]
EmsisoftTrojan.GenericKD.62684328 (B)
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=99)
RisingTrojan.Generic@AI.90 (RDML:NtWq9VMdKz8gw0ap0vhgKA)
AVGCrypterX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

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

Ransom:Win32/StopCrypt.ST!MTB malware is incredibly difficult to remove by hand. It stores its files in multiple locations throughout the disk, and can recover itself from one of the elements. Furthermore, numerous changes in the windows registry, networking settings and also Group Policies are fairly hard to find and change to the original. It is better to utilize a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for malware removal purposes.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its detection databases updated almost every hour. Furthermore, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for getting rid of 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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