What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.PC!MTB detection name means that your system is in big danger. This malware can correctly be identified as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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Ransom:Win32/StopCrypt.PC!MTB detection is a virus detection you can spectate in your system. It frequently appears after the preliminary actions on your computer – opening the dubious email messages, clicking the advertisement in the Internet or installing the program from dubious resources. From the moment it shows up, you have a short time to take action until it begins its destructive action. And be sure – it is far better not to wait for these destructive actions.

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

Ransom:Win32/StopCrypt.PC!MTB is ransomware-type malware. It searches for the documents on your disk, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware also does a ton of harm to your system. It modifies the networking setups in order to avoid you from reading the removal guidelines or downloading the anti-malware program. In rare cases, Ransom:Win32/StopCrypt.PC!MTB can even stop the setup of anti-malware programs.

Ransom:Win32/StopCrypt.PC!MTB Summary

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

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Presents an Authenticode digital signature;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Enumerates the modules from a process (may be used to locate base addresses in process injection);
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Arabic (Libya);
  • 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 victim’s disk drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a horror story for the last 4 years. It is challenging to picture a more damaging virus for both individual users and corporations. The algorithms utilized in Ransom:Win32/StopCrypt.PC!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 virus does not do all these unpleasant things immediately – it may require up to a few hours to cipher all of your documents. Hence, seeing the Ransom:Win32/StopCrypt.PC!MTB detection is a clear signal that you have to start the elimination process.

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

General tactics of Ransom:Win32/StopCrypt.PC!MTB distribution are typical for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a relatively new tactic in malware spreading – you get the email that simulates some routine notifications about shippings or bank service conditions shifts. Within the email, there is an infected MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks pretty simple, however, still requires a lot of recognition. Malware can hide in different spots, and it is much better to stop it even before it invades your PC than to depend on an anti-malware program. General cybersecurity knowledge is just an important item in the modern world, even if your interaction with a PC remains on YouTube videos. That may save you a lot of time and money which you would spend while searching for a fix guide.

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

File Info:

name: CC13F09402C25EECF806.mlw
path: /opt/CAPEv2/storage/binaries/af297257e7d61fc32d4933a0b7dbfd4cf20c23071ae9d2243f9db3bee0ecddf0
crc32: 43F9F274
md5: cc13f09402c25eecf806048c8ee0f393
sha1: 16b018f9eeb0e412f2e02c80f086e45740e71652
sha256: af297257e7d61fc32d4933a0b7dbfd4cf20c23071ae9d2243f9db3bee0ecddf0
sha512: ce4ff3ee6e833fd4494adc39adf463c63ec294b2e176f0e6b896b8df5ab3c5dd3d3ec25220a71cf84bbe585804768c80c0e1bc5204c6416f473deba84eec91cd
ssdeep: 6144:WOTsyeZKwPeOPPAtM+Tk37ybXvW6si/wAT9PkCBwjtwrsu:3TsyUmtMGk+b7s5AhFBairsu
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1E174E0113AA0CE32CAA709319720D7A46676B9626D34C7C77757AB7EEF203C27635306
sha3_384: 862731f9874286c3a54d4ff768cb89ce064b44ad6e8c1e5b272fe2856f795d25ab3210c1a21c34da519fc6024f8e5a5a
ep_bytes: e8bf440000e978feffffcccccccccccc
timestamp: 2020-09-25 20:47:23

Version Info:

InternalName: sojbmoeminu.ihe
Copyright: Copyrighz (C) 2021, fudkagata
ProductVersion: 8.19.590.38
Translation: 0x0129 0x0171

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

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 005894161 )
K7GWTrojan ( 004d378c1 )
ESET-NOD32a variant of Win32/Kryptik.DZIC
CynetMalicious (score: 100)
RisingTrojan.Kryptik!1.D9B3 (CLOUD)
EmsisoftTrojan.GenericKD.37616465 (B)
SophosMal/Generic-S + Troj/Krypt-BO
MAXmalware (ai score=89)
SentinelOneStatic AI – Suspicious PE
AVGWin32:MalwareX-gen [Trj]
AvastWin32:MalwareX-gen [Trj]
CrowdStrikewin/malicious_confidence_90% (W)

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

Ransom:Win32/StopCrypt.PC!MTB malware is very difficult to remove by hand. It puts its documents in several locations throughout the disk, and can get back itself from one of the parts. Moreover, numerous modifications in the windows registry, networking setups and also Group Policies are pretty hard to find and return to the original. It is far better to make use of a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus removal reasons.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its detection databases updated just about every hour. In addition, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware suitable for eliminating 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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