What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.PAO!MTB detection usually means that your PC is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which encrypts your files and asks 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.PAO!MTB detection is a malware detection you can spectate in your computer. It usually appears after the provoking procedures on your computer – opening the suspicious e-mail messages, clicking the advertisement in the Internet or mounting the program from unreliable sources. From the instance it shows up, you have a short time to take action before it starts its harmful action. And be sure – it is far better not to await these malicious things.

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

Ransom:Win32/StopCrypt.PAO!MTB is ransomware-type malware. It searches for the files on your disks, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a ton of harm to your system. It alters the networking setups in order to avoid you from looking for the elimination guides or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt.PAO!MTB can additionally prevent the launching of anti-malware programs.

Ransom:Win32/StopCrypt.PAO!MTB Summary

In total, Ransom:Win32/StopCrypt.PAO!MTB virus activities 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;
  • Possible date expiration check, exits too soon after checking local time;
  • 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;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • CAPE detected the RedLine malware family;
  • Anomalous binary characteristics;
  • Ciphering the documents kept on the victim’s disks — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a nightmare for the last 4 years. It is hard to imagine a more dangerous malware for both individual users and businesses. The algorithms utilized in Ransom:Win32/StopCrypt.PAO!MTB (usually, 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 already exists, and possibly will exist. But that virus does not do all these unpleasant things immediately – it may require up to a few hours to cipher all of your documents. Thus, seeing the Ransom:Win32/StopCrypt.PAO!MTB detection is a clear signal that you should start the removal process.

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

Usual tactics of Ransom:Win32/StopCrypt.PAO!MTB spreading are common for all other ransomware variants. 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 quite modern tactic in malware distribution – you get the email that mimics some regular notifications about shipments or bank service conditions shifts. Inside of the e-mail, 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.

Preventing it looks fairly simple, but still requires tons of awareness. Malware can hide in various places, and it is much better to prevent it even before it invades your system than to rely upon an anti-malware program. Basic cybersecurity awareness is just an essential item in the modern-day world, even if your relationship with a computer remains on YouTube videos. That can save you a great deal of money and time which you would certainly spend while searching for a solution.

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

File Info:

name: 1CA771C95B727D30B7B5.mlw
path: /opt/CAPEv2/storage/binaries/7e1eea1e834a68e6282c5d52560865733bc3b61dae791d8d034a1203e9b4a3e5
crc32: E612990D
md5: 1ca771c95b727d30b7b529ac39e824c7
sha1: 48541314141b31aa0052d104b1a25218565379b3
sha256: 7e1eea1e834a68e6282c5d52560865733bc3b61dae791d8d034a1203e9b4a3e5
sha512: 6fbe0b2915bf699fc5cc9ff4ce76e268b75ad6729ea5c0c058115ba370dff7bbd41fd5433f66b084b121981dde625b72bcc22971b369391fa725555bd2bb066f
ssdeep: 3072:eQueXwR+KdZDqX+MkOPTYvTEy8J2CwsDatYKJxXZ8XEYsNlYmz9ytQBci/jnhCd8:e5eXwjdZO+MF7l2SkYKjpAXtQBR7hjWy
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AF9401243A51D472C08619308826CFB56ABEE8316D644247B7B93B7DBF727D12A6231F
sha3_384: 22e28953c6acfbcb754244c7ea6e8597c9bbc0051c778368c81276e15ed5e559447d5396720714cb8fe8b2bc064d3f4b
ep_bytes: e8ec660000e978feffffcccccccccccc
timestamp: 2021-06-22 13:46:54

Version Info:

InternationalName: bomgvioci.iwa
Copyright: Copyrighz (C) 2021, fudkort
Translation: 0x0129 0x07b2

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

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 0058d3201 )
K7GWTrojan ( 0058d3201 )
CrowdStrikewin/malicious_confidence_90% (W)
ESET-NOD32a variant of Win32/Kryptik.HOAO
RisingTrojan.Kryptik!1.DB29 (CLOUD)
EmsisoftTrojan.GenericKDZ.82915 (B)
MAXmalware (ai score=83)
CynetMalicious (score: 100)
SentinelOneStatic AI – Suspicious PE
AVGWin32:AceCrypter-B [Cryp]
AvastWin32:AceCrypter-B [Cryp]

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

Ransom:Win32/StopCrypt.PAO!MTB malware is incredibly hard to delete by hand. It puts its documents in numerous locations throughout the disk, and can restore itself from one of the parts. Additionally, various changes in the windows registry, networking settings and Group Policies are fairly hard to identify and revert to the original. It is better to make use of a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal purposes.

Why GridinSoft Anti-Malware? It is very light-weight and has its detection databases updated almost every hour. In addition, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects 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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