What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.PAM!MTB detection means that your PC is in big danger. This computer virus can correctly be named as ransomware – sort of malware which ciphers 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.PAM!MTB detection is a virus detection you can spectate in your system. It frequently appears after the preliminary procedures on your computer – opening the dubious e-mail, clicking the advertisement in the Web or setting up the program from suspicious sources. From the second it shows up, you have a short time to do something about it until it starts its destructive activity. And be sure – it is better not to wait for these harmful things.

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

Ransom:Win32/StopCrypt.PAM!MTB is ransomware-type malware. It looks for the documents on your disk drive, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware additionally does a lot of damage to your system. It alters the networking settings in order to stop you from looking for the elimination guidelines or downloading the anti-malware program. In some cases, Ransom:Win32/StopCrypt.PAM!MTB can even stop the launching of anti-malware programs.

Ransom:Win32/StopCrypt.PAM!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.PAM!MTB ransomware activities in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Syriac;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Enumerates services, possibly for anti-virtualization;
  • Installs itself for autorun at Windows startup;
  • Installs itself for autorun at Windows startup;
  • CAPE detected the Tofsee malware family;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files kept on the target’s disk — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a headache for the last 4 years. It is challenging to imagine a more harmful malware for both individual users and businesses. The algorithms utilized in Ransom:Win32/StopCrypt.PAM!MTB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these horrible things immediately – it can require up to several hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.PAM!MTB detection is a clear signal that you must begin the removal process.

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

Usual methods of Ransom:Win32/StopCrypt.PAM!MTB distribution are typical for all other ransomware examples. Those are one-day landing web pages where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait emails are a relatively modern method in malware spreading – you receive the e-mail that mimics some routine notifications about shippings or bank service conditions changes. Inside of the email, there is an infected MS Office file, or a 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 easy, however, still requires a lot of attention. Malware can hide in different spots, and it is far better to stop it even before it goes into your system than to trust in an anti-malware program. Standard cybersecurity awareness is just an important item in the modern-day world, even if your interaction with a computer remains on YouTube videos. That can save you a lot of money and time which you would certainly spend while looking for a fix guide.

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

File Info:

name: A069ECD74B43F8824474.mlw
path: /opt/CAPEv2/storage/binaries/3aec2f7677eb0f463cd285886982edf88e6ec4b92b63b201ce668012d0502815
crc32: A55E0291
md5: a069ecd74b43f8824474d09e1985a4ac
sha1: 6eacbdb005d60373570c4e8deade2c5b32d0f570
sha256: 3aec2f7677eb0f463cd285886982edf88e6ec4b92b63b201ce668012d0502815
sha512: 09b72c182b2580e8c2608b7225ce76a5ac8e59da8d1805d556b1212b43ab9b09d41b3517c5e082930398a523e7b39d3b22044f8bf47cffe3b28bd2a167c42455
ssdeep: 24576:Tmplhzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxzxn:yp
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D1E66A34AFEDC549E5B787708B31FAD80A3ABC91F911625B1550E20A2D70EDC8DD236E
sha3_384: c41b5fe6bfb5a05e4046be588e84a2234bc667fbb783044e0f4af4b61bdd2de11d5eb086b7e12415656ed363a5860a05
ep_bytes: e8ba580000e978feffffcccccccccccc
timestamp: 2020-11-17 18:00:22

Version Info:

InternationalName: bomgvioci.iwa
Copyright: Copyrighz (C) 2021, fudkort
Translation: 0x0129 0x0794

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

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 0058d1b01 )
K7GWTrojan ( 0058d1b01 )
ESET-NOD32a variant of Win32/Kryptik.HNYT
AvastWin32:AceCrypter-B [Cryp]
EmsisoftTrojan.Crypt (A)
SophosML/PE-A + Mal/Agent-AWV
CynetMalicious (score: 100)
RisingTrojan.Kryptik!1.DB29 (RDMK:cmRtazqcRK5A1tPf6gQw8LLj9RLi)
MAXmalware (ai score=88)
AVGWin32:AceCrypter-B [Cryp]
CrowdStrikewin/malicious_confidence_60% (D)

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

Ransom:Win32/StopCrypt.PAM!MTB malware is incredibly difficult to remove by hand. It places its data in multiple locations throughout the disk, and can recover itself from one of the elements. Additionally, countless alterations in the windows registry, networking setups and also Group Policies are really hard to find and return to the original. It is better to make use of a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for malware removal objectives.

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