What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.PBZ!MTB detection usually means that your computer 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. Deleteing it requires some unusual steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.PBZ!MTB detection is a virus detection you can spectate in your computer. It frequently shows up after the preliminary procedures on your computer – opening the suspicious e-mail, clicking the banner in the Internet or mounting the program from dubious sources. From the instance it shows up, you have a short time to take action until it begins its destructive action. And be sure – it is much better not to await these malicious actions.

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

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

Ransom:Win32/StopCrypt.PBZ!MTB Summary

In total, Ransom:Win32/StopCrypt.PBZ!MTB malware activities in the infected PC 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;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Korean;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Encrypting the documents kept on the target’s disk — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a major problem for the last 4 years. It is challenging to realize a more dangerous virus for both individual users and organizations. The algorithms used in Ransom:Win32/StopCrypt.PBZ!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. However, that virus does not do all these unpleasant things instantly – it may require up to a few hours to cipher all of your files. Therefore, seeing the Ransom:Win32/StopCrypt.PBZ!MTB detection is a clear signal that you have to begin the elimination procedure.

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

Routine methods of Ransom:Win32/StopCrypt.PBZ!MTB injection are standard for all other ransomware variants. 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 relatively modern strategy in malware spreading – you get the e-mail that mimics some standard notifications about shippings or bank service conditions changes. Inside of the e-mail, there is a malicious MS Office file, or a link which opens 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 demands tons of recognition. Malware can hide in various spots, and it is much better to stop it even before it goes into your computer than to trust in an anti-malware program. Standard cybersecurity knowledge is just an essential item in the modern-day world, even if your relationship with a computer remains on YouTube videos. That may keep you a great deal of money and time which you would certainly spend while trying to find a solution.

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

File Info:

name: DF50FAE83DFBC2BEC1B9.mlw
path: /opt/CAPEv2/storage/binaries/8f21285490dca8ea9337c2c178d7369116b22cd83305679f75f072d62997f405
crc32: 381E4BD5
md5: df50fae83dfbc2bec1b967782d45647d
sha1: 7cbe4b1fab24a47185ee40ead6f06e38a4440fa9
sha256: 8f21285490dca8ea9337c2c178d7369116b22cd83305679f75f072d62997f405
sha512: a95298d8e6803b9d9959f138bfc6023beb0502531209af209eb494a53fc69f710cd8aa6f9ab77a4e60a7555b85278f239a84d9ee64ff8d8b40a85a40d4590334
ssdeep: 6144:6L8F4EqkJRVDiJRBGBJfyMljzCP4HznB4WtPnc4:ONEq0DOJREJfy4CPCt0
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T125548E007A90E03CE5B766F89D79B26DBD2D7EA1AB2550CF52D536EA26345E0EC30307
sha3_384: 72405e500c4dd29ef9bce2e9173dfa72cbbdd9745b47387ecf2c49e66b669e8d469e2142ab7d08ccc58706878d6d628e
ep_bytes: 8bff558bece826b20000e8110000005d
timestamp: 2021-06-11 03:03:03

Version Info:

Translations: 0x0193 0x0059

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

Elasticmalicious (high confidence)
AvastFileRepMalware [Drp]
RisingTrojan.Generic@AI.95 (RDML:+lMR+TxvvUPT48SfQY1skw)
SentinelOneStatic AI – Malicious PE
SophosML/PE-A + Troj/Krypt-FV
CynetMalicious (score: 100)
AVGFileRepMalware [Drp]
CrowdStrikewin/malicious_confidence_100% (W)

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

Ransom:Win32/StopCrypt.PBZ!MTB malware is incredibly difficult to remove by hand. It puts its documents in a variety of places throughout the disk, and can restore itself from one of the elements. Additionally, a lot of changes in the windows registry, networking settings and also Group Policies are really hard to locate and revert to the original. It is far better to make use of a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal goals.

Why GridinSoft Anti-Malware? It is very light-weight and has its detection databases updated nearly every hour. Additionally, it does not have such problems and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal 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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