What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.PK!MTB detection means that your PC is in big danger. This malware can correctly be named 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.
GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

Ransom:Win32/StopCrypt.PK!MTB detection is a malware detection you can spectate in your computer. It frequently shows up after the provoking actions on your PC – opening the suspicious email, clicking the banner in the Internet or installing the program from untrustworthy sources. From the instance it shows up, you have a short time to do something about it until it begins its malicious activity. And be sure – it is much better not to await these destructive actions.

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

Ransom:Win32/StopCrypt.PK!MTB is ransomware-type malware. It searches for the files on your disks, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware also does a lot of damage to your system. It modifies the networking settings in order to avoid you from reading the elimination manuals or downloading the anti-malware program. Sometimes, Ransom:Win32/StopCrypt.PK!MTB can additionally block the launching of anti-malware programs.

Ransom:Win32/StopCrypt.PK!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.PK!MTB virus actions 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;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • HTTPS urls from behavior.;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Spanish (Paraguay);
  • 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;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • CAPE detected the STOP malware family;
  • Attempts to modify proxy settings;
  • Anomalous binary characteristics;
  • Encrypting the files kept on the target’s drives — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of security tools

Related domains:


Ransomware has actually been a nightmare for the last 4 years. It is hard to realize a more harmful malware for both individual users and organizations. The algorithms utilized in Ransom:Win32/StopCrypt.PK!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 unpleasant things immediately – it may take up to a few hours to cipher all of your documents. Thus, seeing the Ransom:Win32/StopCrypt.PK!MTB detection is a clear signal that you have to begin the clearing process.

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

Standard ways of Ransom:Win32/StopCrypt.PK!MTB spreading are standard for all other ransomware variants. Those are one-day landing web pages where users are offered to download and install the free software, so-called bait e-mails and hacktools. Bait emails are a quite new strategy in malware distribution – you receive the email that mimics some normal notifications about shipments or bank service conditions modifications. Within the email, 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, but still requires tons of recognition. Malware can hide in different places, and it is better to prevent it even before it invades your system than to rely upon an anti-malware program. Standard cybersecurity awareness is just an essential thing in the modern world, even if your interaction with a PC stays 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.PK!MTB malware technical details

File Info:

name: C030F577A0E1CDC22E11.mlw
path: /opt/CAPEv2/storage/binaries/4f3677685dc2ab9b76b5d3e9e213d31b2f3e45e9c2a6c25e547b020eb8c92dea
crc32: 774E391F
md5: c030f577a0e1cdc22e11fcf41b1c0443
sha1: 17a52df477d311e77bee1754dfe4607c1900d05d
sha256: 4f3677685dc2ab9b76b5d3e9e213d31b2f3e45e9c2a6c25e547b020eb8c92dea
sha512: 25616aa703a314939e3fb8c66173039956c5b98283d3922f5313aeb5da8d76d55a3e6c92c935d795b2734a4fec968679f4337ef33a74607480349d0b214e28cc
ssdeep: 24576:z29OoiMqc8ivTbTYuWUoVH8ZsFIL0vnSh8koeUFia:a9BwDuWUq4sF40PJ2u
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T12D05021067A1C034F5B612F49A7997B8B53F3EA09B6490CF92E512FA5B356E1EC3034B
sha3_384: 0584395bbdf6506f63e1b89d06e65e41e34d49f54f64c2a670a5665134ef02289f353570dccc9811d06917dc99ab71cb
ep_bytes: 8bff558bece8462c0000e8110000005d
timestamp: 2020-12-22 11:28:10

Version Info:

Translation: 0x0252 0x0011

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

Elasticmalicious (high confidence)
K7AntiVirusRiskware ( 00584baa1 )
K7GWRiskware ( 00584baa1 )
ESET-NOD32a variant of Win32/Kryptik.HMYX
AvastWin32:BotX-gen [Trj]
SophosML/PE-A + Troj/Krypt-DI
EmsisoftTrojan.Crypt (A)
CynetMalicious (score: 100)
MAXmalware (ai score=80)
RisingTrojan.Kryptik!1.D9FE (CLASSIC)
SentinelOneStatic AI – Malicious PE
AVGWin32:BotX-gen [Trj]
CrowdStrikewin/malicious_confidence_80% (W)

How to remove NAME?

Ransom:Win32/StopCrypt.PK!MTB malware is very hard to delete by hand. It places its files in numerous places throughout the disk, and can recover itself from one of the elements. Additionally, numerous alterations in the registry, networking setups and Group Policies are really hard to identify and change to the original. It is much better to make use of a special tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus elimination reasons.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated just about every hour. In addition, it does not have such problems and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for removing malware of any type.

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
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply