What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/Stopcrypt.PAE!MTB malware detection means that your PC is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be done as soon as possible.
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Ransom:Win32/Stopcrypt.PAE!MTB detection is a virus detection you can spectate in your computer. It usually appears after the provoking procedures on your PC – opening the dubious e-mail messages, clicking the banner in the Internet or setting up the program from suspicious resources. From the moment it shows up, you have a short time to take action before it starts its harmful action. And be sure – it is better not to wait for these malicious things.

What is Ransom:Win32/Stopcrypt.PAE!MTB virus?

Ransom:Win32/Stopcrypt.PAE!MTB is ransomware-type malware. It searches for the files on your computer, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus also does a lot of damage to your system. It changes the networking settings in order to stop you from reading the elimination manuals or downloading the anti-malware program. Sometimes, Ransom:Win32/Stopcrypt.PAE!MTB can additionally block the launching of anti-malware programs.

Ransom:Win32/Stopcrypt.PAE!MTB Summary

In total, Ransom:Win32/Stopcrypt.PAE!MTB virus activities in the infected system 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;
  • Checks adapter addresses which can be used to detect virtual network interfaces;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Uzbek (Latin);
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Attempts to modify proxy settings;
  • Collects information to fingerprint the system;
  • Ciphering the documents located on the target’s disks — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has been a headache for the last 4 years. It is difficult to picture a more damaging malware for both individuals and companies. The algorithms used in Ransom:Win32/Stopcrypt.PAE!MTB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these horrible things without delay – it may require up to a few hours to cipher all of your files. Thus, seeing the Ransom:Win32/Stopcrypt.PAE!MTB detection is a clear signal that you have to start the removal process.

Where did I get the Ransom:Win32/Stopcrypt.PAE!MTB?

Ordinary tactics of Ransom:Win32/Stopcrypt.PAE!MTB distribution are common for all other ransomware examples. Those are one-day landing websites where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a relatively modern strategy in malware distribution – you receive the email that mimics some regular notifications about shipments or bank service conditions changes. Inside of the e-mail, there is a malicious MS Office file, or a 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 easy, however, still demands a lot of recognition. Malware can hide in different places, and it is much 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 item in the modern world, even if your relationship with a computer remains on YouTube videos. That can keep you a lot of money and time which you would certainly spend while searching for a solution.

Ransom:Win32/Stopcrypt.PAE!MTB malware technical details

File Info:

name: 693B71F04C61953A675B.mlw
path: /opt/CAPEv2/storage/binaries/4c4db73ccbc076b0118e386258d87964abb728270791a35353218268d752e0ec
crc32: 9AA11C9B
md5: 693b71f04c61953a675b6f1e63aef90f
sha1: 1f3f7a8cdf0167a5c840929beb30e1727bda125d
sha256: 4c4db73ccbc076b0118e386258d87964abb728270791a35353218268d752e0ec
sha512: 484145da477d44ca0b119d26047911c10b5685fbb240eca6e9e681d7f856a783eaa2fbfa56abb6945b1487ddc2e3e13ecb3527902749d21959dfd738bb2eeafb
ssdeep: 6144:vF5ixyI4Fwlpg9v2BKH7AVCQXJmZGtVka:vF5lBFOi9v2BKcV/yEk
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B6548C10BB90C435F1B702F449799368B93E7AA16B3851CF67D52AEE5A346E4EC3031B
sha3_384: ae9801c842ec21b3a75ee9fdccb7c362bf76484826f3ffa117152b6ca3f0727e54f067769aa7e6850d5978cc87adb3df
ep_bytes: 8bff558bece8c6ce0000e8110000005d
timestamp: 2021-11-03 00:31:56

Version Info:

0: [No Data]

Ransom:Win32/Stopcrypt.PAE!MTB also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 00593b081 )
K7GWTrojan ( 00593b081 )
ESET-NOD32a variant of Win32/Kryptik.HPTH
CynetMalicious (score: 100)
RisingTrojan.Kryptik!1.DE4C (CLASSIC)
EmsisoftTrojan.GenericKDZ.88867 (B)
MAXmalware (ai score=86)
SentinelOneStatic AI – Malicious PE
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Ransom:Win32/Stopcrypt.PAE!MTB?

Ransom:Win32/Stopcrypt.PAE!MTB malware is very hard to delete manually. It places its documents in a variety of places throughout the disk, and can get back itself from one of the parts. Moreover, numerous modifications in the windows registry, networking configurations and also Group Policies are quite hard to identify and change to the original. It is far better to use a specific program – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus elimination purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated nearly every hour. In addition, it does not have such bugs and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for eliminating 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
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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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