What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.PCF!MTB detection usually means that your computer is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some unusual steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.PCF!MTB detection is a virus detection you can spectate in your computer. It often appears after the preliminary procedures on your computer – opening the suspicious email, clicking the advertisement in the Internet or setting up the program from dubious resources. From the moment it appears, you have a short time to do something about it before it starts its malicious activity. And be sure – it is better not to await these malicious things.

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

Ransom:Win32/StopCrypt.PCF!MTB is ransomware-type malware. It searches for the files on your disk, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a ton of damage to your system. It changes the networking setups in order to stop you from checking out the elimination guidelines or downloading the anti-malware program. Sometimes, Ransom:Win32/StopCrypt.PCF!MTB can additionally block the setup of anti-malware programs.

Ransom:Win32/StopCrypt.PCF!MTB Summary

In total, Ransom:Win32/StopCrypt.PCF!MTB malware activities in the infected computer are next:

  • Sample contains Overlay data;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the files kept on the victim’s disk — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of security tools

Ransomware has actually been a horror story for the last 4 years. It is hard to imagine a more damaging virus for both individual users and organizations. The algorithms used in Ransom:Win32/StopCrypt.PCF!MTB (typically, 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. However, that virus does not do all these unpleasant things without delay – it may require up to several hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.PCF!MTB detection is a clear signal that you need to start the elimination process.

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

Usual tactics of Ransom:Win32/StopCrypt.PCF!MTB injection are typical for all other ransomware variants. Those are one-day landing sites where users are offered to download and install the free app, so-called bait emails and hacktools. Bait e-mails are a relatively new strategy in malware distribution – you get the email that simulates some normal notifications about shippings or bank service conditions modifications. Within the e-mail, there is a corrupted MS Office file, or a web link which opens the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks fairly simple, but still needs tons of attention. Malware can hide in different places, and it is better to prevent it even before it gets into your system than to rely upon an anti-malware program. General cybersecurity knowledge is just an important thing 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 seeking a fixing guide.

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

File Info:

name: BD3F6F1BA62FB0C0F235.mlw
path: /opt/CAPEv2/storage/binaries/97f810c5f21843c661ce9244e2083709f008a338a99c2cff1122d706a4e4e1b9
crc32: 73B7A261
md5: bd3f6f1ba62fb0c0f235aae982a4e2c7
sha1: 3baa263cb2d9f4c6eee4ee018c3781c25bd23f40
sha256: 97f810c5f21843c661ce9244e2083709f008a338a99c2cff1122d706a4e4e1b9
sha512: b85d0972ec88996ba872746101bf230dd37034145a8b09c17fb34d20610b600e70145f05b52c8c994525f5a57a9799e96163ee35e0eaa1e47ec5508f46b2d753
ssdeep: 1536:/ccNrU1SUO917MeBuZB4CTas8XlxU0LcFI3s:071SN9BMeB+GCWsAlxUAh8
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E3530A00ABF08035F6B75AF4997A43987A3E79D12B70D4CF429509EE0A35AE9DD7031B
sha3_384: e051b434e358b9701304d6ceec3ffb416c76dc805dacddc89b817ddaa2fa86de63adb16fdd6f025f3c40f43fc6013735
ep_bytes: 8bff558bece8b6690000e8110000005d
timestamp: 2021-09-28 22:28:22

Version Info:

0: [No Data]

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

Elasticmalicious (moderate confidence)
EmsisoftTrojan.GenericKDZ.90195 (B)
SophosGeneric ML PUA (PUA)
CynetMalicious (score: 100)
MAXmalware (ai score=87)
RisingTrojan.Generic@AI.83 (RDML:vuTPDgcVVElWT7+1FPlArA)
CrowdStrikewin/malicious_confidence_60% (D)

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

Ransom:Win32/StopCrypt.PCF!MTB malware is very difficult to remove by hand. It places its files in a variety of places throughout the disk, and can restore itself from one of the parts. Moreover, a number of changes in the registry, networking settings and also Group Policies are pretty hard to find and return to the original. It is far better to make use of a special tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal purposes.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated practically every hour. Additionally, it does not have such bugs and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for removing 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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