What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.TA!MTB malware detection means that your system is in big danger. This computer virus 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 taken as soon as possible.
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Ransom:Win32/StopCrypt.TA!MTB detection is a virus detection you can spectate in your system. It generally appears after the preliminary procedures on your computer – opening the untrustworthy email, clicking the advertisement in the Web or setting up the program from unreliable sources. From the moment it shows up, you have a short time to do something about it before it begins its harmful action. And be sure – it is better not to await these destructive things.

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

Ransom:Win32/StopCrypt.TA!MTB is ransomware-type malware. It looks for the files on your disk drives, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware additionally does a ton of harm to your system. It modifies the networking setups in order to stop you from looking for the elimination guidelines or downloading the antivirus. In some cases, Ransom:Win32/StopCrypt.TA!MTB can additionally stop the setup of anti-malware programs.

Ransom:Win32/StopCrypt.TA!MTB Summary

In total, Ransom:Win32/StopCrypt.TA!MTB virus actions in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Tswana;
  • Authenticode signature is invalid;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Ciphering the files kept on the target’s disk drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a major problem for the last 4 years. It is hard to realize a more harmful virus for both individual users and companies. The algorithms used in Ransom:Win32/StopCrypt.TA!MTB (typically, 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. However, that virus does not do all these terrible things immediately – it may take up to several hours to cipher all of your files. Hence, seeing the Ransom:Win32/StopCrypt.TA!MTB detection is a clear signal that you need to start the clearing process.

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

Typical tactics of Ransom:Win32/StopCrypt.TA!MTB distribution are common for all other ransomware examples. Those are one-day landing web pages where users are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a quite modern method in malware distribution – you get the e-mail that imitates some routine notifications about deliveries or bank service conditions changes. Within the e-mail, there is a corrupted 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.

Avoiding it looks pretty uncomplicated, however, still demands a lot of focus. Malware can hide in different spots, and it is much better to stop it even before it invades your system than to depend on an anti-malware program. Standard cybersecurity knowledge is just an important thing in the modern-day world, even if your relationship with a computer remains on YouTube videos. That can keep you a lot of time and money which you would spend while trying to find a fixing guide.

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

File Info:

name: D8D0D4C8EB2F10A8691E.mlw
path: /opt/CAPEv2/storage/binaries/cf310769fea332a5e5ad27af3b6244020e826f8bc989675484945bd76e103159
crc32: 8A4EF1E1
md5: d8d0d4c8eb2f10a8691e45261bc56252
sha1: 19f33b75bcf842f107d841a6cab94b0eb6b3a41b
sha256: cf310769fea332a5e5ad27af3b6244020e826f8bc989675484945bd76e103159
sha512: 4520486e41ed0a460cacf123776bc95a002677f91275ee68fcac4b6567e9043c6637f48295ab49a24beffaa850269b48acae71e0f86f4771526f62c6381da501
ssdeep: 3072:OYL5IiiQ8FAT5bGY6FnG+jliSKpfsSvcjz/PZe4nqBDLnjxX:ZKiqitGlG3f1vc3P1qVLR
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1DE54D0227BA0C072C09255744124D7E25A7BBC3227E589B777A4276E1F307E1BB7A347
sha3_384: 31c663ea2e4e2e5bdf107d4bd60497fd3a05cda9182e71c07e9f793919f7c763e3808ff9cec947030c35ab8adcd0da8c
ep_bytes: e8866c0000e978feffff8bff558bec8b
timestamp: 2021-10-12 07:24:00

Version Info:

InternationalName: povgwaoci.iwe
Copyright: Copyright (C) 2022, somoklos

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

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 0059a7551 )
K7GWTrojan ( 0059a7551 )
ESET-NOD32a variant of Win32/Kryptik.HRLM
CynetMalicious (score: 100)
SophosMal/Generic-S + Troj/Krypt-RQ
EmsisoftTrojan.GenericKD.63448782 (B)
AvastWin32:DropperX-gen [Drp]
RisingTrojan.Generic@AI.100 (RDML:esAkOhLTAewEt0YJkCx6KQ)
AVGWin32:DropperX-gen [Drp]

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

Ransom:Win32/StopCrypt.TA!MTB malware is extremely hard to remove by hand. It puts its data in numerous places throughout the disk, and can recover itself from one of the elements. In addition, a lot of changes in the windows registry, networking setups and Group Policies are pretty hard to find and return to the initial. It is better to utilize a special tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for malware elimination objectives.

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 taking out 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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