Ransom:Win32/StopCrypt.SO!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.SO!MTB detection means that your system is in big danger. This computer virus can correctly be named as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.SO!MTB detection is a malware detection you can spectate in your system. It generally appears after the preliminary activities on your computer – opening the suspicious email, clicking the advertisement in the Internet or installing the program from suspicious resources. From the instance it shows up, you have a short time to take action before it starts its harmful activity. And be sure – it is much better not to await these harmful effects.

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

Ransom:Win32/StopCrypt.SO!MTB is ransomware-type malware. It searches for the documents on your disk drives, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus also does a ton of harm to your system. It modifies the networking settings in order to stop you from looking for the removal tutorials or downloading the anti-malware program. In some cases, Ransom:Win32/StopCrypt.SO!MTB can also prevent the setup of anti-malware programs.

Ransom:Win32/StopCrypt.SO!MTB Summary

In summary, Ransom:Win32/StopCrypt.SO!MTB virus activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Presents an Authenticode digital signature;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • CAPE detected the RedLine malware family;
  • Anomalous binary characteristics;
  • Ciphering the files located on the target’s drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a headache for the last 4 years. It is challenging to picture a more hazardous virus for both individuals and organizations. The algorithms used in Ransom:Win32/StopCrypt.SO!MTB (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these unpleasant things without delay – it can take up to several hours to cipher all of your files. Hence, seeing the Ransom:Win32/StopCrypt.SO!MTB detection is a clear signal that you have to begin the elimination procedure.

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

Common tactics of Ransom:Win32/StopCrypt.SO!MTB spreading are typical for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait emails are a relatively new tactic in malware distribution – you get the email that mimics some routine notifications about shippings or bank service conditions updates. Within the e-mail, there is a corrupted MS Office file, or a web 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 fairly simple, but still requires a lot of recognition. Malware can hide in various places, and it is much better to stop it even before it invades your computer than to depend on an anti-malware program. General cybersecurity knowledge is just an important thing in the modern-day world, even if your relationship with a computer stays on YouTube videos. That can save you a great deal of money and time which you would spend while looking for a fixing guide.

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

File Info:

name: 75AE542139E2E9904B6E.mlw
path: /opt/CAPEv2/storage/binaries/3a95cd54b3222ddbdb8ad3786320afb95ad09d9e89b2cf475bcf339cff7b49c7
crc32: 794091A0
md5: 75ae542139e2e9904b6ef1e7edcea58e
sha1: e1c75b5d81763f96427ef1d88b6ffcff7e98fb27
sha256: 3a95cd54b3222ddbdb8ad3786320afb95ad09d9e89b2cf475bcf339cff7b49c7
sha512: 9ce9c072dc4bf2a87254416babbb05bb0ea4aadbea2805525a8ce02f262ba87986028017cb8abe2154982c78023651bfb7195a51d6893c313bc75e35506d2e14
ssdeep: 6144:Z0Z17iwJDcDaS5a4RLjzdMOTFpccKlSpLf:Z0Z17dZcmS0GjxRjXeSRf
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1575402113261D033D6BA253058F8C790BF79B55312721D8F77A4226E8F60BE19B3A74B
sha3_384: 33832da5c176ee244d3dd1e6b86fb10b69486f2ae5fa23713e15ecb4b6c6452c52efac918a182e8910b0f62a59dd6325
ep_bytes: e8b6230000e978feffff8bff558bec81
timestamp: 2021-09-04 22:33:46

Version Info:

Translations: 0x0179 0x0079

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

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Babar.107120
ClamAV Win.Malware.Pwsx-9972736-0
FireEye Generic.mg.75ae542139e2e990
McAfee Packed-GEE!75AE542139E2
Cylance Unsafe
VIPRE Gen:Variant.Babar.107120
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/Kryptik.HRX.gen!Eldorado
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Kryptik.HQZP
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Spy.Win32.Stealer.gen
BitDefender Gen:Variant.Babar.107120
Avast Win32:DropperX-gen [Drp]
Ad-Aware Gen:Variant.Babar.107120
Emsisoft Gen:Variant.Babar.107120 (B)
DrWeb Trojan.PWS.Siggen3.22801
McAfee-GW-Edition Packed-GEE!75AE542139E2
Trapmine malicious.high.ml.score
Sophos ML/PE-A + Troj/Krypt-QV
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Babar.107120
Avira TR/AD.RedLineSteal.aoukx
Antiy-AVL Trojan/Generic.ASCommon.2BA
Arcabit Trojan.Babar.D1A270
Microsoft Ransom:Win32/StopCrypt.SO!MTB
Google Detected
AhnLab-V3 Packed/Win.GEE.R523846
ALYac Gen:Variant.Babar.107120
MAX malware (ai score=83)
VBA32 BScope.Trojan.Yakes
Malwarebytes Trojan.MalPack
Ikarus Trojan-Ransom.StopCrypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.FBYO!tr
AVG Win32:DropperX-gen [Drp]

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

Ransom:Win32/StopCrypt.SO!MTB malware is very difficult to remove by hand. It stores its files in numerous locations throughout the disk, and can get back itself from one of the elements. Moreover, numerous changes in the windows registry, networking setups and Group Policies are quite hard to identify and revert to the initial. It is much better to make use of a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for virus removal purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated nearly every hour. Additionally, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for getting rid of 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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