Ransom:Win32/StopCrypt.MXK!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.MXK!MTB detection usually means that your PC is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.
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Ransom:Win32/StopCrypt.MXK!MTB detection is a malware detection you can spectate in your system. It often appears after the preliminary actions on your PC – opening the suspicious email, clicking the banner in the Web or installing the program from unreliable resources. From the instance it shows up, you have a short time to act before it starts its malicious activity. And be sure – it is much better not to await these malicious actions.

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

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

Ransom:Win32/StopCrypt.MXK!MTB Summary

In total, Ransom:Win32/StopCrypt.MXK!MTB malware activities 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;
  • 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: Spanish (Panama);
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Ciphering the files kept on the target’s drive — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a major problem for the last 4 years. It is hard to imagine a more hazardous malware for both individual users and organizations. The algorithms utilized in Ransom:Win32/StopCrypt.MXK!MTB (usually, 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 currently exists, and possibly will exist. However, that virus does not do all these unpleasant things without delay – it may take up to several hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.MXK!MTB detection is a clear signal that you need to start the clearing process.

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

Ordinary ways of Ransom:Win32/StopCrypt.MXK!MTB injection are common for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free software, so-called bait emails and hacktools. Bait emails are a pretty new tactic in malware spreading – you get the email that simulates some regular notifications about shippings or bank service conditions updates. Within the email, there is an infected 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.

Avoiding it looks fairly easy, however, still needs tons of focus. Malware can hide in different spots, and it is much better to prevent it even before it goes into your system than to rely on an anti-malware program. Essential cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a PC remains on YouTube videos. That can save you a great deal of money and time which you would certainly spend while searching for a fix guide.

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

File Info:

name: 2460E2890608FA3FD66D.mlw
path: /opt/CAPEv2/storage/binaries/20d8770f9903f6100353ca47a19f43b554efd41157432e2c7dd981bb7446062c
crc32: 288B7C5A
md5: 2460e2890608fa3fd66d80e1102590d8
sha1: d7b73b0f0b80bc825f60d94271d62099d97b4d95
sha256: 20d8770f9903f6100353ca47a19f43b554efd41157432e2c7dd981bb7446062c
sha512: 1891e6da01affbc30a91017a2c31a818de574ddf3dfe469d84585090acda32d9d80b55254adc30309748fd558a285369c545e537d900d1e3f718d5cc12eacb54
ssdeep: 6144:QIiZzWF/RlTMa46dYsUf8RYU+5gRiURSuA+72hosD8:1iZKFplTMa46dYsUfAEgR8uJ72t8
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T108649E10E7A1C434F1B716B889B993A8693E79A17B2490FF52D316EED6386E0DC30357
sha3_384: 1041ba3139d5adba7197bf7c5ef4c36125603caa5b33b1fa4094e4c7ab3e25a79bcf3baa223b305028d384750d9b26df
ep_bytes: 8bff558bece806030000e8110000005d
timestamp: 2021-03-02 08:15:45

Version Info:

0: [No Data]

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

LionicTrojan.Win32.Malicious.4!c
Elasticmalicious (high confidence)
DrWebTrojan.Siggen15.56781
MicroWorld-eScanTrojan.GenericKD.38131487
FireEyeGeneric.mg.2460e2890608fa3f
CAT-QuickHealTrojan.StealerRI.S25121550
McAfeePacked-GDT!2460E2890608
MalwarebytesTrojan.MalPack.GS
ZillyaTrojan.Kryptik.Win32.3630048
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 0058b15a1 )
AlibabaRansom:Win32/StopCrypt.1bd85bcb
K7GWTrojan ( 0058b15a1 )
Cybereasonmalicious.f0b80b
ArcabitTrojan.Generic.D245D71F
CyrenW32/Kryptik.FSC.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HNNA
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan-Spy.Win32.Stealer.gen
BitDefenderTrojan.GenericKD.38131487
TencentTrojan-Spy.Win32.Stealer.16000122
Ad-AwareTrojan.GenericKD.38131487
TACHYONTrojan-Spy/W32.InfoStealer.336896.B
EmsisoftTrojan.GenericKD.38131487 (B)
Comodofls.noname@0
BaiduWin32.Trojan.Kryptik.jm
TrendMicroTROJ_GEN.R03FC0DKU21
McAfee-GW-EditionBehavesLike.Win32.MultiPlug.fm
SophosMal/Generic-R + Troj/Krypt-DY
IkarusTrojan.Agent
JiangminTrojanSpy.Stealer.ish
AviraTR/AD.GenSHCode.qtraz
Antiy-AVLTrojan/Win32.Kryptik
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftRansom:Win32/StopCrypt.MXK!MTB
ViRobotTrojan.Win32.Z.Agent.336896.FZ
GDataWin32.Trojan.BSE.1JF6AHQ
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Glupteba.C4790449
Acronissuspicious
VBA32TrojanSpy.Stealer
MAXmalware (ai score=88)
PandaTrj/GdSda.A
TrendMicro-HouseCallTROJ_GEN.R03FC0DKU21
RisingMalware.Obscure/Heur!1.9E03 (CLASSIC)
YandexTrojan.GenKryptik!6Wu2462ybHw
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Packed.GDV!tr
AVGWin32:CrypterX-gen [Trj]
AvastWin32:CrypterX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

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

Ransom:Win32/StopCrypt.MXK!MTB malware is extremely hard to remove manually. It stores its documents in numerous locations throughout the disk, and can recover itself from one of the elements. Furthermore, a number of modifications in the windows registry, networking setups and also Group Policies are fairly hard to find and revert to the original. It is much better to use a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for malware elimination goals.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated just about every hour. Additionally, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware suitable for clearing away 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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