Ransom:Win32/StopCrypt.PW!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.PW!MTB detection name usually means that your system is in big danger. This malware can correctly be identified as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.PW!MTB detection is a virus detection you can spectate in your computer. It frequently shows up after the preliminary activities on your PC – opening the untrustworthy email messages, clicking the banner in the Internet or installing the program from dubious resources. From the second it shows up, you have a short time to do something about it before it begins its destructive action. And be sure – it is better not to wait for these harmful effects.

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

Ransom:Win32/StopCrypt.PW!MTB is ransomware-type malware. It looks for the files on your computer, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware additionally does a ton of damage to your system. It alters the networking settings in order to avoid you from reading the removal guidelines or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt.PW!MTB can additionally prevent the launching of anti-malware programs.

Ransom:Win32/StopCrypt.PW!MTB Summary

In summary, Ransom:Win32/StopCrypt.PW!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;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Spanish (Colombia);
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Encrypting the documents located on the victim’s drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is challenging to picture a more hazardous malware for both individuals and companies. The algorithms utilized in Ransom:Win32/StopCrypt.PW!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 currently exists, and possibly will exist. But that malware 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.PW!MTB detection is a clear signal that you need to start the removal procedure.

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

Routine tactics of Ransom:Win32/StopCrypt.PW!MTB injection are usual for all other ransomware examples. Those are one-day landing sites where users are offered to download the free app, so-called bait emails and hacktools. Bait emails are a pretty new method in malware spreading – you get the e-mail that imitates some regular notifications about shippings or bank service conditions shifts. Inside of the email, there is a malicious 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.

Preventing it looks fairly simple, however, still demands tons of attention. Malware can hide in different places, and it is far better to stop it even before it gets into your computer than to rely upon an anti-malware program. Simple cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That can keep you a great deal of time and money which you would spend while seeking a fix guide.

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

File Info:

name: EE47619EB85B82DED4D4.mlw
path: /opt/CAPEv2/storage/binaries/81775ef989a3b17a3022d9de1b7d108b4b1f81c7992130ab09d0d29f425fd293
crc32: 3FBFDFA0
md5: ee47619eb85b82ded4d44a939dd7bf60
sha1: bdb25a0a6b26ff33013c0789f2258cffc54b9e22
sha256: 81775ef989a3b17a3022d9de1b7d108b4b1f81c7992130ab09d0d29f425fd293
sha512: dce52ca1f2b7e0d47113532c31f484bb7595ce98753f74bf42deaf71b0b33157a5a8dbbd11c5219ec20ffbfb5d25f99489b8b7fb439bd538cdd0eb06f32ce351
ssdeep: 3072:m0SV00ozmxD9SZkb3N03SOQajRE+L8iINFZCQRLC2aabXmwQc3WQDTfp2hA9K+K9:3wckb+RE+L8iI9CQVC2/Ww33D7QhS/
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BF648E0077E0C835F5B712F959BA93A9B63F79B15B2891CF62D416EA46346E0EC3031B
sha3_384: 4fca69c22b561fad14ecda80d3aab95a84351a1846d3c823d48c65f4e24b0d1a15dfb90de86fd796751110c99596ea3a
ep_bytes: 8bff558bece8f63b0000e8110000005d
timestamp: 2021-03-03 19:59:12

Version Info:

0: [No Data]

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

BkavW32.AIDetect.malware1
LionicTrojan.Win32.Mokes.m!c
Elasticmalicious (high confidence)
ALYacTrojan.GenericKDZ.80762
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 00584baa1 )
AlibabaRansom:Win32/StopCrypt.55e33188
K7GWTrojan ( 0058b0df1 )
Cybereasonmalicious.a6b26f
BaiduWin32.Trojan.Kryptik.jm
CyrenW32/Kryptik.FPK.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HNNA
APEXMalicious
Paloaltogeneric.ml
CynetMalicious (score: 100)
KasperskyUDS:DangerousObject.Multi.Generic
BitDefenderTrojan.GenericKDZ.80762
MicroWorld-eScanTrojan.GenericKDZ.80762
AvastWin32:CrypterX-gen [Trj]
TencentTrojan-Spy.Win32.Stealer.16000122
Ad-AwareTrojan.GenericKDZ.80762
EmsisoftTrojan.Crypt (A)
DrWebTrojan.PWS.Stealer.31482
ZillyaTrojan.Kryptik.Win32.3633526
TrendMicroTrojan.Win32.SMOKELOADER.YXBK4Z
McAfee-GW-EditionBehavesLike.Win32.Injector.fm
FireEyeGeneric.mg.ee47619eb85b82de
SophosMal/Generic-R + Troj/Krypt-DY
IkarusTrojan.Agent
GDataWin32.Trojan.BSE.1JF6AHQ
JiangminTrojan.Strab.qs
AviraTR/Crypt.Agent.woffh
Antiy-AVLTrojan/Generic.ASMalwS.34DE811
KingsoftWin32.Troj.Generic_a.a.(kcloud)
ArcabitTrojan.Generic.D13B7A
MicrosoftRansom:Win32/StopCrypt.PW!MTB
AhnLab-V3Trojan/Win.MalPE.R453834
Acronissuspicious
McAfeePacked-GDV!EE47619EB85B
MAXmalware (ai score=85)
VBA32Backdoor.Mokes
MalwarebytesTrojan.MalPack.GS
TrendMicro-HouseCallTrojan.Win32.SMOKELOADER.YXBK4Z
RisingMalware.Obscure/Heur!1.9E03 (CLASSIC)
YandexTrojan.Kryptik!THLC+GFPsQQ
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_90%
FortinetW32/Kryptik.FSC!tr
AVGWin32:CrypterX-gen [Trj]
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_90% (W)
MaxSecureTrojan.Malware.300983.susgen

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

Ransom:Win32/StopCrypt.PW!MTB malware is very difficult to remove manually. It puts its documents in several locations throughout the disk, and can restore itself from one of the elements. Moreover, a lot of modifications in the windows registry, networking settings and also Group Policies are pretty hard to discover and change to the initial. It is much better to use a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus elimination goals.

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