Ransom:Win32/StopCrypt.PX!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.PX!MTB malware detection usually means that your system is in big danger. This computer virus can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Deleteing it requires some unusual steps that must be done as soon as possible.
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Ransom:Win32/StopCrypt.PX!MTB detection is a virus detection you can spectate in your system. It often shows up after the preliminary actions on your computer – opening the dubious e-mail, 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 take action until it starts its destructive activity. And be sure – it is far better not to await these destructive effects.

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

Ransom:Win32/StopCrypt.PX!MTB is ransomware-type malware. It searches for the files on your disk drive, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware also does a lot of harm to your system. It alters the networking settings in order to prevent you from looking for the removal tutorials or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt.PX!MTB can additionally stop the setup of anti-malware programs.

Ransom:Win32/StopCrypt.PX!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.PX!MTB ransomware 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;
  • A process created a hidden window;
  • 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;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Encrypting the documents kept on the target’s disk drive — so the victim cannot use these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a major problem for the last 4 years. It is difficult to imagine a more harmful malware for both individual users and corporations. The algorithms utilized in Ransom:Win32/StopCrypt.PX!MTB (generally, 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. But that malware does not do all these terrible things immediately – it may take up to a few hours to cipher all of your documents. Thus, seeing the Ransom:Win32/StopCrypt.PX!MTB detection is a clear signal that you need to begin the removal procedure.

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

General methods of Ransom:Win32/StopCrypt.PX!MTB distribution are typical for all other ransomware examples. Those are one-day landing websites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a relatively modern method in malware distribution – you receive the e-mail that imitates some routine notifications about deliveries or bank service conditions changes. Within the e-mail, there is an infected MS Office file, or a 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 easy, but still demands a lot of awareness. Malware can hide in various spots, and it is far better to stop it even before it invades your PC than to rely upon an anti-malware program. General cybersecurity awareness is just an essential item in the modern world, even if your interaction with a PC remains on YouTube videos. That can save you a lot of money and time which you would spend while seeking a fixing guide.

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

File Info:

name: EF772315F88F357EEFCF.mlw
path: /opt/CAPEv2/storage/binaries/9ef81059471ffb382077f86eacba144416f58e6f26286a5245d3ec940d8e3441
crc32: 4DED972A
md5: ef772315f88f357eefcf420d7f26c04d
sha1: 2d0f0cfa9a06c484230e5609c7a639209f103be4
sha256: 9ef81059471ffb382077f86eacba144416f58e6f26286a5245d3ec940d8e3441
sha512: 3e31cab7cb229befe6c34f706f3c7bcdfc672e45769695d7dbb0400bf8eac7da902c02f8702c803af69abb55cf4ef1f0aa4985f1a625c3db2aaf5bdae3211c46
ssdeep: 6144:sioENy+CIVXMIiqjIRxCQJU+3c7mU4Mm:sioCy2iqjIRxU+QmUO
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T191648D0067E0C434F5B712B859BA93B9B53FBDA16B2490CF62D516EA5A346E0EC3131B
sha3_384: d705d8d724f004307ec4c5848596e9c4e5fea230554e5535b2b2d269da7010258a1dadaa7aca25b6f8e90b71978fb900
ep_bytes: 8bff558bece8f63b0000e8110000005d
timestamp: 2021-02-01 10:21:55

Version Info:

0: [No Data]

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

BkavW32.AIDetect.malware1
LionicTrojan.Win32.Strab.4!c
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CAT-QuickHealTrojan.RaccryptPMF.S25282268
ALYacTrojan.GenericKD.47511006
MalwarebytesTrojan.MalPack.GS
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0058b0df1 )
AlibabaRansom:Win32/StopCrypt.0cdef4e8
K7GWTrojan ( 0058b0df1 )
CrowdStrikewin/malicious_confidence_100% (W)
CyrenW32/Kryptik.FPK.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HNNA
BaiduWin32.Trojan.Kryptik.jm
APEXMalicious
AvastWin32:BotX-gen [Trj]
KasperskyHEUR:Backdoor.Win32.Mokes.gen
BitDefenderTrojan.GenericKD.47511006
ViRobotTrojan.Win32.Z.Strab.335872.C
MicroWorld-eScanTrojan.GenericKD.47511006
RisingMalware.Obscure/Heur!1.9E03 (CLASSIC)
Ad-AwareTrojan.GenericKD.47511006
EmsisoftTrojan.Crypt (A)
F-SecureTrojan.TR/Kryptik.umbkm
DrWebTrojan.PWS.Stealer.31482
ZillyaTrojan.Kryptik.Win32.3646799
TrendMicroTrojan.Win32.SMOKELOADER.YXBK4Z
McAfee-GW-EditionBehavesLike.Win32.Worm.fm
FireEyeGeneric.mg.ef772315f88f357e
SophosMal/Generic-S + Troj/Krypt-DY
IkarusTrojan.Agent
GDataWin32.Trojan.BSE.1JF6AHQ
JiangminTrojan.Strab.pu
AviraTR/Kryptik.umbkm
Antiy-AVLTrojan/Generic.ASMalwS.34DD791
ArcabitTrojan.Generic.D2D4F5DE
MicrosoftRansom:Win32/StopCrypt.PX!MTB
AhnLab-V3Trojan/Win.MalPE.R453834
Acronissuspicious
McAfeePacked-GDV!EF772315F88F
MAXmalware (ai score=82)
VBA32Trojan.Strab
CylanceUnsafe
TrendMicro-HouseCallTrojan.Win32.SMOKELOADER.YXBK4Z
TencentTrojan-Spy.Win32.Stealer.16000122
YandexTrojan.Kryptik!RPyDkKPqhkk
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.FODF!tr
AVGWin32:BotX-gen [Trj]
Cybereasonmalicious.a9a06c
Paloaltogeneric.ml

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

Ransom:Win32/StopCrypt.PX!MTB malware is very hard to delete manually. It puts its documents in numerous places throughout the disk, and can restore itself from one of the elements. Moreover, a number of modifications in the registry, networking setups and Group Policies are really hard to locate and return to the initial. It is much better to use a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the best for virus removal goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated just about every hour. In addition, it does not have such bugs and weakness as Microsoft Defender does. The combination of these aspects 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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