Ransom:Win32/StopCrypt.PAB!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.PAB!MTB detection means that your system is in big danger. This malware can correctly be identified as ransomware – virus which encrypts your files and asks you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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Ransom:Win32/StopCrypt.PAB!MTB detection is a virus detection you can spectate in your computer. It generally shows up after the provoking activities on your PC – opening the suspicious email messages, clicking the banner in the Web or setting up the program from dubious sources. From the second it shows up, you have a short time to act until it begins its destructive action. And be sure – it is far better not to wait for these harmful things.

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

Ransom:Win32/StopCrypt.PAB!MTB is ransomware-type malware. It searches for the documents on your disk drive, encrypts 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 damage to your system. It alters the networking setups in order to avoid you from checking out the removal tutorials or downloading the antivirus. In rare cases, Ransom:Win32/StopCrypt.PAB!MTB can additionally stop the launching of anti-malware programs.

Ransom:Win32/StopCrypt.PAB!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.PAB!MTB ransomware actions 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 (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;
  • Ciphering the files located on the target’s disk drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a major problem for the last 4 years. It is hard to picture a more hazardous virus for both individual users and companies. The algorithms utilized in Ransom:Win32/StopCrypt.PAB!MTB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy already exists, and possibly will exist. However, that malware does not do all these terrible things immediately – it may require up to a few hours to cipher all of your files. Thus, seeing the Ransom:Win32/StopCrypt.PAB!MTB detection is a clear signal that you need to start the elimination process.

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

General methods of Ransom:Win32/StopCrypt.PAB!MTB distribution are typical for all other ransomware examples. Those are one-day landing web pages where victims are offered to download and install the free app, so-called bait emails and hacktools. Bait emails are a pretty modern tactic in malware spreading – you get the email that imitates some regular notifications about shipments or bank service conditions shifts. Inside of the email, there is a malicious 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, but still requires tons of focus. Malware can hide in various spots, and it is much better to stop it even before it gets into your PC than to rely on an anti-malware program. Basic cybersecurity awareness is just an important thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may keep you a lot of time and money which you would spend while searching for a fix guide.

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

File Info:

name: 830C02C39498DDBD7494.mlw
path: /opt/CAPEv2/storage/binaries/1fbcd71bd94633e2bfe36fdcb3af542562334fc61d52a5d2ecb9839e9e1a3e11
crc32: A5F7D586
md5: 830c02c39498ddbd7494ba8f0bc8fff2
sha1: 07dce439f86e555b436bd573c33a118ea6a893d0
sha256: 1fbcd71bd94633e2bfe36fdcb3af542562334fc61d52a5d2ecb9839e9e1a3e11
sha512: ee82659d917d374f7f881b3c768f04a5f28251de2fa4bc98ae6c502c848be8775dd1ff33e492d3f002c32e30ffd8f91cd20be60c7f9ea18c21e0fc18093b7c20
ssdeep: 6144:W/4lg60k20qpAtPmUA1OI9ZoE+zxrr9uoM5S:W4TpqytPmB1OI9ZB+zxMo/
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T193647D10A6E0D435F5B712F85AB9A278A93F7EB16B3490CF12D416EE56346E1EC3031B
sha3_384: b1939e5d3a6355f2a3a50134426f9c4ba7d9f56466fb7371984360dab9a47c5763d491d799e362b017f069ec9247fc39
ep_bytes: 8bff558bece856830000e8110000005d
timestamp: 2020-06-15 08:41:52

Version Info:

0: [No Data]

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

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.47590180
FireEye Generic.mg.830c02c39498ddbd
McAfee Packed-GEE!830C02C39498
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0058b88d1 )
K7GW Trojan ( 0058b88d1 )
Baidu Win32.Trojan.Kryptik.jm
Cyren W32/Kryptik.FSC.gen!Eldorado
Symantec Packed.Generic.620
ESET-NOD32 a variant of Win32/Kryptik.HNOX
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Strab.gen
BitDefender Trojan.GenericKD.47590180
Avast Win32:CrypterX-gen [Trj]
Sophos Mal/Generic-S
DrWeb Trojan.PWS.Stealer.31726
TrendMicro Trojan.Win32.SMOKELOADER.YXBLHZ
McAfee-GW-Edition Packed-GEE!830C02C39498
Emsisoft Trojan.Crypt (A)
SentinelOne Static AI – Malicious PE
GData Trojan.GenericKD.47590180
Jiangmin Backdoor.Mokes.evf
Webroot W32.Malware.Gen
Avira TR/AD.MalwareCrypter.udtye
Microsoft Ransom:Win32/StopCrypt.PAB!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.R456951
MAX malware (ai score=86)
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall Trojan.Win32.SMOKELOADER.YXBLHZ
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
Ikarus Trojan.Win32
eGambit Unsafe.AI_Score_99%
Fortinet Malicious_Behavior.SB
AVG Win32:CrypterX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (W)
MaxSecure Trojan.Malware.300983.susgen

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

Ransom:Win32/StopCrypt.PAB!MTB malware is extremely hard to eliminate manually. It places its data in a variety of places throughout the disk, and can restore itself from one of the elements. Moreover, a number of modifications in the registry, networking setups and also Group Policies are fairly hard to identify and return to the original. It is far better to use a specific app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for virus removal objectives.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated almost every hour. In addition, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for eliminating 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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