Ransom:Win32/StopCrypt.PAA!MTB

Spectating the Ransom:Win32/StopCrypt.PAA!MTB detection name means that your computer is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.

Ransom:Win32/StopCrypt.PAA!MTB detection is a malware detection you can spectate in your system. It often shows up after the provoking procedures on your computer – opening the suspicious email, clicking the advertisement in the Internet or mounting the program from unreliable sources. From the moment it shows up, you have a short time to take action before it starts its malicious action. And be sure – it is much better not to await these destructive actions.

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

Ransom:Win32/StopCrypt.PAA!MTB Summary

In summary, Ransom:Win32/StopCrypt.PAA!MTB virus 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;
  • Encrypting the documents located on the victim’s disk — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has actually been a horror story for the last 4 years. It is challenging to picture a more damaging malware for both individual users and organizations. The algorithms used in Ransom:Win32/StopCrypt.PAA!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 already exists, and possibly will exist. However, that malware does not do all these unpleasant things immediately – it may require up to several hours to cipher all of your files. Hence, seeing the Ransom:Win32/StopCrypt.PAA!MTB detection is a clear signal that you have to start the elimination procedure.

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

Ordinary ways of Ransom:Win32/StopCrypt.PAA!MTB spreading are typical for all other ransomware examples. Those are one-day landing websites where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait emails are a relatively new tactic in malware distribution – you get the email that imitates some routine notifications about shippings or bank service conditions updates. Inside of the email, there is a corrupted MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks quite uncomplicated, however, still requires tons of focus. Malware can hide in different spots, and it is far better to prevent it even before it gets into your PC than to trust in an anti-malware program. Common cybersecurity knowledge is just an important item in the modern world, even if your relationship with a computer remains on YouTube videos. That can save you a lot of time and money which you would spend while seeking a solution.

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

File Info:

name: B74A70631ABB151D15A6.mlwpath: /opt/CAPEv2/storage/binaries/5e8e284c8420ac79bc36f7e749fdbbf6e22a4dfbd1f2ae78412a70b0abdb4367crc32: 5EFB29A0md5: b74a70631abb151d15a69a7509f8fd6esha1: fa95f6b709d121f40607fe7f71736c6e8462d184sha256: 5e8e284c8420ac79bc36f7e749fdbbf6e22a4dfbd1f2ae78412a70b0abdb4367sha512: dd383e89909262e9040b0bee55dd710a9683bed784f1ca3456d95c2e9230a2e18a7a7733314b32e1a3df8f346ad1e1012d0ea1018d27c5226f44e7a41083985cssdeep: 6144:GnUA1nsXVqbgbLqkVUvZXg0FvxvVWKpv6qGEI:GHalqbgXqkVuZXg0hxvV3vFtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T148648D1067E0D435F1F712F85AB9A279A53F7AE16B2490CF52E427EA56346E0EC3031Bsha3_384: 79ad1f98a245939fac8012d99eb06f5cd13be049f1274fead252312e4f148ec878be2be58ca42d41e221c9a91c549eeeep_bytes: 8bff558bece856830000e8110000005dtimestamp: 2020-10-13 04:24:24

Version Info:

0: [No Data]

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

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Mokes.m!c
Elastic malicious (high confidence)
DrWeb Trojan.Siggen16.412
MicroWorld-eScan Trojan.GenericKD.38213122
McAfee Packed-GEE!B74A70631ABB
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Riskware ( 0040eff71 )
Alibaba Ransom:Win32/StopCrypt.24aeeb66
K7GW Riskware ( 0040eff71 )
Cyren W32/Kryptik.FSC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HNPQ
Paloalto generic.ml
Kaspersky HEUR:Backdoor.Win32.Mokes.gen
BitDefender Trojan.GenericKD.38213122
Avast Win32:PWSX-gen [Trj]
Ad-Aware Trojan.GenericKD.38213122
Emsisoft Trojan.Crypt (A)
Baidu Win32.Trojan.Kryptik.jm
McAfee-GW-Edition BehavesLike.Win32.Worm.fh
FireEye Generic.mg.b74a70631abb151d
Sophos ML/PE-A
Ikarus Trojan.Win32
Jiangmin Backdoor.Mokes.eve
Webroot W32.Malware.Gen
Avira TR/AD.MalwareCrypter.wgufd
MAX malware (ai score=89)
Kingsoft Win32.Hack.Undef.(kcloud)
Microsoft Ransom:Win32/StopCrypt.PAA!MTB
Arcabit Trojan.Generic.D2471602
GData Trojan.GenericKD.38213122
Cynet Malicious (score: 100)
Acronis suspicious
VBA32 Backdoor.Mokes
ALYac Trojan.GenericKD.38213122
Malwarebytes Trojan.MalPack.GS
APEX Malicious
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_98%
Fortinet W32/Kryptik.HMYL!tr
AVG Win32:PWSX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (W)
MaxSecure Trojan.Malware.300983.susgen

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

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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