Ransom:Win32/StopCrypt.SAJ!MTB

Spectating the Ransom:Win32/StopCrypt.SAJ!MTB detection name usually means that your PC is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and asks you to pay for their decryption. Deleteing it requires some unusual steps that must be done as soon as possible.

Ransom:Win32/StopCrypt.SAJ!MTB detection is a malware detection you can spectate in your system. It frequently shows up after the preliminary activities on your PC – opening the dubious e-mail, clicking the advertisement in the Internet or setting up the program from suspicious resources. From the moment it appears, you have a short time to do something about it until it starts its destructive action. And be sure – it is far better not to wait for these malicious things.

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

Ransom:Win32/StopCrypt.SAJ!MTB is ransomware-type malware. It looks for the documents on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus additionally does a lot of damage to your system. It changes the networking setups in order to prevent you from looking for the removal manuals or downloading the antivirus. In some cases, Ransom:Win32/StopCrypt.SAJ!MTB can also block the setup of anti-malware programs.

Ransom:Win32/StopCrypt.SAJ!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.SAJ!MTB ransomware activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Saami;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Encrypting the documents kept on the victim’s disk drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a horror story for the last 4 years. It is hard to realize a more hazardous virus for both individual users and businesses. The algorithms utilized in Ransom:Win32/StopCrypt.SAJ!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. However, that virus does not do all these bad things without delay – it may take up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.SAJ!MTB detection is a clear signal that you should begin the removal procedure.

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

General ways of Ransom:Win32/StopCrypt.SAJ!MTB spreading are typical for all other ransomware variants. Those are one-day landing sites where victims are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a quite new tactic in malware spreading – you get the e-mail that mimics some routine notifications about deliveries or bank service conditions shifts. Within 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.

Preventing it looks fairly uncomplicated, but still requires tons of focus. Malware can hide in various places, and it is better to prevent it even before it goes into your system than to trust in an anti-malware program. Standard cybersecurity knowledge is just an essential item in the modern-day world, even if your interaction with a computer remains on YouTube videos. That can save you a great deal of time and money which you would spend while looking for a solution.

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

File Info:

name: 4841ED91528F3DA24D29.mlwpath: /opt/CAPEv2/storage/binaries/ece00f36b59c45049bd610f19c7e89e3ebac7858e749983ce841f5dd8f5abd96crc32: C1931D53md5: 4841ed91528f3da24d29409603edb357sha1: b7eea4a500158697c7f403dc80d46aa8cdfa56d5sha256: ece00f36b59c45049bd610f19c7e89e3ebac7858e749983ce841f5dd8f5abd96sha512: 50d081765df631aeeb1a5b725c15c2c4cf18a45a349b98a07f2da9750d966b0d82bea2be5a05f79b627d5cec8be7bc1fc36e30dc5905063bf9c52fbd9a280858ssdeep: 3072:Kjf+C31gE87VbIHhG8mrcw3mv7vcCd1wi/I3jafAvJ3:QWCKE879IHbv7vcCd1wF3OStype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16F148E2372E0A860E5725E31DD29D6E46EAEFD534E386A9B2334EB1F0D701E1C532752sha3_384: 6b33039a2e263b5c6bc452ae930ec7e3c328b73970a2a20b0f3048db64dfb0dedfce9237cbfe2d4a118af12f875b56e1ep_bytes: e8b4530000e989feffff8bff558bec83timestamp: 2021-12-08 07:32:22

Version Info:

CompanyName: PakistanFoodFileDescription: MorriconeFileVersion: 25.77.48.49InternalName: GorgerousOnce.exeLegalTrademarks1: consultatedProductName: HypsterWorldTranslation: 0x4047 0x0565

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

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.4841ed91528f3da2
ALYac Gen:Variant.Zusy.451934
Cylance unsafe
VIPRE Gen:Variant.Zusy.451934
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0059f7cb1 )
Alibaba Backdoor:MSIL/Convagent.c166571c
K7GW Trojan ( 0059f7cb1 )
Cybereason malicious.500158
Cyren W32/Agent.FRF.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HSXO
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Backdoor.MSIL.Convagent.gen
BitDefender Gen:Variant.Zusy.451934
NANO-Antivirus Trojan.Win32.Convagent.jvayom
MicroWorld-eScan Gen:Variant.Zusy.451934
Avast Win32:DropperX-gen [Drp]
Tencent Trojan.Win32.Obfuscated.gen
Emsisoft Gen:Variant.Zusy.451934 (B)
F-Secure Heuristic.HEUR/AGEN.1310247
DrWeb Trojan.DownLoader45.46826
Zillya Backdoor.Convagent.Win32.2180
TrendMicro Ransom_StopCrypt.R03BC0DC523
McAfee-GW-Edition BehavesLike.Win32.Lockbit.ch
Trapmine malicious.high.ml.score
Sophos Troj/Krypt-VE
Ikarus Trojan.Win32.Crypt
GData Gen:Variant.Zusy.451934
Avira HEUR/AGEN.1310247
Antiy-AVL Trojan/Win32.Sabsik
Arcabit Trojan.Zusy.D6E55E
ZoneAlarm HEUR:Backdoor.MSIL.Convagent.gen
Microsoft Ransom:Win32/StopCrypt.SAJ!MTB
Google Detected
AhnLab-V3 Trojan/Win.Generic.R560826
McAfee Artemis!4841ED91528F
MAX malware (ai score=83)
VBA32 BScope.Trojan.CoinMiner
Malwarebytes Trojan.MalPack.GS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_StopCrypt.R03BC0DC523
Rising Stealer.Agent!8.C2 (TFE:5:6eHKPETpV5B)
Yandex Trojan.Kryptik!PJyQayVRziU
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.HSXO!tr
AVG Win32:DropperX-gen [Drp]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom:Win32/StopCrypt.SAJ!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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