Categories: Ransom

Ransom:Win32/StopCrypt.SAI!MTB removal

The Ransom:Win32/StopCrypt.SAI!MTB is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Ransom:Win32/StopCrypt.SAI!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Unconventionial binary language: Russian
  • Unconventionial language used in binary resources: Russian
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the RedLine malware family
  • Deletes executed files from disk
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Ransom:Win32/StopCrypt.SAI!MTB?


File Info:

name: 79460D6FEE4B747A503B.mlwpath: /opt/CAPEv2/storage/binaries/49328ee8fc8301b5f3ed0c1e5a4efe568ca1448afb8dce66076d1eeeb32eeb40crc32: 426E61DFmd5: 79460d6fee4b747a503b69af7a6e85b3sha1: 4352c9bed1ce534fae4a0948e8b11bdb9dbfab19sha256: 49328ee8fc8301b5f3ed0c1e5a4efe568ca1448afb8dce66076d1eeeb32eeb40sha512: f60274be30c65d4fc8fa35d3f27af402d462be0acb9b40aebb3bf3a2de925f269dc424c1d66fac450529451621854d0226eaaa4900be7e91288d0673a2dd06b8ssdeep: 6144:Kqy+bnr+hp0yN90QEIZP+Z54+YtoTbUZkM7xZd6U8kCSyiMQpa6OKgZ:KMr9y90zvZY0YrdL0SVUvKatype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14984F107E6EC8136E9B457700DF602D31536BEB06B38839A274F695E0CB2664B63573Bsha3_384: c8a593229f4d62c02bfa10b4d73d450ae74f7bb1a0ea837755686d1334bdb17a0fe2857990c822faf3e9fe4c0114e572ep_bytes: e8f0060000e9000000006a5868b87240timestamp: 2022-05-24 22:49:06

Version Info:

CompanyName: Microsoft CorporationFileDescription: Самоизвлечение CAB-файлов Win32 FileVersion: 11.00.17763.1 (WinBuild.160101.0800)InternalName: Wextract LegalCopyright: © Корпорация Майкрософт. Все права защищены.OriginalFilename: WEXTRACT.EXE .MUIProductName: Internet ExplorerProductVersion: 11.00.17763.1Translation: 0x0419 0x04b0

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

Lionic Trojan.Win32.Agent.Y!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.65331035
ClamAV Win.Packed.Disabler-9987080-0
McAfee Artemis!79460D6FEE4B
Malwarebytes Generic.Trojan.Injector.DDS
Sangfor Trojan.Win32.Agent.Vr3e
K7AntiVirus Trojan ( 0059e3df1 )
Alibaba TrojanSpy:Win32/Stealer.21d08552
K7GW Trojan ( 0059e3df1 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/KillAV.KMEF-6536
Symantec ML.Attribute.HighConfidence
ESET-NOD32 multiple detections
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 99)
Kaspersky UDS:Trojan.MSIL.Agent.gen
NANO-Antivirus Trojan.Win32.Stealer.juyroz
SUPERAntiSpyware Trojan.Agent/Gen-Crypt
Avast Win32:TrojanX-gen [Trj]
Tencent Trojan.MSIL.Agent.hg
F-Secure Trojan.TR/ATRAPS.Gen
DrWeb Trojan.Siggen19.32857
VIPRE Trojan.GenericKD.65331035
TrendMicro TrojanSpy.Win32.REDLINE.YXDCCZ
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.79460d6fee4b747a
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious SFX
Avira TR/ATRAPS.Gen
Antiy-AVL Trojan/Win32.CryptInject
Microsoft Ransom:Win32/StopCrypt.SAI!MTB
ZoneAlarm HEUR:Trojan.MSIL.Agent.gen
GData Win32.Trojan-Stealer.Cordimik.8DOCRI
Google Detected
ALYac Trojan.GenericKD.65733898
Cylance unsafe
TrendMicro-HouseCall TrojanSpy.Win32.REDLINE.YXDCCZ
Rising Trojan.Kryptik!1.E349 (CLASSIC:bWQ1Og1hFSx6Nlh97w)
Yandex Trojan.Disabler!G6z7qDxyklM
Ikarus Trojan.MSIL.Disabler
Fortinet MSIL/Disabler.DR!tr
AVG Win32:TrojanX-gen [Trj]
Cybereason malicious.fee4b7
Panda Trj/Chgt.AD

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

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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