Categories: Ransom

Ransom:Win32/StopCrypt.SE!MTB (file analysis)

The Ransom:Win32/StopCrypt.SE!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.SE!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Presents an Authenticode digital signature
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Korean
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the RedLine malware family
  • Anomalous binary characteristics

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


File Info:

name: F3DAC2D544CB26C22EAC.mlwpath: /opt/CAPEv2/storage/binaries/b8c5db964cc6362e2c0d77c6debd0ee07c887b7bae77a56a9b160b7f25914920crc32: 6EDB1A8Amd5: f3dac2d544cb26c22eacc771c755e746sha1: 349d5bb42930f80df93a8a9104ba56718493b629sha256: b8c5db964cc6362e2c0d77c6debd0ee07c887b7bae77a56a9b160b7f25914920sha512: 3768ecedf6445d9ef14645fa201e4cba0ef72db1685da9ae6b010128be9f1abbdb3fbbccc38a7b85bff4d9ec0f90aa5430b32c0bac18942180e5458ec27d31e6ssdeep: 6144:PU6CUXDHxlOjm30tcLOHpkBvm/6g/vHz338nZ0n7FYF46xMjBg5+U0gFe6yYN:PUsXVsjmdgnz3MnZEmVyjI+9BYtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19E84C010BB90C035E5F356F449B9C368B93EBAA1AB3495CB62D516E947347E0EC3134Bsha3_384: 3fa57b52e4696780401b38e784fe5ea300c688010fd1c30e2817ab20623db061514ec80eff8b3e5132aa8c0f2d312621ep_bytes: 8bff558bece8965b0000e8110000005dtimestamp: 2021-07-15 06:31:08

Version Info:

Translations: 0x0136 0x00aa

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

Bkav W32.AIDetect.malware2
tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.Jaik.94644
FireEye Generic.mg.f3dac2d544cb26c2
ALYac Gen:Variant.Jaik.94644
Cylance Unsafe
VIPRE Gen:Variant.Jaik.94644
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Cyren W32/Kryptik.HMS.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Kryptik.HQSE
APEX Malicious
ClamAV Win.Malware.Dropperx-9967838-0
Kaspersky HEUR:Trojan.Win32.Bsymem.gen
BitDefender Gen:Variant.Jaik.94644
Avast Win32:DropperX-gen [Drp]
Ad-Aware Gen:Variant.Jaik.94644
Emsisoft Gen:Variant.Jaik.94644 (B)
Comodo Malware@#3vrv33e3ot1p4
DrWeb Trojan.Siggen18.44362
TrendMicro Ransom.Win32.STOP.SMYXBFX.hp
McAfee-GW-Edition Packed-GEE!F3DAC2D544CB
Trapmine malicious.high.ml.score
Sophos ML/PE-A
SentinelOne Static AI – Malicious PE
GData Win32.Trojan.PSE.QN6XPU
Google Detected
MAX malware (ai score=80)
Arcabit Trojan.Jaik.D171B4
Microsoft Ransom:Win32/StopCrypt.SE!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Packed/Win.GEE.R514375
McAfee Packed-GEE!F3DAC2D544CB
VBA32 BScope.TrojanDownloader.Smoke
Malwarebytes Trojan.MalPack.GS
Rising Trojan.Generic@AI.100 (RDML:k/2BeDkz+8Q3EwuiMPuTSw)
Ikarus Trojan.Win32.SmokeLoader
Fortinet W32/GenKryptik.FZVD!tr
AVG Win32:DropperX-gen [Drp]
Cybereason malicious.42930f

How to remove Ransom:Win32/StopCrypt.SE!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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