Categories: Ransom

Should I remove “Ransom:Win32/StopCrypt.PBZ!MTB”?

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

  • 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: Korean
  • The binary contains an unknown PE section name indicative of packing
  • 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

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


File Info:

name: DF50FAE83DFBC2BEC1B9.mlwpath: /opt/CAPEv2/storage/binaries/8f21285490dca8ea9337c2c178d7369116b22cd83305679f75f072d62997f405crc32: 381E4BD5md5: df50fae83dfbc2bec1b967782d45647dsha1: 7cbe4b1fab24a47185ee40ead6f06e38a4440fa9sha256: 8f21285490dca8ea9337c2c178d7369116b22cd83305679f75f072d62997f405sha512: a95298d8e6803b9d9959f138bfc6023beb0502531209af209eb494a53fc69f710cd8aa6f9ab77a4e60a7555b85278f239a84d9ee64ff8d8b40a85a40d4590334ssdeep: 6144:6L8F4EqkJRVDiJRBGBJfyMljzCP4HznB4WtPnc4:ONEq0DOJREJfy4CPCt0type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T125548E007A90E03CE5B766F89D79B26DBD2D7EA1AB2550CF52D536EA26345E0EC30307sha3_384: 72405e500c4dd29ef9bce2e9173dfa72cbbdd9745b47387ecf2c49e66b669e8d469e2142ab7d08ccc58706878d6d628eep_bytes: 8bff558bece826b20000e8110000005dtimestamp: 2021-06-11 03:03:03

Version Info:

Translations: 0x0193 0x0059

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

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
FireEye Generic.mg.df50fae83dfbc2be
Cylance Unsafe
Cybereason malicious.fab24a
Cyren W32/Kryptik.GZE.gen!Eldorado
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
Paloalto generic.ml
ClamAV Win.Packed.Crypterx-9954995-0
Kaspersky UDS:DangerousObject.Multi.Generic
Avast FileRepMalware [Drp]
Rising Trojan.Generic@AI.95 (RDML:+lMR+TxvvUPT48SfQY1skw)
McAfee-GW-Edition BehavesLike.Win32.Generic.dh
SentinelOne Static AI – Malicious PE
Trapmine malicious.high.ml.score
Sophos ML/PE-A + Troj/Krypt-FV
Ikarus Trojan-Ransom.StopCrypt
GData Win32.Trojan.PSE1.1RBY176
Microsoft Ransom:Win32/StopCrypt.PBZ!MTB
Cynet Malicious (score: 100)
Acronis suspicious
McAfee Packed-GEE!DF50FAE83DFB
VBA32 Malware-Cryptor.2LA.gen
Malwarebytes Trojan.MalPack.GS
APEX Malicious
MaxSecure Trojan.Malware.300983.susgen
AVG FileRepMalware [Drp]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom:Win32/StopCrypt.PBZ!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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