Categories: Ransom

Ransom:Win32/StopCrypt.PAI!MTB removal instruction

The Ransom:Win32/StopCrypt.PAI!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.PAI!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
  • Dynamic (imported) function loading detected
  • Enumerates the modules from a process (may be used to locate base addresses in process injection)
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Spanish (Colombia)
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the RedLine malware family

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


File Info:

name: FF310F5FEF78DFC71A08.mlwpath: /opt/CAPEv2/storage/binaries/bfd22901305c1bc449de085ea8a3b7b08644322ca3b9dcbf2e136e33ce174432crc32: 1BC61160md5: ff310f5fef78dfc71a08c5daa7b53239sha1: 105c6a71f3ccf1b4ee1da4c0be63bfc7129501efsha256: bfd22901305c1bc449de085ea8a3b7b08644322ca3b9dcbf2e136e33ce174432sha512: 1190a986a487a0d1dc9810577099bef116acb94ab89637c630edd2b092078a9f95ea6aee4d10397457d0d4d083095395f9b64fc43a5fb40a33e553b04d5aa568ssdeep: 12288:vnt8W/eCY5ci/lZciXMC9y53XQT+Ehlh9hYRZ:l8Wjmv/vcm85nE9hYtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17794BF00FBA0C036E5B751F845A693BCB92E3EB15B3095CB62D436EA56346E0DC31B5Bsha3_384: c7bccdd5ca7648423d2fe14b9c9da3fa251f8e06352ff84096654b77a9f43da10106f65a6e3e796fcd920694ccf1c93bep_bytes: 8bff558bece8f6a70000e8110000005dtimestamp: 2021-07-09 21:11:52

Version Info:

0: [No Data]

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

Bkav W32.NidijotalesG.Trojan
Lionic Trojan.Multi.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.38458188
FireEye Generic.mg.ff310f5fef78dfc7
CAT-QuickHeal Trojan.IGENERIC
McAfee Packed-GEE!FF310F5FEF78
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0058ca961 )
Alibaba Ransom:Win32/StopCrypt.b12a5820
K7GW Trojan ( 0058ca961 )
Cybereason malicious.1f3ccf
Cyren W32/Kryptik.GAJ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HNXG
APEX Malicious
ClamAV Win.Packed.Generic-9917434-0
Kaspersky HEUR:Trojan-Spy.Win32.Stealer.pef
BitDefender Trojan.GenericKD.38458188
Avast Win32:CrypterX-gen [Trj]
Tencent Win32.Trojan-spy.Stealer.Efan
Ad-Aware Trojan.GenericKD.38458188
Sophos Mal/Generic-R + Troj/Krypt-FV
Comodo Malware@#2rz4txv8lmxtx
DrWeb Trojan.PWS.Siggen3.10015
TrendMicro Ransom_StopCrypt.R002C0DA922
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
Emsisoft Trojan.Crypt (A)
Ikarus Trojan.Win32.Raccrypt
GData Win32.Trojan.PSE.1VRW6PE
Jiangmin Backdoor.Mokes.ezu
Webroot W32.Trojan.Azorult
Avira TR/Kryptik.pnhic
Antiy-AVL Trojan/Generic.ASMalwS.3503EC8
Kingsoft Win32.Troj.Undef.(kcloud)
Gridinsoft Ransom.Win32.AzorUlt.vb
Arcabit Trojan.Generic.D24AD34C
ViRobot Trojan.Win32.Z.Stopcrypt.418816
Microsoft Ransom:Win32/StopCrypt.PAI!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.MalPE.R462733
Acronis suspicious
VBA32 Trojan.Azorult
ALYac Trojan.GenericKD.38458188
MAX malware (ai score=89)
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall Ransom_StopCrypt.R002C0DA922
Rising Malware.Obscure!1.A3BB (CLOUD)
SentinelOne Static AI – Malicious PE
Fortinet W32/GenKryptik.FPMZ!tr
AVG Win32:CrypterX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Ransom:Win32/StopCrypt.PAI!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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