Categories: Ransom

How to remove “Ransom:Win32/StopCrypt.PAG!MTB”?

The Ransom:Win32/StopCrypt.PAG!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.PAG!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: Divehi
  • 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.PAG!MTB?


File Info:

name: 6CF7E5455FBC731BED78.mlwpath: /opt/CAPEv2/storage/binaries/05e4ee93adfe3d4e85044056e9c9d0165272646897258550e415b879e24bf3f8crc32: 5E0899E2md5: 6cf7e5455fbc731bed78a51801a6ac5asha1: 1662d13db530d8240b0df5137cdea7c636ee1208sha256: 05e4ee93adfe3d4e85044056e9c9d0165272646897258550e415b879e24bf3f8sha512: ca370dd3f3c23790911a7c66dbdb81fd074923ed096dd7bc580d843624aa5b3ff4ec192e7a12f286887276671ee899c720f3600dbb52217cf1f511199fc8df0bssdeep: 3072:ejrty/MZbTKqZyxG6/eQZ5DDdkgKE5hp8brkG9IhfvjN28oOqX+Wd9eUhZ++rcEH:OkqZoD5vBR80XxgXHJhrc2JLQa6etype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C1748D10B7A0C434F5B723F849B9A2A9B93E7DA16B3491CF53C426EA56346E0EC31357sha3_384: c907e4e073a980f015caa4079683e308a809d55c3ad172dde756e3c0b26777dfd1979d39dc193c1c9da847f401ff84d9ep_bytes: 8bff558bece8a6920000e8110000005dtimestamp: 2020-10-07 03:27:43

Version Info:

0: [No Data]

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

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Convagent.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Raccrypt
ALYac Trojan.GenericKD.47784744
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0058a5a11 )
Alibaba Ransom:Win32/StopCrypt.3838adb0
K7GW Trojan ( 0058a5a11 )
CrowdStrike win/malicious_confidence_80% (W)
Cyren W32/Kryptik.FSC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HNVS
Baidu Win32.Trojan.Kryptik.jm
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
ClamAV Win.Malware.Generic-9927399-0
Kaspersky HEUR:Trojan.Win32.Chapak.pef
BitDefender Trojan.GenericKD.47784744
MicroWorld-eScan Trojan.GenericKD.47784744
Tencent Backdoor.Win32.Tofsee.16000134
Ad-Aware Trojan.GenericKD.47784744
Sophos Mal/Generic-S + Troj/Krypt-FV
F-Secure Heuristic.HEUR/AGEN.1210730
DrWeb Trojan.DownLoader44.26551
TrendMicro Trojan.Win32.SMOKELOADER.YXBL5Z
McAfee-GW-Edition BehavesLike.Win32.MultiPlug.fm
FireEye Generic.mg.6cf7e5455fbc731b
Emsisoft Trojan.GenericKD.47784744 (B)
Ikarus Trojan.Win32.Raccrypt
GData Win32.Trojan.BSE.ZUWFTJ
Jiangmin TrojanSpy.Stealer.mgj
Avira HEUR/AGEN.1210730
Gridinsoft Trojan.Heur!.02814021
Arcabit Trojan.Generic.D2D92328
Microsoft Ransom:Win32/StopCrypt.PAG!MTB
AhnLab-V3 Infostealer/Win.SmokeLoader.R461694
Acronis suspicious
McAfee Packed-GEE!6CF7E5455FBC
MAX malware (ai score=84)
VBA32 Trojan.Convagent
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall Trojan.Win32.SMOKELOADER.YXBL5Z
Rising Malware.Obscure!1.A3BB (CLOUD)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_94%
Fortinet W32/Kryptik.HNWJ!tr
AVG Win32:CrypterX-gen [Trj]
Cybereason malicious.db530d
Paloalto generic.ml
MaxSecure Trojan.Malware.300983.susgen

How to remove Ransom:Win32/StopCrypt.PAG!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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