Ransom

Ransom:Win32/StopCrypt.PAH!MTB removal

Malware Removal

The Ransom:Win32/StopCrypt.PAH!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.PAH!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: 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
  • 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.PAH!MTB?


File Info:

name: 8F339C98BCC14680C0CE.mlw
path: /opt/CAPEv2/storage/binaries/1574b1e507f25d7dcd3d53dffe3765a651145e4adf0e067f2fd6624337e76df5
crc32: 528A7FD0
md5: 8f339c98bcc14680c0ced5a6eb362ee1
sha1: 56053c554aaee201659963b6291498b09b561b47
sha256: 1574b1e507f25d7dcd3d53dffe3765a651145e4adf0e067f2fd6624337e76df5
sha512: f0f375ace22b2d7a3c1a8a4ca041eac907d2ad67eed60ba35357073731f13908ee4f39a620ebd6d13869d84fa2f04fc91576596d724c8bc4698e9c1def31ba1e
ssdeep: 6144:/YQwIKwowWN79O109agyJqoJbUCI2C9MrVcKM7uYQy:/oIHo9f94o0bhI2/rVI7t
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E0649E10BBA0C035F5B722F446B5936CB93E3EA1973494CB62D52AEE56346E1EC31317
sha3_384: f827452e64efa3e38480e4131fa0adfbe46437043d2b4b7fc6484a054913af91842aa6f35479dd73e77c623877d7181b
ep_bytes: 8bff558bece826cf0000e8110000005d
timestamp: 2020-09-20 18:22:59

Version Info:

0: [No Data]

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

LionicTrojan.Win32.Mokes.m!c
Elasticmalicious (high confidence)
DrWebTrojan.Siggen16.32493
MicroWorld-eScanTrojan.GenericKD.47893742
FireEyeGeneric.mg.8f339c98bcc14680
CAT-QuickHealTrojan.GenericPMF.S26188939
ALYacTrojan.GenericKD.47893742
MalwarebytesTrojan.MalPack.GS
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaBackdoor:Win32/Mokes.c9e7d850
K7GWTrojan ( 0058d0241 )
K7AntiVirusTrojan ( 0058d0241 )
ArcabitTrojan.Generic.D2DACCEE
CyrenW32/Kryptik.GAL.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HNZU
TrendMicro-HouseCallTROJ_GEN.R011C0PAH22
Paloaltogeneric.ml
ClamAVWin.Packed.Tofsee-9935687-0
KasperskyHEUR:Trojan-Spy.Win32.Stealer.pef
BitDefenderTrojan.GenericKD.47893742
AvastWin32:CrypterX-gen [Trj]
TencentWin32.Trojan-spy.Stealer.Eckh
Ad-AwareTrojan.GenericKD.47893742
EmsisoftTrojan.Crypt (A)
ComodoMalware@#1zzvh1mlfa35u
ZillyaTrojan.Kryptik.Win32.3671471
TrendMicroTROJ_GEN.R011C0PAH22
McAfee-GW-EditionBehavesLike.Win32.MultiPlug.fh
SophosMal/Generic-S + Troj/Krypt-FV
IkarusTrojan.Win32.Krypt
JiangminTrojan.Zenpak.jlz
Antiy-AVLTrojan/Generic.ASMalwS.350C331
KingsoftWin32.Troj.Generic_a.a.(kcloud)
GridinsoftRansom.Win32.Sabsik.sa
MicrosoftRansom:Win32/StopCrypt.PAH!MTB
ZoneAlarmHEUR:Trojan-Spy.Win32.Stealer.pef
GDataWin32.Trojan.BSE.11WL534
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.MalPE.R464959
Acronissuspicious
McAfeePacked-GEE!8F339C98BCC1
MAXmalware (ai score=86)
VBA32Backdoor.Mokes
APEXMalicious
RisingTrojan.Kryptik!8.8 (TFE:dGZlOgUmPm4b0YeDZA)
YandexTrojan.Kryptik!izlRgRTRj7w
SentinelOneStatic AI – Malicious PE
FortinetW32/Kryptik.HNZY!tr
AVGWin32:CrypterX-gen [Trj]
Cybereasonmalicious.54aaee
PandaTrj/GdSda.A

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

Ransom:Win32/StopCrypt.PAH!MTB removal tool
  • 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.

About the author

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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