Ransom

About “Ransom:Win32/StopCrypt.MCK!MTB” infection

Malware Removal

The Ransom:Win32/StopCrypt.MCK!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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Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Ransom:Win32/StopCrypt.MCK!MTB virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • A process created a hidden window
  • Drops a binary and executes it
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Spanish (Nicaragua)
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Network activity contains more than one unique useragent.
  • Installs itself for autorun at Windows startup
  • Writes a potential ransom message to disk
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

Related domains:

api.2ip.ua
securebiz.org
tbpws.top
dimonbk83.tumblr.com

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


File Info:

crc32: FC2C0688
md5: b3ad9fabdff51407633e343daccefdcc
name: B3AD9FABDFF51407633E343DACCEFDCC.mlw
sha1: 92facc8e117f8aaf59471befbea151b132c2a942
sha256: ade30f792b463762fe44fb34def5ab38f4c06d3300d6ca9725fe609b31c3a4ad
sha512: f75940459c273533064851228bd0d93ca2a3a9ef329eb89c61217085c3d8149bd444cccfc5e3c5717f079150ed5cbc82fae266cdbbd02b0c7196d710a2dedce7
ssdeep: 12288:xfSvBwkoSxf4RRlUTrg2BECMlsTg+gqKMj3+wX/7RgTxloFtQh/MGO1YzZqED:xfSpBpxfKzUTrg2BECQspX/7aLI+Md1
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: sojbmoumunu.ahe
ProductVersion: 8.19.590.38
Copyright: Copyrighz (C) 2021, fudkagata
Translation: 0x0129 0x0167

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

BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005822a21 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacGen:Variant.Fragtor.18582
CylanceUnsafe
SangforSuspicious.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 005822a21 )
CyrenW32/Kryptik.EWJ.gen!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.HMKN
APEXMalicious
AvastWin32:Trojan-gen
ClamAVWin.Packed.Generic-9891933-0
KasperskyHEUR:Trojan-Ransom.Win32.Stop.gen
BitDefenderGen:Variant.Fragtor.18582
MicroWorld-eScanGen:Variant.Fragtor.18582
Ad-AwareGen:Variant.Fragtor.18582
SophosML/PE-A
BitDefenderThetaGen:NN.ZexaF.34142.Tq0@aeQEGAN
McAfee-GW-EditionBehavesLike.Win32.Generic.bc
FireEyeGeneric.mg.b3ad9fabdff51407
EmsisoftTrojan.Agent (A)
SentinelOneStatic AI – Malicious PE
JiangminBackdoor.Androm.bbnt
MicrosoftRansom:Win32/StopCrypt.MCK!MTB
GridinsoftTrojan.Win32.Packed.lu!heur
ArcabitTrojan.Fragtor.D4896
GDataGen:Variant.Fragtor.18582
AhnLab-V3CoinMiner/Win.Glupteba.R440970
McAfeeGenericRXPZ-FX!B3AD9FABDFF5
MAXmalware (ai score=87)
MalwarebytesTrojan.MalPack.GS
PandaTrj/GdSda.A
RisingTrojan.Kryptik!1.D977 (CLASSIC)
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.FKHU!tr
AVGWin32:Trojan-gen

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

Ransom:Win32/StopCrypt.MCK!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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