Categories: Ransom

Ransom:MSIL/FileCrypter.MK!MTB malicious file

The Ransom:MSIL/FileCrypter.MK!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:MSIL/FileCrypter.MK!MTB virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • Performs some HTTP requests
  • Attempts to create or modify system certificates

Related domains:

z.whorecord.xyz
a.tomx.xyz
api.myip.com

How to determine Ransom:MSIL/FileCrypter.MK!MTB?


File Info:

crc32: 9442D9EEmd5: 858caf1d6b98ec7e67913c17435acc20name: 858CAF1D6B98EC7E67913C17435ACC20.mlwsha1: c226d5e617905102f22f36f33708fc45e67cedd8sha256: 6de1ea6377afcce0eb6d73582fb85e12ee13746a52092f909692d6d241122c5dsha512: e847c636c14c5f23132c4f58f9df4ec75e8883914e9c782b405fc8b4eaa1b8d505784650234cca77aa26d2a20a7205a21706db5b0f2898cea5bbfd1b7d82f126ssdeep: 1536:kFS9QrSmsNf2PXa8D6nOdcvT/h7zQk9HBLfjRrV9X:kg9QsNfu6nyWFphrxXtype: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 0.0.0.0InternalName: ancrypted1@gmail.com.exeFileVersion: 0.0.0.0ProductVersion: 0.0.0.0FileDescription: OriginalFilename: ancrypted1@gmail.com.exe

Ransom:MSIL/FileCrypter.MK!MTB also known as:

Elastic malicious (high confidence)
FireEye Generic.mg.858caf1d6b98ec7e
McAfee RDN/Ransom
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0057564f1 )
K7GW Trojan ( 0057564f1 )
Cybereason malicious.617905
BitDefenderTheta Gen:NN.ZemsilF.34590.dm0@aWoKs2f
Cyren W32/MSIL_Kryptik.DGZ.gen!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
Sophos ML/PE-A + Mal/Genasom-A
Comodo TrojWare.MSIL.Agent.GH@60rvah
F-Secure Trojan.TR/Ransom.dcuyp
TrendMicro Ransom.MSIL.AMJIXIUS.SMRTI
McAfee-GW-Edition RDN/Ransom
Ikarus Trojan-Ransom.FileCrypter
Avira TR/Ransom.dcuyp
Microsoft Ransom:MSIL/FileCrypter.MK!MTB
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan.Agent.802D6K
Cynet Malicious (score: 85)
Malwarebytes Malware.AI.90068819
ESET-NOD32 a variant of MSIL/Filecoder.AEQ
TrendMicro-HouseCall Ransom.MSIL.AMJIXIUS.SMRTI
Tencent Win32.Trojan.Generic.Eank
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.7164915.susgen
Fortinet MSIL/Filecoder.AEQ!tr
AVG Win32:MalwareX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Ransom.Generic.HwMAimEA

How to remove Ransom:MSIL/FileCrypter.MK!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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