Categories: Ransom

Ransom:Win32/Crysis!MTB malicious file

The Ransom:Win32/Crysis!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/Crysis!MTB virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Starts servers listening on 0.0.0.0:0
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to delete volume shadow copies
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Creates a hidden or system file
  • Creates a copy of itself
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Ransom:Win32/Crysis!MTB?


File Info:

crc32: ED5E5FBDmd5: d20d699f85d5831fc822101a2c79dfedname: D20D699F85D5831FC822101A2C79DFED.mlwsha1: 0a9ea1887588eecd946b5ead360c7c4a796451absha256: 83a3c793692de455e411f738a1a58ec717ae045cc03da4d6b9ac0ee44a5c902asha512: ad8defaf8576cd5afc612f506f74a268e2c5a7a526dcb44ed5d907d40e3b981be0f6538add4c4e37556e9428a05384b7b2b300765a0aca0826ad5b7939c397abssdeep: 3072:bQ7vyr5kGcY0KZAUjqRE63eG53FaeIZEnjSitaLcRYphOEoxcqc:wvm57cYJAU+DDxGEjwLcRYphOnxcbtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright xa9 1999 - 2014 Info-ZIPInternalName: MindFileVersion: 5.6.7.801CompanyName: Info-ZIPPrivateBuild: 5.6.7.801LegalTrademarks: Copyright xa9 1999 - 2014 Info-ZIPComments: Dip 'out Apache Discounts ErpProductName: MindLanguages: EnglishProductVersion: 5.6.7.801FileDescription: Dip 'out Apache Discounts ErpOriginalFilename: Mind.exeTranslation: 0x0409 0x04b0

Ransom:Win32/Crysis!MTB also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0051a8021 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.3953
Cynet Malicious (score: 99)
ALYac Trojan.GenericKD.32687253
Cylance Unsafe
Zillya Trojan.Crusis.Win32.2035
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (W)
Alibaba Ransom:Win32/Crysis.acdf4832
K7GW Trojan ( 0051a8021 )
Cyren W32/Crusis.ECLE-5072
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.Crysis.P
Zoner Trojan.Win32.85678
APEX Malicious
Avast Other:Malware-gen [Trj]
Kaspersky Trojan-Ransom.Win32.Crusis.duq
BitDefender Trojan.GenericKD.32687253
NANO-Antivirus Trojan.Win32.Crusis.ghtzni
MicroWorld-eScan Trojan.GenericKD.32687253
Tencent Win32.Trojan.Crusis.Wncf
Ad-Aware Trojan.GenericKD.32687253
Sophos Mal/Generic-S + Mal/Generic-L
Comodo Malware@#1rp5yhl507gik
BitDefenderTheta Gen:NN.ZexaF.34688.nmKfaGWfiNni
VIPRE Win32.Malware!Drop
TrendMicro TROJ_GEN.USMGAHAL
McAfee-GW-Edition BehavesLike.Win32.Spyware.dc
FireEye Generic.mg.d20d699f85d5831f
Emsisoft Trojan.GenericKD.32687253 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Crusis.ahd
Webroot W32.Malware.Gen
Avira TR/AD.Crysis.fekpa
eGambit Unsafe.AI_Score_90%
Microsoft Ransom:Win32/Crysis!MTB
Arcabit Trojan.Generic.D1F2C495
AegisLab Trojan.Win32.Crusis.j!c
GData Win32.Trojan.Agent.19KMIV
AhnLab-V3 Malware/Win32.Generic.C3558749
McAfee RDN/Generic.dx
MAX malware (ai score=89)
VBA32 TrojanRansom.Crusis
Panda Trj/WLT.E
TrendMicro-HouseCall TROJ_GEN.USMGAHAL
Rising Ransom.Crusis!8.5724 (KTSE)
Yandex Trojan.Crusis!Mow8c2LnY8E
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/Filecoder_Crysis.P!tr
AVG Other:Malware-gen [Trj]
Paloalto generic.ml

How to remove Ransom:Win32/Crysis!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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