Categories: Ransom

About “Ransom:Win32/Crysis.DA!MTB” infection

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

  • Executable code extraction
  • Creates RWX memory
  • 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.
  • Attempts to delete volume shadow copies
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Creates a copy of itself
  • Uses suspicious command line tools or Windows utilities

How to determine Ransom:Win32/Crysis.DA!MTB?


File Info:

crc32: 1291C8C0md5: fb702537f0c25b34cc2b3dfb69025a85name: FB702537F0C25B34CC2B3DFB69025A85.mlwsha1: eb8cae72ffd5361a977e186cb78fc64055748f00sha256: 1945c44901e7aa9dd5b6e7e6e07a777d57f7e76120a3ca5a46a0f983d30ce37esha512: 94d2a4d9a5c689c13934bd9d2f236a421a63e90fcf6d3dd7362cbe7c64e1faacb68412b92ce743ee49e4e8adf4f91a495ccd8d0d3605e464bfccb26f31d1b843ssdeep: 12288:Z2X8+SnYa6TF42coyaLlGSDVmcUjErioq8iHiB6k:cM+SnAF4Uyycj24Hs6ktype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Assembly Version: 5.3.5.5LegalCopyright: xa9. All rights reserved. ProXoft L.L.C.InternalName: UnlockFileVersion: 5.3.5.5CompanyName: ProXoft L.L.C.PrivateBuild: 5.3.5.5LegalTrademarks: xa9. All rights reserved. ProXoft L.L.C.Comments: Clred Overridable Polls Closebutton Film ServesProductName: UnlockLanguages: EnglishProductVersion: 5.3.5.5FileDescription: Clred Overridable Polls Closebutton Film ServesOriginalFilename: Unlock.exeTranslation: 0x0409 0x04b0

Ransom:Win32/Crysis.DA!MTB also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0056f45d1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Crysis
Cylance Unsafe
Zillya Trojan.Foreign.Win32.58260
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:Win32/Foreign.76063870
K7GW Trojan ( 0056f45d1 )
Cybereason malicious.7f0c25
ESET-NOD32 a variant of Win32/Kryptik.FRCF
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Foreign.odyu
BitDefender Trojan.GenericKD.40736249
NANO-Antivirus Trojan.Win32.Kryptik.fkfdux
ViRobot Trojan.Win32.S.Agent.655360.SX
MicroWorld-eScan Trojan.GenericKD.40736249
Tencent Win32.Trojan.Foreign.Efam
Ad-Aware Trojan.GenericKD.40736249
Sophos Mal/Generic-R + Troj/Ransom-FCL
Comodo Malware@#1drshe8j9qp6b
F-Secure Heuristic.HEUR/AGEN.1129572
BitDefenderTheta Gen:NN.ZexaF.34608.Oq0@aSwTIDpi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Possible_HPGen-38
McAfee-GW-Edition BehavesLike.Win32.Ursnif.jc
FireEye Generic.mg.fb702537f0c25b34
Emsisoft Trojan.GenericKD.40736249 (B)
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1129572
Microsoft Ransom:Win32/Crysis.DA!MTB
Arcabit Trojan.Generic.D26D95F9
AegisLab Trojan.Win32.Foreign.4!c
ZoneAlarm Trojan-Ransom.Win32.Foreign.odyu
GData Trojan.GenericKD.40736249
AhnLab-V3 Malware/Win32.Possible_hpgen.C2869668
McAfee Artemis!FB702537F0C2
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.Foreign
Panda Trj/CI.A
TrendMicro-HouseCall Possible_HPGen-38
Rising Ransom.Foreign!8.292 (CLOUD)
Yandex Trojan.Foreign!XqYx+ZW3wak
Ikarus Trojan-Ransom.Crysis
Fortinet W32/Kryptik.GMMY!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Foreign.HwkADHoA

How to remove Ransom:Win32/Crysis.DA!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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