Categories: Ransom

Ransom.Spora.21 (file analysis)

The Ransom.Spora.21 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.Spora.21 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Ransom.Spora.21?


File Info:

crc32: 6E9DB646md5: b7b03bb18c4cdbdf6a67daad78604db0name: B7B03BB18C4CDBDF6A67DAAD78604DB0.mlwsha1: 0ea969d664d5750e0b27120718f49aef213c14f0sha256: 62543b309ad2c3a0ab6ce236cf06bf3ac16c947b7e7b7bb432dc7e95d3114507sha512: c33bb3da963af25e2dfd573056cbeccd9108c8e7114a406af24036f7b1b9f7a9cdb48ec62385d027ea7c1c5e325bc4fce6161ca935d3cf1f637f8bdb4c5b4628ssdeep: 1536:D8+IbD1e28W887W3+iy+keN3fvm+A+zZA49YhjhGiUhe7CUkcIdOqrlA57:AjN58M0fyXUvv0S617kczalA57type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: (C) 2007InternalName: CYKDetectingFileVersion: 1, 0, 0, 1CompanyName: PrivateBuild: LegalTrademarks: Comments: ProductName: CYKDetectingSpecialBuild: ProductVersion: 1, 0, 0, 1FileDescription: CYKDetecting OriginalFilename: CYKDetecting.EXETranslation: 0x080c 0x04e4

Ransom.Spora.21 also known as:

Bkav W32.AIDetect.malware1
DrWeb BackDoor.Siggen.60255
MicroWorld-eScan Gen:Variant.Ransom.Spora.21
FireEye Generic.mg.b7b03bb18c4cdbdf
ALYac Gen:Variant.Ransom.Spora.21
Cylance Unsafe
VIPRE Trojan.Win32.Injector.cdgy (v)
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Gen:Variant.Ransom.Spora.21
K7GW Trojan ( 00503cd01 )
K7AntiVirus Trojan ( 00503cd01 )
BitDefenderTheta Gen:NN.ZexaF.34590.gq0@aOhMGowb
Symantec ML.Attribute.HighConfidence
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Buzus.ykow
Alibaba Trojan:Win32/Buzus.12b0ecbf
NANO-Antivirus Trojan.Win32.DKJV.eljivi
Rising Malware.Obscure/Heur!1.A89E (CLOUD)
Ad-Aware Gen:Variant.Ransom.Spora.21
Emsisoft Gen:Variant.Ransom.Spora.21 (B)
Comodo Malware@#29fzmibi4wjfj
F-Secure Heuristic.HEUR/AGEN.1128861
Zillya Trojan.Shade.Win32.380
McAfee-GW-Edition Trojan-FLTG!B7B03BB18C4C
Sophos ML/PE-A + Mal/Zbot-US
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.MSIL.qlb
Avira HEUR/AGEN.1128861
Antiy-AVL Trojan/Win32.BTSGeneric
Microsoft DDoS:Win32/Nitol.B
Arcabit Trojan.Ransom.Spora.21
SUPERAntiSpyware Ransom.Locky/Variant
ZoneAlarm Trojan.Win32.Buzus.ykow
GData Gen:Variant.Ransom.Spora.21
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Shade.C1765039
Acronis suspicious
McAfee Trojan-FLTG!B7B03BB18C4C
MAX malware (ai score=100)
VBA32 BScope.Trojan.Ekstak
Malwarebytes Malware.AI.1193970960
Panda Trj/Genetic.gen
APEX Malicious
ESET-NOD32 a variant of Win32/Injector.DKXA
Tencent Malware.Win32.Gencirc.10ba9365
Yandex Trojan.Agent!gvRAXA9TNjY
Ikarus Trojan.Crypt
eGambit Unsafe.AI_Score_99%
Fortinet W32/Generic.US!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Buzus.HwcBLYMA

How to remove Ransom.Spora.21?

  • 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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