Categories: Malware

Win32/Filecoder.HydraCrypt.C (file analysis)

The Win32/Filecoder.HydraCrypt.C 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 Win32/Filecoder.HydraCrypt.C virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (4 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Attempts to remove evidence of file being downloaded from the Internet
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Writes a potential ransom message to disk
  • Creates a copy of itself
  • Appends a known CryptFile2 ransomware file extension to files that have been encrypted
  • Creates a known CryptFile2 ransomware decryption instruction / key file.
  • Anomalous binary characteristics

Related domains:

mm.shinkendo.fr
ocsp.usertrust.com
crl.usertrust.com
crt.usertrust.com
crl.comodoca.com
ocsp.comodoca.com

How to determine Win32/Filecoder.HydraCrypt.C?


File Info:

crc32: 0815ECAFmd5: cd64c71f886efc3815f4353fc3c86f2cname: CD64C71F886EFC3815F4353FC3C86F2C.mlwsha1: c0ce9fa1c35ed89da8b08eb1c86fd8bcac7a3d62sha256: 95de6cbab992eeced58023b94cc929863b9609eafeb2de23ae53b091c62f98cesha512: 5314e3e8ced012fb5f7ecb73cb0aa7e4a0556ca7c15fe7a6b0f490f54441804906c08368dc27de910977f856671ce12bc4b3f76919dba9df9b1c78925d2d39a4ssdeep: 3072:5c57WHQggD6do4+q+J3ym1aVQCNzEjVYsCNMPYNBOaYam8OqLbWrPKnRjGrJpTr:GagewimcQSEZ1YvOJB1KnRarfrqxaeCtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 1,2,9,4FileDescription: OreasSoftsFileVersion: 1,2,9,4CompanyName: SynaicosSoft, Corporation.Translation: 0x040e 0x04e5

Win32/Filecoder.HydraCrypt.C also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.6033
Cynet Malicious (score: 100)
Cylance Unsafe
Zillya Trojan.RegRun.Win32.1
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Trojan:Win32/RegRun.65a58295
K7GW Trojan ( 0052c8a31 )
K7AntiVirus Trojan ( 0052c8a31 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.HydraCrypt.C
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Malware.Emotet-7645224-0
Kaspersky Trojan.Win32.RegRun.zpg
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
Tencent Win32.Trojan.Regrun.Taoq
Sophos Mal/Generic-S
Comodo Malware@#18twhch3wgy4z
BitDefenderTheta Gen:NN.ZexaF.34684.ny0@ae9BYVii
VIPRE Trojan-Dropper.Win32.Resdro.b (v) (not malicious)
McAfee-GW-Edition BehavesLike.Win32.Drixed.dc
FireEye Generic.mg.cd64c71f886efc38
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Snocry.by
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1120989
Kingsoft Win32.Troj.Regrun.z.(kcloud)
Microsoft Trojan:Win32/Predator!ml
AegisLab Trojan.Win32.RegRun.4!c
Acronis suspicious
McAfee BackDoor-EXZ
MAX malware (ai score=99)
VBA32 BScope.Trojan.Bumat
Malwarebytes Ransom.FileLocker
Panda Trj/CI.A
Rising Trojan.Filecoder!8.68 (CLOUD)
Ikarus Trojan-Ransom.HydraCrypt
Fortinet W32/Filecoder.FV!tr.ransom
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Win32/Filecoder.HydraCrypt.C?

  • 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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