Categories: Ransom

Ransom.HydraCrypt.21 (B) removal instruction

The Ransom.HydraCrypt.21 (B) 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.HydraCrypt.21 (B) virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation
  • A scripting utility was executed
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to execute a powershell command with suspicious parameter/s
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Ransom.HydraCrypt.21 (B)?


File Info:

crc32: B1E129AAmd5: cb51cd81ea7a30bddccef86387c86896name: CB51CD81EA7A30BDDCCEF86387C86896.mlwsha1: 8c8e41f7fa0ec18233aec47fbf62b378b0aba794sha256: 3bb2a31e65b9e564080afffff015fd7aa90debf01e1aacb172425b8b7a5dd778sha512: 3e1c68db936a7f85341bb6c87e61ad4abaee72eda26c907771ed2d950e20110aac14e4499e4c4cb4a14911e34fae00e759ee4c1902a1d6a4f2e2b067314a50d8ssdeep: 12288:S/5XoFkYN01hK1bumJnirwSogTBtAyhKuD/:kGfNWhK15nirjTBphXtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.HydraCrypt.21 (B) also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.Swrort.1
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.HydraCrypt.21
Cylance Unsafe
CrowdStrike win/malicious_confidence_80% (D)
K7GW Riskware ( 0040eff71 )
Cybereason malicious.1ea7a3
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Buzus.xvgy
BitDefender Gen:Variant.Ransom.HydraCrypt.21
NANO-Antivirus Trojan.Win32.Swrort.dyyzhz
MicroWorld-eScan Gen:Variant.Ransom.HydraCrypt.21
Tencent Malware.Win32.Gencirc.114beffe
Ad-Aware Gen:Variant.Ransom.HydraCrypt.21
Sophos Mal/Inject-CEE
BitDefenderTheta Gen:NN.ZexaF.34170.AuW@aW!nomgi
VIPRE Trojan.Win32.TeslaCrypt.a (v)
McAfee-GW-Edition BehavesLike.Win32.Generic.gh
FireEye Generic.mg.cb51cd81ea7a30bd
Emsisoft Gen:Variant.Ransom.HydraCrypt.21 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Buzus.blg
Avira TR/Swrort.ugtzn
Antiy-AVL Trojan/Generic.ASMalwS.15B3696
Microsoft Trojan:Win32/Meterpreter.O
ZoneAlarm Trojan.Win32.Buzus.xvgy
GData Gen:Variant.Ransom.HydraCrypt.21
McAfee Artemis!CB51CD81EA7A
MAX malware (ai score=81)
Panda Trj/CI.A
Rising Trojan.Generic@ML.98 (RDML:IHg0ZUoa2p29HJjWWNCQMQ)
Yandex Trojan.Agent!5JDx7ackBHc
Ikarus Trojan.SuspectCRC
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Buzus.CEE!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Ransom.HydraCrypt.21 (B)?

  • 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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