Ransom:Win32/HydraCrypt

What is Ransom:Win32/HydraCrypt infection?

In this short article you will locate concerning the definition of Ransom:Win32/HydraCrypt as well as its adverse effect on your computer system. Such ransomware are a type of malware that is specified by on-line scams to require paying the ransom by a sufferer.

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In the majority of the cases, Ransom:Win32/HydraCrypt virus will certainly instruct its sufferers to initiate funds move for the objective of counteracting the modifications that the Trojan infection has introduced to the target’s gadget.

Ransom:Win32/HydraCrypt Summary

These adjustments can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a copy of itself;
  • Appends a known CryptoShield ransomware file extension to files that have been encrypted;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard disk drive — so the victim can no more use the information;
  • Preventing routine access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom:Win32/HydraCrypt

One of the most normal networks through which Ransom:Win32/HydraCrypt Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of customer winding up on a resource that holds a malicious software program;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s computer or protect against the tool from operating in a correct way – while also placing a ransom note that mentions the requirement for the targets to effect the repayment for the purpose of decrypting the records or bring back the documents system back to the preliminary condition. In many instances, the ransom note will come up when the customer restarts the COMPUTER after the system has currently been harmed.

Ransom:Win32/HydraCrypt distribution networks.

In various edges of the globe, Ransom:Win32/HydraCrypt expands by leaps as well as bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom money quantity might differ depending on specific local (regional) setups. The ransom money notes and tricks of obtaining the ransom money quantity might vary depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the sufferer’s device. The alert after that requires the user to pay the ransom money.

    Faulty declarations concerning unlawful web content.

    In nations where software application piracy is much less prominent, this approach is not as effective for the cyber frauds. Conversely, the Ransom:Win32/HydraCrypt popup alert might incorrectly declare to be originating from a law enforcement establishment as well as will certainly report having located youngster pornography or other prohibited information on the tool.

    Ransom:Win32/HydraCrypt popup alert might incorrectly assert to be acquiring from a law enforcement establishment and also will report having located child pornography or various other unlawful data on the tool. The alert will likewise contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: AE3EAC8A
md5: d05c1af21114a1889fd305aaa7a9b184
name: D05C1AF21114A1889FD305AAA7A9B184.mlw
sha1: 4b9f23095ba6c8948db6eeab793673871cca080e
sha256: 8ec335ad7ef17ce40bcaf3738b5206cd95540014ad1b7a9ee50dd82252eb57bf
sha512: adbb522a584338af569ca38b1d9773f7a6407181d765d21f05e7924f167b368856da76c3a84182fccafb62ba39446a76fa497cfdf88f2d5b63af84d3d9dfb0d8
ssdeep: 1536:ZcNBhb7r9sAMZg9P0+KU5Dzhy5Ux5NYR62iMwLS4lILGr6pxDlT:ZcXsAGhU5DB5Cbi3S4iLG2DDB
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017
InternalName: test1
FileVersion: 11,3 0, 10, 11
CompanyName: Smart Screen Corporation(C)
ProductVersion: 11,3 0, 10, 11
FileDescription: ScreenSmarts
OriginalFilename: ScreenSmarts
Translation: 0x0014 0x04e2

Ransom:Win32/HydraCrypt also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0056e6531 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader23.52420
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Hydracrypt.A5
ALYac Trojan.Ransom.CryptoShield
Cylance Unsafe
Zillya Trojan.Scatter.Win32.119
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 0056e6531 )
Cybereason malicious.21114a
Cyren W32/S-cf1736c7!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.FNVC
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.HydraCrypt.8
NANO-Antivirus Trojan.Win32.Sysn.elhvpt
MicroWorld-eScan Gen:Variant.Ransom.HydraCrypt.8
Tencent Malware.Win32.Gencirc.114b0888
Ad-Aware Gen:Variant.Ransom.HydraCrypt.8
Comodo Malware@#n3halelqby1e
BitDefenderTheta Gen:NN.ZexaF.34628.gu0@a0IMkSci
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPAURA.AUSYK
McAfee-GW-Edition BehavesLike.Win32.Emotet.ch
FireEye Generic.mg.d05c1af21114a188
Emsisoft Gen:Variant.Ransom.HydraCrypt.8 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.asdes
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1124648
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/HydraCrypt
Arcabit Trojan.Ransom.HydraCrypt.8
AegisLab Trojan.Win32.Zbot.tnYI
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Ransom.HydraCrypt.8
TACHYON Ransom/W32.CryptoShield.102400
AhnLab-V3 Win-Trojan/CryptoShield.Gen
McAfee Trojan-FLDE!D05C1AF21114
MAX malware (ai score=100)
VBA32 BScope.Trojan.Downloader
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPAURA.AUSYK
Rising Ransom.Shieldcrypt!8.E458 (KTSE)
Ikarus Trojan.Win32.Krypt
Fortinet W32/Kryptik.FNYO!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HgIASOUA

How to remove Ransom:Win32/HydraCrypt ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Ransom:Win32/HydraCrypt files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:Win32/HydraCrypt you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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