Threat Database Ransomware BlueKey.A Ransomware

BlueKey.A Ransomware

By CagedTech in Ransomware

Threat Scorecard

Threat Level: 100 % (High)
Infected Computers: 93
First Seen: July 28, 2022
Last Seen: December 6, 2025
OS(es) Affected: Windows

The detection of BlueKey.A Ransomware on your system indicates a serious security threat that requires immediate attention. Ransomware is a type of malware that can cause significant damage to your files and data, and it is essential to take prompt action to mitigate its effects. In this report, we will provide an overview of the BlueKey.A Ransomware threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is BlueKey.A Ransomware?

Ransomware is a type of malware that encrypts files on a victim's system and demands a ransom in exchange for the decryption key. The BlueKey.A Ransomware detection suggests that your system has been infected with a ransomware variant that can cause significant damage to your files and data. Ransomware attacks can be devastating, resulting in loss of critical data, financial losses, and disruption of business operations.

How BlueKey.A Ransomware Operates

Ransomware typically operates by exploiting vulnerabilities in software or using social engineering tactics to trick users into installing the malware. Once installed, the ransomware scans the system for files to encrypt, using algorithms such as AES or RSA to lock the files. The ransomware then displays a ransom note, demanding payment in exchange for the decryption key. The BlueKey.A Ransomware likely uses similar tactics to infect systems and demand ransom from victims.

Symptoms of Infection

Symptoms of a ransomware infection can vary, but common indicators include files being encrypted with unusual extensions, ransom notes or demands displayed on the screen, and system performance issues. You may also notice that your files are no longer accessible, or that you are unable to open certain applications. If you suspect that your system has been infected with BlueKey.A Ransomware, it is essential to take immediate action to prevent further damage.

How to Remove BlueKey.A Ransomware

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove the BlueKey.A Ransomware and any associated malware.
  3. Uninstall any suspicious programs or applications that may be related to the ransomware infection.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and perform another full scan to ensure that the BlueKey.A Ransomware has been completely removed.

Conclusion

The detection of BlueKey.A Ransomware on your system is a serious security threat that requires immediate attention. By understanding how ransomware operates and taking prompt action to remove the malware, you can help prevent further damage to your files and data. It is essential to remain vigilant and take proactive measures to protect your system from future ransomware attacks, including keeping your software up-to-date, using strong antivirus software, and being cautious when opening email attachments or clicking on links from unknown sources.

Analysis Report

General information

Family Name: BlueKey.A Ransomware
Signature status: No Signature

Known Samples

MD5: 27aebf4ee5167d821b48bac81f8e940e
SHA1: 3d4aef23a11ebeeacf5b67f9848ad625a73eadd9
SHA256: EF65173013420C53CF6EFAAE5F8DB23EC8E03027BC41AB45A296B088F053525F
File Size: 455.17 KB, 455168 bytes
MD5: b6bb56e9b1ff3ab43c8c81be120306a8
SHA1: 39eb41b6282486d89849c4a5b316bdc8825dd293
SHA256: 539A24366F88B925B7064841029832D3A0702D63674C385EABD180ACD98251B7
File Size: 399.87 KB, 399872 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 0.0.0.0
File Version 0.0.0.0
Internal Name svchost.exe
Original Filename svchost.exe
Product Version 0.0.0.0

File Traits

  • .NET
  • RijndaelManaged
  • Run
  • x86

Block Information

Total Blocks: 35
Potentially Malicious Blocks: 29
Whitelisted Blocks: 5
Unknown Blocks: 1

Visual Map

x x x x x 0 0 x x x x x x x 0 x 0 x x x x x x x x x x x ? x x x 0 x x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • BlueKey.A
  • BlueKey.B
  • BlueKey.D

Files Modified

File Attributes
c:\users\user\appdata\roaming\svchost.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
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  • ntdll.dll!NtDelayExecution
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetWriteWatch
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySymbolicLinkObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResetWriteWatch
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserName
  • GetUserObjectInformation
Other Suspicious
  • AdjustTokenPrivileges
Anti Debug
  • IsDebuggerPresent

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