Threat Database Ransomware SodinokibiREvil.A Ransomware

SodinokibiREvil.A Ransomware

By CagedTech in Ransomware

The detection of SodinokibiREvil.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 system, and it's essential to take prompt action to mitigate its effects. In this report, we will provide an overview of the threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is SodinokibiREvil.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 SodinokibiREvil.A Ransomware detection suggests that your system has been infected with a variant of ransomware that can cause significant damage to your files and system. It's crucial to note that paying the ransom does not guarantee that you will receive the decryption key or that your files will be restored.

How SodinokibiREvil.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 malware scans the system for files to encrypt, using algorithms to lock them and make them inaccessible to the user. The malware then displays a ransom note, demanding payment in exchange for the decryption key. The SodinokibiREvil.A Ransomware may use various methods to spread, including phishing emails, drive-by downloads, or exploited vulnerabilities in software.

Symptoms of Infection

The symptoms of a ransomware infection can vary, but common signs include: files being encrypted and inaccessible, ransom notes or demands displayed on the screen, and system performance issues. You may also notice that your files have been renamed or have a new extension added to them. In some cases, the malware may also disable system restore points or delete shadow copies to prevent recovery.

How to Remove SodinokibiREvil.A Ransomware

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and remove any detected threats.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  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 with your anti-malware tool to ensure that the malware has been completely removed.

It's essential to note that removing the malware does not guarantee that your files will be restored. You may need to restore your files from backups or use file recovery software to attempt to recover your data.

Conclusion

The detection of SodinokibiREvil.A Ransomware is a serious security threat that requires immediate attention. By understanding how the malware operates, recognizing the symptoms of infection, and following the steps to remove it, you can help mitigate the damage and prevent further infection. It's crucial to take proactive measures to protect your system and data, including regularly backing up your files, using reputable anti-malware software, and being cautious when opening emails or downloading attachments from unknown sources.

Analysis Report

General information

Family Name: Sodinokibi\REvil.A Ransomware
Signature status: No Signature

Known Samples

MD5: a8d17a90d053ecac1082c094b381aa54
SHA1: 455a8ca7cbd3659bee1539665234e69fcc3c5bc4
SHA256: AC659ED79AAC7C38C6E249AD9C92FEAAFB77DBCD35AB1CCBB47691FE96030516
File Size: 169.98 KB, 169984 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 resources
  • File doesn't have security information
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • dll
  • HighEntropy
  • x86

Block Information

Total Blocks: 256
Potentially Malicious Blocks: 189
Whitelisted Blocks: 67
Unknown Blocks: 0

Visual Map

0 x 0 0 x 0 0 x 0 x x x x x x 0 x x x x x x x x x x x x x x x x x x 0 0 0 x x x x x x 0 x x x x x x x x x x x x x x x x x x x x x 0 x 1 0 x 0 0 0 x x 0 1 0 x x 1 1 x x x x x x x x x x x x x 1 x 0 0 1 x 0 x x x x x x x x 0 x 1 x x x x x x x x x x x x x x x x x x x x x x 0 0 0 x 0 0 0 0 0 0 0 x x x x x x x x x x 0 x x 0 x x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x x 0 0 0 0 0 x 0 0 0 x x 0 0 0 0 x x 0 x x x x x x 0 x x x x x x x 0 x x 0 0 x 0 x x 0 x x x 0 x 0 x 0 0 x x x x x x x x x x x 1 1
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Sodinokibi\REvil.A

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtQueryAttributesFile
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  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\455a8ca7cbd3659bee1539665234e69fcc3c5bc4_0000169984.,LiQMAxHB

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