Threat Database Ransomware Filecoder.DAI Ransomware

Filecoder.DAI Ransomware

By CagedTech in Ransomware

Threat Scorecard

Threat Level: 100 % (High)
Infected Computers: 114
First Seen: March 27, 2022
Last Seen: April 17, 2026
OS(es) Affected: Windows

The detection of Filecoder.DAI Ransomware on your system indicates a serious security threat that requires immediate attention. Ransomware is a type of malware designed to encrypt and hold hostage the files on a victim's computer, demanding payment in exchange for the decryption key. In this report, we will provide an overview of the Filecoder.DAI Ransomware threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is Filecoder.DAI Ransomware?

Filecoder.DAI Ransomware is a malicious software that uses encryption to deny access to a victim's files. The name itself does not directly imply a specific malware family, but its behavior is characteristic of ransomware threats. Once infected, the malware begins to scan the system for target files, which are then encrypted using complex algorithms. The attackers behind the malware demand a ransom, typically in cryptocurrency, in exchange for the decryption key needed to restore access to the encrypted files.

How Filecoder.DAI Ransomware Operates

The operation of Filecoder.DAI Ransomware involves several stages, starting from the initial infection. The malware can spread through various means, including phishing emails, exploited vulnerabilities in software, infected software downloads, and infected external devices. Once inside the system, it starts encrypting files, often appending a specific extension to the encrypted files. The attackers then display a ransom note, explaining the situation and providing instructions on how to pay the ransom. It's crucial to understand that paying the ransom does not guarantee the decryption of files and only funds further malicious activities.

Symptoms of Infection

Symptoms of a Filecoder.DAI Ransomware infection can vary but typically include the inability to access files, files having been renamed with a new extension, and the presence of a ransom note. The system may also exhibit slower performance due to the encryption process. In some cases, the malware might also attempt to spread to other connected devices or networks, posing a significant risk to data integrity and security.

How to Remove Filecoder.DAI Ransomware

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access. This will make it easier to download and install removal tools.
  2. Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version to effectively detect and remove the malware.
  3. Uninstall any suspicious programs that may have been installed without your knowledge. Be cautious and only remove programs you are certain are malicious or unnecessary.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings. This can help remove any malicious extensions or settings that the malware might have altered.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

Conclusion

Removing Filecoder.DAI Ransomware requires careful steps to ensure the malware is completely eradicated from your system. It's essential to act quickly to minimize damage and prevent further encryption of files. Remember, prevention is key; keeping your operating system, software, and security tools updated, being cautious with emails and downloads, and regularly backing up your data can significantly reduce the risk of falling victim to ransomware and other cyber threats. If you're not comfortable with the removal process, consider seeking help from a professional to ensure your system is thoroughly cleaned and secured.

Analysis Report

General information

Family Name: Filecoder.DAI Ransomware
Signature status: No Signature

Known Samples

MD5: ea9a058bd735213295690659213957b2
SHA1: 45933238017a15b0d84c5b70b64575e18190f12a
File Size: 1.18 MB, 1182720 bytes
MD5: 3f8cc8ab6ac9b61725986cab19bbb196
SHA1: 5edbc38d14974ba449e8c604d2644123a06de1bc
SHA256: A6D10A82A82BDE7461C7C343CFB4AB47C7EF39D35367422468D74507CD85FB37
File Size: 1.18 MB, 1182208 bytes
MD5: 0589b8ddc375ba7ecf19c0865c6be79f
SHA1: 7886385104c333d7aff025d03e9e4865165d619a
SHA256: D128657D0183E755B539558A07B69EC440533896C9E6BED7CAFC0EC322989F62
File Size: 1.18 MB, 1182208 bytes
MD5: 6172f26c00f859da868105cecec2afb0
SHA1: e91220790a93311ec925943a540781caac4cc976
SHA256: 8C0778ACBCADC6350CDE4A5E96B784C7EA959416E25DAE29A5C67905F7F8487A
File Size: 1.18 MB, 1182208 bytes
MD5: 4fe30d637e55a20eb07ec5bcb8732586
SHA1: 5f38c786dd44308d386c25f8ca3af704576798d7
SHA256: 436FF14B53640BE788B9E61AEAFED16B22236975F4C8829C068DE2BAF846D530
File Size: 1.18 MB, 1182208 bytes
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MD5: 140269880e7763f7b348cc2e96c389aa
SHA1: 57c2fe07ec8b07f61fe42188f782087c0cfc87b4
SHA256: 1A7FDE6E459066CA8730F2BA1969F50179B9E89D3F780FCD69BB2C2B3315F440
File Size: 1.18 MB, 1184768 bytes
MD5: 9d820d26394e580e2cb99af2cb77aa1e
SHA1: d59829cb48f2fd971ed43f517dda244a1dc4e4c1
SHA256: AD9C0409F622AD56FBAFFF5FC851975DA6501DDE9B768BF7C5C263407B55B058
File Size: 1.18 MB, 1182208 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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
  • 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)

File Traits

  • HighEntropy
  • No Version Info
  • x86

Block Information

Total Blocks: 1,135
Potentially Malicious Blocks: 133
Whitelisted Blocks: 975
Unknown Blocks: 27

Visual Map

x x 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 x x x ? x x x 0 x x x 0 x ? x x x x x x x x ? 0 x x x x 0 0 x ? ? x x x 0 x x ? 0 x ? x x 0 0 0 x x ? ? ? x x x x 0 ? ? x x x ? ? ? x x x x x 0 x x 0 x x ? x 0 x x ? x ? x ? ? x ? x ? ? 0 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 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 2 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 2 2 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 1 1 0 0 2 2 0 1 1 1 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Filecoder.DAI

Files Modified

File Attributes
c:\programdata\{0224d08f-c952-6d0d-7dcb-72284abd03aa}\cdqoowgr.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\programdata\{0bee537a-aa75-c07a-a143-d490b6e97535}\qicvbujx.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\programdata\{49d631fa-a5e0-6a31-22cd-1a0600f84ecc}\ypzbzczc.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\programdata\{9ef0189a-c35c-db8d-6223-40d1232cab51}\txhvpbhe.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\programdata\{d2143aba-5baa-8c85-a143-d490b6e97535}\vqmizlgq.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\programdata\{dc28b2de-6a40-86b9-6223-40d1232cab51}\razyycgm.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\users\user\appdata\local\temp\default.tmp Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\run::{d2143aba-5baa-8c85-a143-d490b6e97535} "C:\ProgramData\{D2143ABA-5BAA-8C85-A143-D490B6E97535}\vqmizlgq.exe" /V- RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\run::{0bee537a-aa75-c07a-a143-d490b6e97535} "C:\ProgramData\{0BEE537A-AA75-C07A-A143-D490B6E97535}\qicvbujx.exe" /V- RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\run::{0224d08f-c952-6d0d-7dcb-72284abd03aa} "C:\ProgramData\{0224D08F-C952-6D0D-7DCB-72284ABD03AA}\cdqoowgr.exe" /V- RegNtPreCreateKey

Windows API Usage

Category API
Encryption Used
  • CryptAcquireContext
Other Suspicious
  • AdjustTokenPrivileges
User Data Access
  • GetComputerName
  • GetUserName
Network Winsock2
  • WSAStartup
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess

Shell Command Execution

C:\ProgramData\{49D631FA-A5E0-6A31-22CD-1A0600F84ECC}\ypzbzczc.exe (NULL)
C:\ProgramData\{D2143ABA-5BAA-8C85-A143-D490B6E97535}\vqmizlgq.exe (NULL)
C:\ProgramData\{DC28B2DE-6A40-86B9-6223-40D1232CAB51}\razyycgm.exe (NULL)
C:\ProgramData\{9EF0189A-C35C-DB8D-6223-40D1232CAB51}\txhvpbhe.exe (NULL)
C:\ProgramData\{0BEE537A-AA75-C07A-A143-D490B6E97535}\qicvbujx.exe (NULL)
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C:\ProgramData\{0224D08F-C952-6D0D-7DCB-72284ABD03AA}\cdqoowgr.exe (NULL)

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