Home Malware Programs Worms W32.Waledac.D

W32.Waledac.D

Posted: April 4, 2012

Threat Metric

Ranking: 4,575
Threat Level: 1/10
Infected PCs: 8,975
First Seen: April 4, 2012
Last Seen: October 17, 2023
OS(es) Affected: Windows

W32.Waledac.D is a dangerous worm that proliferates by sending emails that include links that lead to a malicious file, which is usually a copy of itself. W32.Waledac.D also opens a back door on the infected computer. When executed, W32.Waledac.D may create the certain files. W32.Waledac.D will create the specific registry entry so that it runs automatically each time you start Windows. W32.Waledac.D will also create other registry entries and a registry subkey. W32.Waledac.D opens a back door on TCP port 80 and UDP port 53 and waits further instructional commands from a remote attacker, which may involve sending email, downloading and executing files and stealing information from the affected PC. Get rid of W32.Waledac.D immediately after detection.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%Temp%\[HEXADECIMAL VALUE].dmp File name: %Temp%\[HEXADECIMAL VALUE].dmp
Mime Type: unknown/dmp
Group: Malware file
%Temp%\sdtInfo.dat File name: %Temp%\sdtInfo.dat
File type: Data file
Mime Type: unknown/dat
Group: Malware file
%System%\wpcap.dll File name: %System%\wpcap.dll
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
%SystemDrive%\Documents and Settings\Default User\Application Data\Bitcoin\wallet.dat File name: %SystemDrive%\Documents and Settings\Default User\Application Data\Bitcoin\wallet.dat
File type: Data file
Mime Type: unknown/dat
Group: Malware file
%System%\drivers\npf.sys File name: %System%\drivers\npf.sys
File type: System file
Mime Type: unknown/sys
Group: Malware file
%System%\Packet.dll File name: %System%\Packet.dll
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
%Windir%\Temp\_ex-08.exe File name: %Windir%\Temp\_ex-08.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
%Windir%\Temp\_ex-68.exe File name: %Windir%\Temp\_ex-68.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
%Windir%\Temp\temp68.exe File name: %Windir%\Temp\temp68.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
%UserProfile%\Local Settings\Application Data\Bitcoin\wallet.dat File name: %UserProfile%\Local Settings\Application Data\Bitcoin\wallet.dat
File type: Data file
Mime Type: unknown/dat
Group: Malware file
%UserProfile%\start1.exe File name: %UserProfile%\start1.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
%UserProfile%\[FOUR TO SEVEN RANDOM CHARACTERS].exe File name: %UserProfile%\[FOUR TO SEVEN RANDOM CHARACTERS].exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
%UserProfile%\Application Data\Bitcoin\wallet.dat File name: %UserProfile%\Application Data\Bitcoin\wallet.dat
File type: Data file
Mime Type: unknown/dat
Group: Malware file

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\{Value}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"intelagent" = "%Windir%\Temp\temp68.exe"HKEY_CURRENT_USER\Software\Intel\"DATA3" = "[HEXADECIMAL VALUE]"HKEY_CURRENT_USER\Software\Intel\"DATAID" = "[HEXADECIMAL VALUE]"HKEY_CURRENT_USER\Software\Intel\"DATA" = "[HEXADECIMAL VALUE]"HKEY_CURRENT_USER\Software\Intel\"DATA2" = "[HEXADECIMAL VALUE]"HKEY..\..\..\..{Subkeys}HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NPF

Additional Information

The following directories were created:
%localappdata%\YixSpeedup%programfiles%\YixSpeedUp
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