Virus:W32/Induc.A

Threat description

Details

Category: Malware
Type: Virus
Platform: W32

Summary

A malicious program that secretly integrates itself into program or data files. It spreads by integrating itself into more files each time the host program is run.



Removal

Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

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You may also refer to the Knowledge Base on the F-Secure Community site for more information.

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Technical Details

Virus:W32/Induc.A is a malware that targets Delphi program in the system. It displaces Delphi's original installation folder with %Delphi_Installation_Folder%\Lib\SysConst.pas, and adds malicious code here. Whenever a Delphi program is compiled, the malware's code will be executed to ensure that Delphi remains infected.

Installation process/actions
  • The malware searches for Delphi installation folder by checking for registry HKLM\Software\Borland\Delphi.
  • Once found, it copies %Delphi_Installation_Folder%\Source Rtl\Sys\SysConst.pas to %Delphi_Installation_Folder%\Lib\SysConst.pas.Â
  • It then adds malicious codes to %Delphi_Installation_Folder%\Lib\SysConst.pas, and one of the Delphi library file lib\SysConst.dcu will be renamed to lib\SysConst.bak.
  • The malware compiles the infected SysConst.pas to make a new SysConst.dcu. Therefore, from this point on, the Virus:W32/Induc.A code will be inserted whenever a Delphi program is compiled using the newÂSysConst.dcu.
  • Once done, the malware deletes %Delphi_Installation_Folder%\Lib\SysConst.pas.
Notes
  • The malware does not do anything else if no Delphi is installed in the infected system.
  • The malware has no other threats except self replicating




Description Created: 2010-03-16 03:43:09.0

Description Last Modified: 2010-05-27 11:53:40.0


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