Kenilfe is a malicious AutoCAD program that propagates via removable drives. It also attempts to download Visual Basic Scripts from remote servers, if certain conditions are met.
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.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.
During installation, the malware creates the following registry entries:
It then creates copies of itself in the following locations:
Where%SHXN% is the same as the SHXN value found in the registry entry (above).
It also creates the following files:
Where%TMN% is also the same as the TMN value found in the registry entry.
It enables the Windows Scripting Host by creating the following registry entry:
Then deletes the registry key:
It also deletes the following files:
Once installed, Kenilfe downloads and executes Visual Basic Scripts based on the following conditons:
Example: if the IP address of updatebd.8800.org is 188.8.131.52, both Visual Basic Scripts will be downloaded and executed.
These conditions are specified in the CXBB and GXBZ registry, respectively.
The malware enumerates all folders in all removable drives. If it finds the file acad.fas, it replaces the file with a copy of
Alternatively, if the folder contains a drawing (.dwg) file, it will create the file acad.fas (which is really a copy of isomianyi.shx).
It then creates a file named pagefile in the same drive location, to mark that it is done infected the drive.
During the enumeration process, the malware also renames the following files to append a "_bak" in their filenames:
Description Created: 2009-07-08 11:59:43.0
Description Last Modified: 2015-01-19 09:50