Name :	Trojan-PSW:W32/OnLineGames.JCT
Category:	Malware
Type:	Trojan-PSW
Platform:	W32
Date of Discovery:	November 30, 2007

The file detected as Trojan-PSW.Win32.OnLineGames.JCT drops another trojan that is detected as Trojan-Downloader.Win32.Agent.BLM.

On execution, files detected as Trojan-PSW.Win32.OnLineGames.jct will modify the access rights for the file named %windir%\system32\drivers\pcihdd.sys. It then deletes pcihdd.sys.

It drops a file called 1010.inc that is detected as
Trojan-Downloader.Win32.Agent.blm.

Note: %windir% typically refers to the C:\Windows folder.

The file 1010.inc will drop a new file using the name pcihdd.sys that is detected as Trojan-Downloader.Win32.Agent.blm. It drops the file to the windows system folder and creates the following registry entry to start as a service:


OnlineGames.JCT may also attempt to load files from the following URLs:


The sites were offline during our investigations.

The file pcihdd.sys will attempt to download and parse a file from this URL:


At the time of investigation, the said file contains a link to another malware that is detected as Worm.Win32.Agent.y.