BKDR_SIMBOT.AL

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

It deletes the initially executed copy of itself.

Arrival Details

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This backdoor drops the following files:

• %User Temp%\.000
• %User Temp%\ldwc.bat
• %User Temp%\ldwc.exe
• {malware path}\.txt

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)

Dropping Routine

This backdoor executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

Other Details

This backdoor connects to the following possibly malicious URL:

• http://{BLOCKED}.133.145/waypz.php?id={numbers}

It deletes the initially executed copy of itself