WORM_IRCBOT.JSB
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Worm
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This worm drops copies of itself into all the removable drives connected to an affected system. It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
TECHNICAL DETAILS
Installation
This worm drops the following files:
- %System Root%\DATA\SYSTEM\Desktop.ini
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It drops the following copies of itself into the affected system:
- %System Root%\DATA\SYSTEM\Xp.exe
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It injects itself into the following processes as part of its memory residency routine:
- EXPLORER.EXE
Autostart Technique
This worm creates the following registry entries to enable automatic execution of dropped component at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Active Setup\Installed Components\{67KLN5J0-4OPM-00WE-AAX5-74KC2A323342}
StubPath = "%System Root%\DATA\SYSTEM\Xp.exe"
Propagation
This worm drops copies of itself into all the removable drives connected to an affected system.
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.