WORM_IRCBOT.TES
Worm:Win32/Hamweq.A (Microsoft), Worm.Win32.AutoRun.egk (Kaspersky)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm arrives via removable drives. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
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
13,824 bytes
EXE
22 Aug 2009
Arrival Details
This worm arrives via removable drives.
It 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 worm drops the following copies of itself into the affected system:
- %System Root%\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\spoolsv.exe
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It drops the following files:
- %System Root%\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\Desktop.ini
- {removable drive}\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\Desktop.ini
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It creates the following folders:
- %System Root%\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
Propagation
This worm creates the following folders in all removable drives:
- %System Root%\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It drops the following copy(ies) of itself in all removable drives:
- %System Root%\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\spoolsv.exe
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
Other Details
This worm connects to the following possibly malicious URL:
- {BLOCKED}abot.com
- {BLOCKED}4.{BLOCKED}7.248.112