TROJ_BANLOAD.FBH

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

Arrival Details

This Trojan 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 Trojan drops the following copies of itself into the affected system:

• %Application Data%\01U79N~1\sral6h.exe

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

It creates the following folders:

• %Application Data%\Tmp
• %Application Data%\01U79NB5DE2G2T2

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
ICompXpSp = "%Application Data%\01U79N~1\Cap.exe"

Other System Modifications

This Trojan deletes the following files:

• %Application Data%\Tmp\arqx12.ini
• %Application Data%\01U79N~1\sral6h.exe

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

It adds the following registry keys:

HKEY_CURRENT_USER\SOFTWARE\Microsoft\
Windows\IComplemento

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\IComplemento
ICompXpSp = "0.1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\IComplemento
instalado = "TRUE"

Dropping Routine

This Trojan drops the following files:

• %Application Data%\01U79N~1\awcrbotp.zip
• %Application Data%\01U79N~1\Cap.exe
• %Application Data%\01U79N~1\libmysql41.dll
• %Application Data%\01U79N~1\mssc.exe
• %Application Data%\01U79N~1\myspa.exe

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)

Other Details

This Trojan connects to the following possibly malicious URL:

• http://{BLOCKED}hp33.com//myx.zip

This report is generated via an automated analysis system.